#VU102031 Use-after-free in Linux kernel - CVE-2024-56652

Vulnerability identifier: #VU102031

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-2024-56652

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 reg_sr_fini() and xe_reg_sr_add() functions in drivers/gpu/drm/xe/xe_reg_sr.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12, 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5

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External links
https://git.kernel.org/stable/c/b0193a31a0ca5a0f9e60bb4a86537d46b98111b8
https://git.kernel.org/stable/c/d7b028656c29b22fcde1c6ee1df5b28fbba987b5
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.6
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13

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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.