What is CVE-2026-64024?

CVE-2026-64024 is a critical-severity vulnerability in Linux. CVSS score: 9.4/10. Published 2026-07-19.

How severe is CVE-2026-64024?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Vulnerability in Linux

CVE-2026-64024

In the Linux kernel, the following vulnerability has been resolved: tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction Blamed commit moved the TIME_WAIT-derived ISN from the skb control block to a per-CPU variable, assuming t…

EPSS: 0.002 (6.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.

Affected products

Linux — versions 41eecbd712b73f0d5dcf1152b9a1c27b1f238028, 6.10, 0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-64024?: CVE-2026-64024 is a critical-severity vulnerability in Linux. CVSS score: 9.4/10. Published 2026-07-19.
How severe is CVE-2026-64024?: Critical severity. CVSS v3 base score is 9.4 out of 10.