What is CVE-2026-64111?

CVE-2026-64111 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-07-19.

How severe is CVE-2026-64111?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Linux

CVE-2026-64111

In the Linux kernel, the following vulnerability has been resolved: lsm: hold cred_guard_mutex for lsm_set_self_attr() Just as proc_pid_attr_write() already does before calling the LSM hook. This only matters for SELinux and AppArmor whi…

EPSS: 0.002 (7.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Linux — versions 6.18.34, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, 7.0.11

References

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

Frequently asked questions

What is CVE-2026-64111?: CVE-2026-64111 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-07-19.
How severe is CVE-2026-64111?: High severity. CVSS v3 base score is 7.1 out of 10.