CVE-2025-38663
Published: August 23, 2025Last modified: August 23, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid file types when reading inodes To prevent inodes with invalid file types from tripping through the vfs and causing malfunctions or assertion failures, add a missing sanity check when reading an inode from a block device. If the file type is not valid, treat it as a filesystem error.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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 (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/1a5c204e175a78556b8ef1f7683249fa5197295a
- https://git.kernel.org/stable/c/2cf0c4130bf340be3935d097a3dcbfefdcf65815
- https://git.kernel.org/stable/c/42cd46b3a8b1497b9258dc7ac445dbd6beb73e2f
- https://git.kernel.org/stable/c/4aead50caf67e01020c8be1945c3201e8a972a27
- https://git.kernel.org/stable/c/79663a15a1c70ca84f86f2dbba07b423fe7d5d4f
- https://git.kernel.org/stable/c/98872a934ea6a95985fb6a3655a78a5f0c114e82
- https://git.kernel.org/stable/c/bf585ee198bba4ff25b0d80a0891df4656cb0d08
- https://git.kernel.org/stable/c/dd298c0b889acd3ecaf48b6e840c9ab91882e342
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html