Integer overflow in Linux kernel - CVE-2026-46006
Published: May 28, 2026
Vulnerability identifier: #VU132483
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-46006
CWE-ID: CWE-190
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 integer overflow in nouveau_gem_pushbuf_reloc_apply() when validating relocation bounds checks. A local user can provide a crafted relocation offset to cause a denial of service.
How to mitigate CVE-2026-46006
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/2fc87d37be1b730a149b035f9375fdb8cc5333a5
- https://git.kernel.org/stable/c/332884f5eb79dd60a7162b079d09d39208567a31
- https://git.kernel.org/stable/c/d749a9a0ee4014681487e7ae549901aa8c176637
- https://git.kernel.org/stable/c/e441d5c23ec644c8d27593db3b8928e8933512a9
- https://git.kernel.org/stable/c/fa297e919d1680c38ab268ff952b1698dac987f6