SB2025090468 - Out-of-bounds read in Linux kernel hfs
Published: September 4, 2025
Security Bulletin ID
SB2025090468
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-2025-38715)
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 is_bnode_offset_valid(), hfs_bnode_read(), hfs_bnode_write(), hfs_bnode_clear(), hfs_bnode_copy() and hfs_bnode_move() functions in fs/hfs/bnode.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/384a66b89f9540a9a8cb0f48807697dfabaece4c
- https://git.kernel.org/stable/c/67ecc81f6492275c9c54280532f558483c99c90e
- https://git.kernel.org/stable/c/a1a60e79502279f996e55052f50cc14919020475
- https://git.kernel.org/stable/c/a431930c9bac518bf99d6b1da526a7f37ddee8d8
- https://git.kernel.org/stable/c/e7d2dc2421e821e4045775e6dc226378328de6f6
- https://git.kernel.org/stable/c/eec522fd0d28106b14a59ab2d658605febe4a3bb
- https://git.kernel.org/stable/c/efc095b35b23297e419c2ab4fc1ed1a8f0781a29
- https://git.kernel.org/stable/c/fc7f732984ec91f30be3e574e0644066d07f2b78
- https://git.kernel.org/stable/c/fe2891a9c43ab87d1a210d61e6438ca6936e2f62