Improper locking in Linux kernel mm

1) Improper locking

EUVDB-ID: #VU90773

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-2024-26987

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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

The vulnerability exists due to improper locking within the __page_handle_poison() function in mm/memory-failure.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/5ef7ba2799a3b5ed292b8f6407376e2c25ef002e
http://git.kernel.org/stable/c/882e1180c83f5b75bae03d0ccc31ccedfe5159de
http://git.kernel.org/stable/c/49955b24002dc16a0ae2e83a57a2a6c863a1845c
http://git.kernel.org/stable/c/1983184c22dd84a4d95a71e5c6775c2638557dc7

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.