#VU102915 Use-after-free in Linux kernel - CVE-2024-57798

Vulnerability identifier: #VU102915

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-2024-57798

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 drm_dp_mst_up_req_work() and drm_dp_mst_handle_up_req() functions in drivers/gpu/drm/display/drm_dp_mst_topology.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/9735d40f5fde9970aa46e828ecc85c32571d58a2
https://git.kernel.org/stable/c/ce55818b2d3a999f886af91679589e4644ff1dc8
https://git.kernel.org/stable/c/e54b00086f7473dbda1a7d6fc47720ced157c6a8
https://git.kernel.org/stable/c/f61b2e5e7821f868d6afc22382a66a30ee780ba0

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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.