CVE-2026-90271
Unknown
Description
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.
SeverityUnknown
CVSS—
Exploit probability10. percentile0.2%
Product
Linux
PublishedSep 17, 2026
First seenSep 17, 2026
How to fix
Update
- Linux Linuxa29044c9c83513c7463de2adb84c169685562ad2, fc996c39689bb15aa80e5366809434f7258fb703 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | f04046f2577a5c76167333ca99d3903ee5331ba0 ≤ v < a29044c9c83513c7463de2adb84c169685562ad2, f04046f2577a5c76167333ca99d3903ee5331ba0 ≤ v < fc996c39689bb15aa80e5366809434f7258fb703, 6.19 | a29044c9c83513c7463de2adb84c169685562ad2, fc996c39689bb15aa80e5366809434f7258fb703 |
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