#VU108238 Use-after-free in Linux kernel - CVE-2025-37763

Vulnerability identifier: #VU108238

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-2025-37763

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 nouveau_gem_object_del() function in drivers/gpu/drm/nouveau/nouveau_gem.c, within the nouveau_bo_del_ttm() function in drivers/gpu/drm/nouveau/nouveau_bo.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, 6.12.6, 6.12.7, 6.12.8, 6.12.9, 6.12.10, 6.12.11, 6.12.12, 6.12.13, 6.12.14, 6.12.15, 6.12.16, 6.12.17, 6.12.18, 6.12.19, 6.12.20, 6.12.21, 6.12.22, 6.12.23, 6.12.24

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External links
https://git.kernel.org/stable/c/4ba2abe154ef68f9612eee9d6fbfe53a1736b064
https://git.kernel.org/stable/c/b5a6f97a78e2fc008fd6503b7040cb7e1120b873
https://git.kernel.org/stable/c/c90b95e12eb88d23740e5ea2c43d71675d17ac8d
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.25

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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.