Information disclosure in Linux kernel ethernet aeroflex driver

1) Information disclosure

EUVDB-ID: #VU99105

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-2022-48958

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 greth_init_rings() function in drivers/net/ethernet/aeroflex/greth.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/223654e2e2c8d05347cd8e300f8d1ec6023103dd
https://git.kernel.org/stable/c/cb1e293f858e5e1152b8791047ed4bdaaf392189
https://git.kernel.org/stable/c/bfaa8f6c5b84b295dd73b0138b57c5555ca12b1c
https://git.kernel.org/stable/c/99669d94ce145389f1d6f197e6e18ed50d43fb76
https://git.kernel.org/stable/c/87277bdf2c370ab2d07cfe77dfa9b37f82bbe1e5
https://git.kernel.org/stable/c/c7adcbd0fd3fde1b19150c3e955fb4a30c5bd9b7
https://git.kernel.org/stable/c/dd62867a6383f78f75f07039394aac25924a3307
https://git.kernel.org/stable/c/063a932b64db3317ec020c94466fe52923a15f60

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.