Ubuntu update for linux-xilinx-zynqmp

1) Input validation error

EUVDB-ID: #VU85682

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-46838

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows an unprivileged guest to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of network packets at the backend. An unprivileged guest can send zero-length packets to the OS kernel and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU88378

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52340

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error when processing very large ICMPv6 packets. A remote attacker can send a flood of IPv6 ICMP6 PTB messages, cause the high lock contention and increased CPU usage, leading to a denial of service.

Successful vulnerability exploitation requires a attacker to be on the local network or have a high bandwidth connection.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper Check for Unusual or Exceptional Conditions

EUVDB-ID: #VU87166

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52429

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling within the dm_table_create() function in drivers/md/dm-table.c. A local user can pass specially crafted data to the kernel and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Out-of-bounds read

EUVDB-ID: #VU87595

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-23851

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the copy_params() function in drivers/md/dm-ioctl.c. A remote attacker can trigger an out-of-bounds read and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Resource management error

EUVDB-ID: #VU86553

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-0607

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the nft_byteorder_eval() function in the Netfilter subsystem. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Out-of-bounds write

EUVDB-ID: #VU88895

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52464

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the thunderx_ocx_com_threaded_isr() function in drivers/edac/thunderx_edac.c. A local user can trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) NULL pointer dereference

EUVDB-ID: #VU87741

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52448

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in gfs2_rgrp_dump() function. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Use-after-free

EUVDB-ID: #VU89242

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52457

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the omap8250_remove() function in drivers/tty/serial/8250/8250_omap.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) NULL pointer dereference

EUVDB-ID: #VU89245

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52443

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the unpack_profile() function in security/apparmor/policy_unpack.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Use-after-free

EUVDB-ID: #VU87573

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52439

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the uio_open() function in drivers/uio/uio.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Buffer overflow

EUVDB-ID: #VU91314

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52612

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the scomp_acomp_comp_decomp() function in crypto/scompress.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Input validation error

EUVDB-ID: #VU89267

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26633

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error in NEXTHDR_FRAGMENT handling within the ip6_tnl_parse_tlv_enc_lim() function in net/ipv6/ip6_tunnel.c. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Out-of-bounds read

EUVDB-ID: #VU87682

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26597

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c when parsing the netlink attributes. A local user can trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) NULL pointer dereference

EUVDB-ID: #VU87742

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52449

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in mtd. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Reachable assertion

EUVDB-ID: #VU90918

Risk: Low

CVSSv3.1: 6.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52444

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to reachable assertion within the f2fs_rename() function in fs/f2fs/namei.c. A local user can execute arbitrary code.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Race condition

EUVDB-ID: #VU91484

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52609

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition within the binder_update_page_range() function in drivers/android/binder_alloc.c. A local user can escalate privileges on the system.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) Use-after-free

EUVDB-ID: #VU89235

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52469

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the kv_parse_power_table() function in drivers/gpu/drm/amd/amdgpu/kv_dpm.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Use-after-free

EUVDB-ID: #VU87745

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52445

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in pvrusb2. A local user can execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Out-of-bounds read

EUVDB-ID: #VU88891

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52451

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the dlpar_memory_remove_by_index() function in arch/powerpc/platforms/pseries/hotplug-memory.c. A local user can trigger an out-of-bounds read and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) NULL pointer dereference

EUVDB-ID: #VU92074

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52470

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the radeon_crtc_init() function in drivers/gpu/drm/radeon/radeon_display.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) NULL pointer dereference

EUVDB-ID: #VU89244

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52454

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the nvmet_tcp_build_pdu_iovec() function in drivers/nvme/target/tcp.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Information disclosure

EUVDB-ID: #VU87592

Risk: Low

CVSSv3.1: 2.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52436

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to the __f2fs_setxattr() function in fs/f2fs/xattr.c, does not empty by default the unused space in the xattr list. A local user can gain access to potentially sensitive information.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Use-after-free

EUVDB-ID: #VU87593

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52438

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the binder_alloc_free_page() function in drivers/android/binder_alloc.c. A local user can trigger a race condition and escalate privileges on the system.

Mitigation

Update the affected package linux-xilinx-zynqmp to the latest version.

Vulnerable software versions

Ubuntu: 20.04

linux-image-xilinx-zynqmp (Ubuntu package): before 5.4.0.1041.41

linux-image-5.4.0-1041-xilinx-zynqmp (Ubuntu package): before 5.4.0-1041.45

External links

http://ubuntu.com/security/notices/USN-6726-3

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.