What is CVE-2026-31406?

CVE-2026-31406 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-06.

How severe is CVE-2026-31406?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-31406

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix work re-schedule after cancel in xfrm_nat_keepalive_net_fini() After cancel_delayed_work_sync() is called from xfrm_nat_keepalive_net_fini(), xfrm_state_fini()…

EPSS: 0.000 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions f531d13bdfe3f4f084aaa8acae2cb0f02295f5ae, 6.11, 0
Linux Linux_kernel — versions 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)

Frequently asked questions

What is CVE-2026-31406?: CVE-2026-31406 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-06.
How severe is CVE-2026-31406?: High severity. CVSS v3 base score is 7.8 out of 10.