What is CVE-2026-31630?

CVE-2026-31630 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-24.

How severe is CVE-2026-31630?

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

Vulnerability in Linux

CVE-2026-31630

In the Linux kernel, the following vulnerability has been resolved: rxrpc: proc: size address buffers for %pISpc output The AF_RXRPC procfs helpers format local and remote socket addresses into fixed 50-byte stack buffers with "%pISpc". …

EPSS: 0.000 (3.5th 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 4.9, 5.15.209, 7.0
Linux Linux_kernel — versions 4.9, 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
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-31630?: CVE-2026-31630 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-04-24.
How severe is CVE-2026-31630?: High severity. CVSS v3 base score is 7.8 out of 10.