SB2026092504 - Out-of-bounds read in Linux kernel acpi acpica driver
Published: September 25, 2026
Security Bulletin ID
SB2026092504
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-2026-97445)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to read beyond the end of a buffer.
The vulnerability exists due to improper buffer validation in acpi_ut_walk_aml_resources() when processing malformed AML resource descriptors. A local user can provide a malformed AML resource descriptor whose length exceeds the remaining buffer size to read beyond the end of a buffer.
Remediation
Install update from vendor's website.