CVE-2023-53044
Published: May 6, 2025Last modified: May 6, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: dm stats: check for and propagate alloc_percpu failure Check alloc_precpu()'s return value and return an error from dm_stats_init() if it fails. Update alloc_dev() to fail if dm_stats_init() does. Otherwise, a NULL pointer dereference will occur in dm_stats_cleanup() even if dm-stats isn't being actively used.
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/0d96bd507ed7e7d565b6d53ebd3874686f123b2e
- https://git.kernel.org/stable/c/2287d7b721471a3d58bcd829250336e3cdf1635e
- https://git.kernel.org/stable/c/443c9d522397511a4328dc2ec3c9c63c73049756
- https://git.kernel.org/stable/c/4a32a9a818a895671bd43e0c40351e60e4e9140b
- https://git.kernel.org/stable/c/5b66e36a3efd24041b7374432bfa4dec2ff01e95
- https://git.kernel.org/stable/c/a42180dd361584816bfe15c137b665699b994d90
- https://git.kernel.org/stable/c/c68f08cc745675a17894e1b4a5b5b9700ace6da4
- https://git.kernel.org/stable/c/d3aa3e060c4a80827eb801fc448debc9daa7c46b