CVE-2025-38489
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJul 28, 2025
First seenJul 28, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel6.6.100, 6.9, 6.12.40, 6.15.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.6.26 ≤ v < 6.6.100, 6.8.5 ≤ v < 6.9, 6.9.1 ≤ v < 6.12.40, 6.13 ≤ v < 6.15.8, 6.9, 6.16 | 6.6.100, 6.9, 6.12.40, 6.15.8 |
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