What is CVE-2026-31482?

CVE-2026-31482 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-04-22.

How severe is CVE-2026-31482?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-31482

In the Linux kernel, the following vulnerability has been resolved: s390/entry: Scrub r12 register on kernel entry Before commit f33f2d4c7c80 ("s390/bp: remove TIF_ISOLATE_BP"), all entry handlers loaded r12 with the current task pointer…

EPSS: 0.000 (3.3th 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 f33f2d4c7c80c641f6ca3dfe5e7dfe1f91543780, 6.4, 0
Linux Linux_kernel — versions 6.4, 7.0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-31482?: CVE-2026-31482 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-04-22.
How severe is CVE-2026-31482?: Medium severity. CVSS v3 base score is 5.5 out of 10.