CVE-2023-53346
Published: September 18, 2025Last modified: September 18, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: kernel/fail_function: fix memory leak with using debugfs_lookup() When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once.
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 | Not affected (6.1.33-r0) |
| 25 LTS | linux-lts | Not affected (6.6.89-r0) | |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/29d53c4c5a6f6d2b93aaac95b65cb4c907faf2ff
- https://git.kernel.org/stable/c/2bb3669f576559db273efe49e0e69f82450efbca
- https://git.kernel.org/stable/c/94f68f3e059c478e240f65fcb64746fe371295df
- https://git.kernel.org/stable/c/bb99db06b8b6ce9351633fc61bec9919d8f6f52b
- https://git.kernel.org/stable/c/dd9981a11d74ff2eb253bb5c459876f8bd3c6c36
- https://git.kernel.org/stable/c/f6d3aee1c66358471275df9dddd480010f061b0e