SB2025102347 - Out-of-bounds read in Linux kernel jfs
Published: October 23, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025102347
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 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2022-50567)
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 dbMount() function in fs/jfs/jfs_dmap.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/0536f76a2bca83d1a3740517ba22cc93a44b3099
- https://git.kernel.org/stable/c/2c575c8905f7a8b32d5611b91856b69bac2a5bf1
- https://git.kernel.org/stable/c/3115313cf03113e87c87adee18ee49a20bbdb9ba
- https://git.kernel.org/stable/c/359616ce587e524107730504891afa4b1a8be58c
- https://git.kernel.org/stable/c/3e997e4ce8ae7ab89d72334120f6aee49c5bbdbd
- https://git.kernel.org/stable/c/67973caae78e21ee46a7281aaa8ca364eb9c444f
- https://git.kernel.org/stable/c/898f706695682b9954f280d95e49fa86ffa55d08
- https://git.kernel.org/stable/c/d3b486946a4e62c7ef6023f7d9c1d049051384ba
- https://git.kernel.org/stable/c/eea87acb6027be3dd4d3c57186bb22800d57fdda
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270