#VU91478 Race condition in Linux kernel - CVE-2024-26832

Vulnerability identifier: #VU91478

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-26832

CWE-ID: CWE-362

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 escalate privileges on the system.

The vulnerability exists due to a race condition within the zswap_writeback_entry() function in mm/zswap.c. A local user can escalate privileges on the system.

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/14f1992430ef9e647b02aa8ca12c5bcb9a1dffea
https://git.kernel.org/stable/c/6156277d1b26cb3fdb6fcbf0686ab78268571644
https://git.kernel.org/stable/c/e2891c763aa2cff74dd6b5e978411ccf0cf94abe
https://git.kernel.org/stable/c/e3b63e966cac0bf78aaa1efede1827a252815a1d

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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.