Stack-based buffer overflow in Linux kernel kernel cpu

1) Stack-based buffer overflow

EUVDB-ID: #VU91302

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52482

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to stack overflow within the VULNBL_AMD() function in arch/x86/kernel/cpu/common.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/f090a8b4d2e3ec6f318d6fdab243a2edc5a8cc37
http://git.kernel.org/stable/c/6ce2f297a7168274547d0b5aea6c7c16268b8a96
http://git.kernel.org/stable/c/cf43b304b6952b549d58feabc342807b334f03d4
http://git.kernel.org/stable/c/a5ef7d68cea1344cf524f04981c2b3f80bedbb0d
http://git.kernel.org/stable/c/e7ea043bc3f19473561c08565047b3f1671bf35d

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.