Vulnerability in Linux

CVE-2026-31662

In the Linux kernel, the following vulnerability has been resolved: tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG The GRP_ACK_MSG handler in tipc_group_proto_rcv() currently decrements bc_ackers on every inbound group ACK, even…

EPSS: 0.001 (22.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Linux — versions 2f487712b89376fce267223bbb0db93d393d4b09, 4.15, 0

References

Frequently asked questions

What is CVE-2026-31662?
CVE-2026-31662 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-04-24.
How severe is CVE-2026-31662?
High severity. CVSS v3 base score is 7.5 out of 10.