What is CVE-2026-53180?

CVE-2026-53180 is a high-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 7.5/10. Published 2026-06-25.

How severe is CVE-2026-53180?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Linux

CVE-2026-53180

In the Linux kernel, the following vulnerability has been resolved: timers/migration: Fix livelock in tmigr_handle_remote_up() tmigr_handle_remote_cpu() skips timer_expire_remote() when cpu == smp_processor_id(), assuming the local softi…

EPSS: 0.003 (26.6th 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 7ee988770326fca440472200c3eb58935fe712f6, 6.9, 0
Linux Linux_kernel — versions 7.1

Weakness classification (CWE)

CWE-667 — Improper Locking

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-53180?: CVE-2026-53180 is a high-severity vulnerability in Linux, classified under Improper Locking. CVSS score: 7.5/10. Published 2026-06-25.
How severe is CVE-2026-53180?: High severity. CVSS v3 base score is 7.5 out of 10.