SB20260917128 - Out-of-bounds read in Linux kernel f2fs
Published: September 17, 2026
Security Bulletin ID
SB20260917128
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) Out-of-bounds read (CVE-ID: CVE-2026-89838)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in F2FS recovery filename logging when logging a 255-byte recovery filename. A local user can cause recovery logging of a 255-byte filename to disclose sensitive information.
Remediation
Install update from vendor's website.