What is CVE-2026-64122?

CVE-2026-64122 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-07-19.

How severe is CVE-2026-64122?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2026-64122

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free in mlx5e_tx_reporter_timeout_recover mlx5e_tx_reporter_timeout_recover() accesses sq->netdev after mlx5e_safe_reopen_channels() has torn do…

EPSS: 0.002 (7.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 4329514c61abefe4961541b128c549b017bab5ad, 83ac0304a2d77519dae1e54c9713cbe1aedf19c9, 63f9d5fb4d8040077df801ca3270e2f02d55e0d9

References

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

Frequently asked questions

What is CVE-2026-64122?: CVE-2026-64122 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-07-19.
How severe is CVE-2026-64122?: Critical severity. CVSS v3 base score is 9.8 out of 10.