Integer overflow in Linux kernel - CVE-2026-46237
Published: May 29, 2026
Vulnerability identifier: #VU132953
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2026-46237
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to integer overflow in the msg bound check in drm/amdgpu/vcn3 when processing crafted message bounds. A local user can trigger an overflow condition to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-46237
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
External References
- https://git.kernel.org/stable/c/016b64a0313ea5346cf526e30c8d3e66aca10175
- https://git.kernel.org/stable/c/1936310f68c54be961de38ac539cef9b543207cb
- https://git.kernel.org/stable/c/2e43b66fceacd6e982b94f2e3f8b34edd7463396
- https://git.kernel.org/stable/c/e6e9faba8100628990cccd13f0f044a648c303cf
- https://git.kernel.org/stable/c/e8124121b79ab5d32fa8fbbd101f7208eca9cd7d