SB2025120874 - Out-of-bounds read in Linux kernel f2fs
Published: December 8, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025120874
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-2023-53763)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the do_read_inode() function in fs/f2fs/inode.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0d545a8e77cbd1fbad311b18952e38e0f7672ab4
- https://git.kernel.org/stable/c/958ccbbf1ce716d77c7cfa79ace50a421c1eed73
- https://git.kernel.org/stable/c/bbb3cd66301ef752fae2922452660f228d69bcaf
- https://git.kernel.org/stable/c/ea35767edc78327c686e21fe1231b668f11be0db
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.16