Ubuntu update for linux-lowlatency



Risk Medium
Patch available YES
Number of vulnerabilities 9
CVE-ID CVE-2023-22995
CVE-2023-4134
CVE-2023-46343
CVE-2023-46862
CVE-2023-51779
CVE-2023-51782
CVE-2023-6121
CVE-2024-0340
CVE-2024-0607
CWE-ID CWE-20
CWE-416
CWE-476
CWE-362
CWE-125
CWE-665
CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

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

linux-image-lowlatency-64k (Ubuntu package)
Operating systems & Components / Operating system package or component

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

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

linux-image-5.15.0-1048-raspi (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-5.15.0-100-lowlatency (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 9 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU73767

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-22995

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the dwc3_qcom_acpi_register_core() function in drivers/usb/dwc3/dwc3-qcom.c. A local user can execute arbitrary code on the system with elevated privileges.

Mitigation

Update the affected package linux-lowlatency to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-raspi (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency-64k (Ubuntu package): before 5.15.0.100.96

linux-image-raspi-nolpae (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency (Ubuntu package): before 5.15.0.100.96

linux-image-5.15.0-1048-raspi (Ubuntu package): before 5.15.0-1048.51

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package): before 5.15.0-100.110~20.04.1

linux-image-5.15.0-100-lowlatency (Ubuntu package): before 5.15.0-100.110~20.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6686-2


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) Use-after-free

EUVDB-ID: #VU80798

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

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-lowlatency to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-raspi (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency-64k (Ubuntu package): before 5.15.0.100.96

linux-image-raspi-nolpae (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency (Ubuntu package): before 5.15.0.100.96

linux-image-5.15.0-1048-raspi (Ubuntu package): before 5.15.0-1048.51

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package): before 5.15.0-100.110~20.04.1

linux-image-5.15.0-100-lowlatency (Ubuntu package): before 5.15.0-100.110~20.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6686-2


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) NULL pointer dereference

EUVDB-ID: #VU86243

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-46343

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 send_acknowledge() function in net/nfc/nci/spi.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-lowlatency to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-raspi (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency-64k (Ubuntu package): before 5.15.0.100.96

linux-image-raspi-nolpae (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency (Ubuntu package): before 5.15.0.100.96

linux-image-5.15.0-1048-raspi (Ubuntu package): before 5.15.0-1048.51

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package): before 5.15.0-100.110~20.04.1

linux-image-5.15.0-100-lowlatency (Ubuntu package): before 5.15.0-100.110~20.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6686-2


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: #VU83903

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-46862

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 io_uring_show_fdinfo() function in io_uring/fdinfo.c. A local user can trigger a race with SQ thread exit and perform a denial of service (DoS) attack.

Mitigation

Update the affected package linux-lowlatency to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-raspi (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency-64k (Ubuntu package): before 5.15.0.100.96

linux-image-raspi-nolpae (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency (Ubuntu package): before 5.15.0.100.96

linux-image-5.15.0-1048-raspi (Ubuntu package): before 5.15.0-1048.51

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package): before 5.15.0-100.110~20.04.1

linux-image-5.15.0-100-lowlatency (Ubuntu package): before 5.15.0-100.110~20.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6686-2


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) Use-after-free

EUVDB-ID: #VU85023

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-51779

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 when handling bt_sock_ioctl in the Bluetooth subsystem. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

Update the affected package linux-lowlatency to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-raspi (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency-64k (Ubuntu package): before 5.15.0.100.96

linux-image-raspi-nolpae (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency (Ubuntu package): before 5.15.0.100.96

linux-image-5.15.0-1048-raspi (Ubuntu package): before 5.15.0-1048.51

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package): before 5.15.0-100.110~20.04.1

linux-image-5.15.0-100-lowlatency (Ubuntu package): before 5.15.0-100.110~20.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6686-2


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) Race condition

EUVDB-ID: #VU85029

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-51782

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 in the Amateur Radio X.25 PLP (Rose) support. A local user can exploit the race and escalate privileges on the system.

Mitigation

Update the affected package linux-lowlatency to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-raspi (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency-64k (Ubuntu package): before 5.15.0.100.96

linux-image-raspi-nolpae (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency (Ubuntu package): before 5.15.0.100.96

linux-image-5.15.0-1048-raspi (Ubuntu package): before 5.15.0-1048.51

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package): before 5.15.0-100.110~20.04.1

linux-image-5.15.0-100-lowlatency (Ubuntu package): before 5.15.0-100.110~20.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6686-2


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) Out-of-bounds read

EUVDB-ID: #VU84788

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-6121

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 the NVMe-oF/TCP subsystem in the Linux kernel. A remote attacker can send specially crafted data to the system, trigger an out-of-bounds read error and read contents of memory.

Mitigation

Update the affected package linux-lowlatency to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-raspi (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency-64k (Ubuntu package): before 5.15.0.100.96

linux-image-raspi-nolpae (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency (Ubuntu package): before 5.15.0.100.96

linux-image-5.15.0-1048-raspi (Ubuntu package): before 5.15.0-1048.51

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package): before 5.15.0-100.110~20.04.1

linux-image-5.15.0-100-lowlatency (Ubuntu package): before 5.15.0-100.110~20.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6686-2


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.

8) Improper Initialization

EUVDB-ID: #VU86579

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-0340

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

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

The vulnerability exists due to improper initialization within the vhost_new_msg() function in drivers/vhost/vhost.c in the Linux kernel vhost driver. A local user can run a specially crafted application to gain access to sensitive kernel information.

Mitigation

Update the affected package linux-lowlatency to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-raspi (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency-64k (Ubuntu package): before 5.15.0.100.96

linux-image-raspi-nolpae (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency (Ubuntu package): before 5.15.0.100.96

linux-image-5.15.0-1048-raspi (Ubuntu package): before 5.15.0-1048.51

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package): before 5.15.0-100.110~20.04.1

linux-image-5.15.0-100-lowlatency (Ubuntu package): before 5.15.0-100.110~20.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6686-2


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) Resource management error

EUVDB-ID: #VU86553

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

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-lowlatency to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-raspi (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency-64k (Ubuntu package): before 5.15.0.100.96

linux-image-raspi-nolpae (Ubuntu package): before 5.15.0.1048.46

linux-image-lowlatency (Ubuntu package): before 5.15.0.100.96

linux-image-5.15.0-1048-raspi (Ubuntu package): before 5.15.0-1048.51

linux-image-5.15.0-100-lowlatency-64k (Ubuntu package): before 5.15.0-100.110~20.04.1

linux-image-5.15.0-100-lowlatency (Ubuntu package): before 5.15.0-100.110~20.04.1

CPE2.3 External links

http://ubuntu.com/security/notices/USN-6686-2


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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