What is CVE-2026-31682?

CVE-2026-31682 is a critical-severity vulnerability in Linux. CVSS score: 9.1/10. Published 2026-04-25.

How severe is CVE-2026-31682?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Linux

CVE-2026-31682

In the Linux kernel, the following vulnerability has been resolved: bridge: br_nd_send: linearize skb before parsing ND options br_nd_send() parses neighbour discovery options from ns->opt[] and assumes that these options are in the line…

EPSS: 0.001 (24.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Linux — versions ed842faeb2bd49256f00485402f3113205f91d30, 4.15, 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)
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-2026-31682?: CVE-2026-31682 is a critical-severity vulnerability in Linux. CVSS score: 9.1/10. Published 2026-04-25.
How severe is CVE-2026-31682?: Critical severity. CVSS v3 base score is 9.1 out of 10.