CVE-2025-22017
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: devlink: fix xa_alloc_cyclic() error handling In case of returning 1 from xa_alloc_cyclic() (wrapping) ERR_PTR(1) will be returned, which will cause IS_ERR() to be false. Which can lead to dereference not allocated pointer (rel). Fix it by checking if err is lower than zero. This wasn't found in real usecase, only noticed. Credit to Pierre.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedApr 8, 2025
First seenApr 8, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel6.12.21, 6.13.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.7 ≤ v < 6.12.21, 6.13 ≤ v < 6.13.9, 6.14 | 6.12.21, 6.13.9 |
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