SB20260918213 - Out-of-bounds read in Linux kernel ath ath6kl driver
Published: September 18, 2026
Security Bulletin ID
SB20260918213
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-2026-92498)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 4.8 [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]
The vulnerability allows a remote attacker to read beyond the bounds of WMI event buffers.
The vulnerability exists due to an out-of-bounds read in ath6kl WMI event handlers when processing undersized WMI events. A remote attacker can provide a malformed WMI event to read beyond the bounds of event buffers.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/144fe0b0fa8f311ebe29ef16c8239bf6a24addc0
- https://git.kernel.org/stable/c/2f3635213ecf52ff943f01645f895cb39db8f0dc
- https://git.kernel.org/stable/c/41159d392c3adedc093a8d80521037b72350f606
- https://git.kernel.org/stable/c/a2de3fb4f83a525e95a86a683f0ff105b9b5785b
- https://git.kernel.org/stable/c/abda58f4529d7eebb6ef82e2d266dabc17507faa
- https://git.kernel.org/stable/c/d1d2ac5f5b1609a05c455d0aed12904b0985530d
- https://git.kernel.org/stable/c/ea2a77682f9f984bc9a45a00b7d1aa198503c2fe
- https://git.kernel.org/stable/c/f57314aade9d74d30f3360ec5ef85a83654748be