SB20260924132 - Integer overflow in Linux kernel acpi acpica driver



SB20260924132 - Integer overflow in Linux kernel acpi acpica driver

Published: September 24, 2026

Security Bulletin ID SB20260924132
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Integer overflow (CVE-ID: CVE-2026-97451)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a local user to cause memory corruption.

The vulnerability exists due to an integer overflow in acpi_ex_opcode_3A_1T_1R() when calculating the truncation length for a String or Buffer operand. A local user can trigger the vulnerable operation with values that cause Index + Length to overflow to cause memory corruption.


Remediation

Install update from vendor's website.