Memory leak in Linux kernel - CVE-2026-45976
Published: May 28, 2026
Vulnerability identifier: #VU132517
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-45976
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in amdgpu_ras_init() when handling an error from amdgpu_nbio_ras_sw_init(). A local user can trigger the vulnerable initialization path to cause a denial of service.
The issue occurs because an allocated con structure is not freed before the function returns an error.
How to mitigate CVE-2026-45976
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/2fef8c2ac67e7c1b0409d23653300b134c63e54c
- https://git.kernel.org/stable/c/3f43e7812b30d6b2e850218f9bb1dae60727fcef
- https://git.kernel.org/stable/c/c11cd77a18115d2cd3f4b6915c4a537b6042f950
- https://git.kernel.org/stable/c/ee41e5b63c8210525c936ee637a2c8d185ce873c
- https://git.kernel.org/stable/c/f8a5426652bdadd4a5cb48326d48abbdfebe8153