CVE-2026-90271
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
arm_mpam: Fix a NULL pointer dereference on unbinding after an error interrupt
If a user unbinds an MSC after mpam_disable() has been run in response to an error interrupt then a dereference of a NULL pointer occurs as mpam_disable() sets the drvdata to NULL. Add an early return to the driver remove callback to avoid this.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | f04046f2577a5c76167333ca99d3903ee5331ba0 < a29044c9c83513c7463de2adb84c169685562ad2 | affected |
| Linux | Linux | f04046f2577a5c76167333ca99d3903ee5331ba0 < fc996c39689bb15aa80e5366809434f7258fb703 | affected |
| Linux | Linux | 6.19 | affected |
| Linux | Linux | 0 < 6.19 | unaffected |
| Linux | Linux | 7.2.6 <= 7.2.* | unaffected |
| Linux | Linux | 7.3-rc1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/a29044c9c83513c7463de2adb84c169685562ad2
- https://git.kernel.org/stable/c/fc996c39689bb15aa80e5366809434f7258fb703
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