SB2026052996 - Out-of-bounds read in Linux kernel amd amdgpu driver
Published: May 29, 2026
Security Bulletin ID
SB2026052996
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-46199)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to out-of-bounds read in the drm/amdgpu vcn4 decoder message parser when parsing a decoder message from a buffer object. A local user can provide a specially crafted decoder message to disclose sensitive information.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0a78f2bac1424deb7c9d5e09c6b8e849d8e8b648
- https://git.kernel.org/stable/c/3c817a60b09eaab926e475088e750936efcc95ae
- https://git.kernel.org/stable/c/63b51e8a9d54317d31cc3856c1e12407070d5fc2
- https://git.kernel.org/stable/c/7688143ca62edeecacb3ba0a2cea129dbd262a18
- https://git.kernel.org/stable/c/c72a8b4dc6d598e3831ef3abd9c6527dfbf4810e