#VU98870 Use-after-free in Linux kernel - CVE-2024-49924

Vulnerability identifier: #VU98870

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-2024-49924

CWE-ID: CWE-416

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 use-after-free error within the pxafb_remove() function in drivers/video/fbdev/pxafb.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
http://git.kernel.org/stable/c/e6897e299f57b103e999e62010b88e363b3eebae
http://git.kernel.org/stable/c/4cda484e584be34d55ee17436ebf7ad11922b97a
http://git.kernel.org/stable/c/3c0d416eb4bef705f699213cee94bf54b6acdacd
http://git.kernel.org/stable/c/fdda354f60a576d52dcf90351254714681df4370
http://git.kernel.org/stable/c/aaadc0cb05c999ccd8898a03298b7e5c31509b08
http://git.kernel.org/stable/c/a3a855764dbacbdb1cc51e15dc588f2d21c93e0e
http://git.kernel.org/stable/c/4a6921095eb04a900e0000da83d9475eb958e61e

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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.