Vulnerability identifier: #VU91479

Vulnerability risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26759

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 swapcache_prepare() function in mm/swapfile.c, within the do_swap_page() and folio_unlock() functions in mm/memory.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

---

External links
http://git.kernel.org/stable/c/2dedda77d4493f3e92e414b272bfa60f1f51ed95
http://git.kernel.org/stable/c/305152314df82b22cf9b181f3dc5fc411002079a
http://git.kernel.org/stable/c/d183a4631acfc7af955c02a02e739cec15f5234d
http://git.kernel.org/stable/c/13ddaf26be324a7f951891ecd9ccd04466d27458

---

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.