CVE-2025-38489

s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL again

Description

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.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/0c7b20f7785cfdd59403333612c90b458b12307c
https://git.kernel.org/stable/c/d5629d1af0600f8cc7c9245e8d832a66358ef889
https://git.kernel.org/stable/c/a4f9c7846b1ac428921ce9676b1b8c80ed60093c
https://git.kernel.org/stable/c/6a5abf8cf182f577c7ae6c62f14debc9754ec986

Frequently Asked Questions

What is the severity of CVE-2025-38489?: CVE-2025-38489 has not yet been assigned a CVSS score.
How to fix CVE-2025-38489?: To fix CVE-2025-38489, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-38489 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-38489 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-38489?: CVE-2025-38489 affects Linux Linux, Linux Linux.

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