#VU99106 Information disclosure in Linux kernel - CVE-2022-48959

Vulnerability identifier: #VU99106

Vulnerability 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-2022-48959

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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

The vulnerability exists due to information disclosure within the sja1105_setup_devlink_regions() function in drivers/net/dsa/sja1105/sja1105_devlink.c. A local user can gain access to sensitive information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/4be43e46c3f945fc7dd9e23c73a7a66927a3b814
https://git.kernel.org/stable/c/f3b5dda26cd0535aac09ed09c5d83f19b979ec9f
https://git.kernel.org/stable/c/e5e59629654b8826f0167dae480d0e3fa0f8f038
https://git.kernel.org/stable/c/78a9ea43fc1a7c06a420b132d2d47cbf4344a5df

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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.