Ubuntu update for linux-oem-5.17



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-0459
CVE-2023-1073
CVE-2023-26606
CWE-ID CWE-1037
CWE-119
CWE-416
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

linux-image-5.17.0-1033-oem (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oem-22.04a (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oem-22.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU76222

Risk: Low

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

CVE-ID: CVE-2023-0459

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

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

The vulnerability exists due to improper implementation of speculative execution barriers in usercopy functions
in certain situations. A local user can gain access to sensitive information.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1033-oem (Ubuntu package): before 5.17.0-1033.34

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1033.31

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1033.31

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6174-1


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.

2) Buffer overflow

EUVDB-ID: #VU74123

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1073

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows an attacker to compromise the affected system.

The vulnerability exists due to a boundary error in the Linux kernel human interface device (HID) subsystem. An attacker with physical access to the system can insert in a specific way malicious USB device, trigger memory corruption and execute arbitrary code.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1033-oem (Ubuntu package): before 5.17.0-1033.34

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1033.31

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1033.31

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6174-1


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

3) Use-after-free

EUVDB-ID: #VU74156

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-2023-26606

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 ntfs_trim_fs() function in fs/ntfs3/bitmap.c in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1033-oem (Ubuntu package): before 5.17.0-1033.34

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1033.31

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1033.31

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6174-1


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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