CVE-2025-38489
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL again Commit 7ded842b356d ("s390/bpf: Fix bpf_plt pointer arithmetic") has accidentally removed the critical piece of commit c730fce7c70c ("s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL"), causing intermittent kernel panics in e.g. perf's on_switch() prog to reappear. Restore the fix and add a comment.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0c7b20f7785cfdd59403333612c90b458b12307c ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0c7b20f7785cfdd59403333612c90b458b12307cPatch
- https://git.kernel.org/stable/c/6a5abf8cf182f577c7ae6c62f14debc9754ec986Patch
- https://git.kernel.org/stable/c/a4f9c7846b1ac428921ce9676b1b8c80ed60093cPatch
- https://git.kernel.org/stable/c/d5629d1af0600f8cc7c9245e8d832a66358ef889Patch