SB20260928328 - NULL pointer dereference in Linux kernel erofs
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928328
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) NULL pointer dereference (CVE-ID: CVE-2026-97605)
CWE-ID: CWE-476 - NULL Pointer Dereference
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 improper handling of failed LZMA decoder allocations in the EROFS LZMA decoder pool resize path when resizing decoder pools. A local user can trigger a decoder-pool resize that encounters an allocation failure to cause a denial of service.
An existing LZMA mount is required.
Remediation
Install update from vendor's website.