CVE-2025-22017 - Linux kernel devlink XA-Alloc Cyclic Off-by-Error

CVE-2025-22017 - Linux kernel devlink XA-Alloc Cyclic Off-by-Error

https://cvefeed.io/rssfeed/latest.atom / Tue, 04/08/2025 - 14:34
CVE ID : CVE-2025-22017
Published : April 8, 2025, 9:15 a.m. | 2 hours, 57 minutes ago
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.
Severity: 0.0 | NA
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