Ubuntu update for linux-starfive-6.2



Risk High
Patch available YES
Number of vulnerabilities 16
CVE-ID CVE-2023-25775
CVE-2023-31083
CVE-2023-31085
CVE-2023-3772
CVE-2023-38430
CVE-2023-38432
CVE-2023-3863
CVE-2023-3865
CVE-2023-3866
CVE-2023-3867
CVE-2023-4132
CVE-2023-4134
CVE-2023-44466
CVE-2023-45871
CVE-2023-5090
CVE-2023-5345
CWE-ID CWE-284
CWE-476
CWE-369
CWE-125
CWE-416
CWE-119
CWE-755
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Ubuntu
Operating systems & Components / Operating system

linux-image-starfive (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-6.2.0-1009-starfive (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 16 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU79371

Risk: Medium

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25775

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper access restrictions in the Intel Ethernet Controller RDMA driver for Linux. A remote non-authenticated attacker can bypass implemented security restrictions and gain access to sensitive information.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.

2) NULL pointer dereference

EUVDB-ID: #VU79496

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-2023-31083

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 hci_uart_tty_ioctl() function in drivers/bluetooth/hci_ldisc.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.

3) Division by zero

EUVDB-ID: #VU82660

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-2023-31085

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

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

The vulnerability exists due to a divide by zero error within the drivers/mtd/ubi/cdev.c driver. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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) NULL pointer dereference

EUVDB-ID: #VU80578

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3772

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 xfrm_update_ae_params() function in the IP framework for transforming packets (XFRM subsystem). A local user with CAP_NET_ADMIN privileges can perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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) Out-of-bounds read

EUVDB-ID: #VU79477

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38430

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in ksmbd when handling SMB request protocol ID. A remote attacker can send specially crafted packets to the system to trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.

6) Out-of-bounds read

EUVDB-ID: #VU79478

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38432

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in fs/smb/server/smb2misc.c in ksmbd. A remote attacker can send specially crafted packets to the system to trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.

7) Use-after-free

EUVDB-ID: #VU79479

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3863

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 nfc_llcp_find_local() function in net/nfc/llcp_core.c in NFC implementation in Linux kernel. A local user can execute arbitrary code with elevated privileges.


Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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) Out-of-bounds read

EUVDB-ID: #VU81661

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3865

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

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to potentially sensitive information or perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the ksmbd_smb2_check_message() function in fs/smb/server/smb2misc.c when parsing smb2_hdr structure. A remote user can send specially crafted packets to ksmbd, trigger an out-of-bounds read error and read contents of memory or perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

9) NULL pointer dereference

EUVDB-ID: #VU81662

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-2023-3866

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error within the void __handle_ksmbd_work() function in fs/smb/server/server.c when handling chained requests. A remote attacker can send specially crafted data to the ksmbd and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.

10) Out-of-bounds read

EUVDB-ID: #VU82661

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3867

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the KSMBD implementation in the Linux kernel. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.

11) Use-after-free

EUVDB-ID: #VU79712

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-2023-4132

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 siano smsusb module in the Linux kernel. A local user can trigger a use-after-free error and crash the kernel.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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) Use-after-free

EUVDB-ID: #VU80798

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-2023-4134

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 cyttsp4_watchdog_work() in cyttsp4_core driver. A local user can trigger memory corruption and crash the kernel.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.

13) Buffer overflow

EUVDB-ID: #VU81660

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-44466

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the ceph_decode_32() function in net/ceph/messenger_v2.c in the Ceph filesystem when handling TCP packets. A remote attacker can send specially crafted HELLO or AUTH frames to trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.

14) Buffer overflow

EUVDB-ID: #VU83381

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-45871

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the IGB driver in drivers/net/ethernet/intel/igb/igb_main.c when handling frames larger than the MTU. A remote attacker can send specially crafted traffic to the system, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.

15) Improper handling of exceptional conditions

EUVDB-ID: #VU83383

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-2023-5090

CWE-ID: CWE-755 - Improper Handling of 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 handling of errors within the svm_set_x2apic_msr_interception() function in KVM. A local user can send specially crafted input and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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) Use-after-free

EUVDB-ID: #VU81691

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-2023-5345

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 smb3_fs_context_parse_param() function in fs/smb/client component. A remote attacker can execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-starfive-6.2 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-starfive (Ubuntu package): before 6.2.0.1009.10~22.04.2

linux-image-6.2.0-1009-starfive (Ubuntu package): before 6.2.0-1009.10~22.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6520-1


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.



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