NULL pointer dereference in Linux
CVE-2025-22017
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.
EPSS: 0.002 (8.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions c137743bce02b18c1537d4681aa515f7b80bf0a8, 6.7, 0
- Linux Linux_kernel — versions 6.14
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-22017?
- CVE-2025-22017 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2025-04-08.
- How severe is CVE-2025-22017?
- Medium severity. CVSS v3 base score is 5.5 out of 10.