Information disclosure in Linux kernel dsa sja1105 driver

1) Information disclosure

EUVDB-ID: #VU99106

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 - Information exposure

Exploit availability: No

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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

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

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.