SB2026072084 - Out-of-bounds read in Linux kernel pci asihpi
Published: July 20, 2026
Security Bulletin ID
SB2026072084
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-64133)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to an out-of-bounds read in the find_control() function in the ALSA asihpi driver when reading cached control information with an out-of-range control index. A local user can provide a crafted control index to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/34d0d492a2812b9289af14bca3573a89275965b2
- https://git.kernel.org/stable/c/61c5017c64e2ac9e10b70b14b17a079dbc0a805f
- https://git.kernel.org/stable/c/7b6f8c8eb93f02a74b1de8e521c0952af10d1f43
- https://git.kernel.org/stable/c/7b7d6572145c1dab2dd9bfb550b188e5f0ff3c3f
- https://git.kernel.org/stable/c/7d107239935793995bdc6cf29bb99e180bde4c28
- https://git.kernel.org/stable/c/8778386e4387b28f2bf8425d7ffc667c6294457f
- https://git.kernel.org/stable/c/e060e21fe9cca1e5eafd8a1c597026577771e8d9
- https://git.kernel.org/stable/c/ffa29cea7bf9a4ef2ea8084967f142e0301ac670