CVE-2025-38715
Published: September 6, 2025Last modified: September 6, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: hfs: fix slab-out-of-bounds in hfs_bnode_read() This patch introduces is_bnode_offset_valid() method that checks the requested offset value. Also, it introduces check_and_correct_requested_length() method that checks and correct the requested length (if it is necessary). These methods are used in hfs_bnode_read(), hfs_bnode_write(), hfs_bnode_clear(), hfs_bnode_copy(), and hfs_bnode_move() with the goal to prevent the access out of allocated memory and triggering the crash.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.1 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.151-r0) |
| 25 LTS | linux-lts | Fixed (6.12.44-r0) | |
| Stream | linux-lts | Fixed (6.12.43-r0) |
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
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html