CVE-2025-23155
Published: May 3, 2025Last modified: February 25, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix accessing freed irq affinity_hint The cpumask should not be a local variable, since its pointer is saved to irq_desc and may be accessed from procfs. To fix it, use the persistent mask cpumask_of(cpu#).
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 (6.1.164-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/2fbf67ddb8a0d0efc00d2df496a9843ec318d48b
- https://git.kernel.org/stable/c/442312c2a90d60c7a5197246583fa91d9e579985
- https://git.kernel.org/stable/c/960dab23f6d405740c537d095f90a4ee9ddd9285
- https://git.kernel.org/stable/c/9e51a6a44e2c4de780a26e8fe110d708e806a8cd
- https://git.kernel.org/stable/c/c60d101a226f18e9a8f01bb4c6ca2b47dfcb15ef
- https://git.kernel.org/stable/c/e148266e104fce396ad624079a6812ac3a9982ef