SB2026091728 - Access of Uninitialized Pointer in Linux kernel soc loongson
Published: September 17, 2026
Security Bulletin ID
SB2026091728
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Access of Uninitialized Pointer (CVE-ID: CVE-2026-89943)
CWE-ID: CWE-824 - Access of Uninitialized Pointer
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause undefined behavior.
The vulnerability exists due to access of an uninitialized pointer in loongson_card_parse_acpi() when processing the codec-dai-name ACPI property. A remote attacker can trigger processing of a missing or invalid codec-dai-name property to cause undefined behavior.
Remediation
Install update from vendor's website.