What is CVE-2026-45955?

CVE-2026-45955 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-05-27.

How severe is CVE-2026-45955?

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

Vulnerability in Linux

CVE-2026-45955

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: fix percpu_ref not resurrected on suspend timeout When llbitmap_suspend_timeout() times out waiting for percpu_ref to become zero, it returns -ETIMEDOUT…

EPSS: 0.000 (6.4th 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:N/I:H/A:H.

Affected products

Linux — versions 5ab829f1971dc99f2aac10846c378e67fc875abc, 6.18, 0

References

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

Frequently asked questions

What is CVE-2026-45955?: CVE-2026-45955 is a high-severity vulnerability in Linux. CVSS score: 7.1/10. Published 2026-05-27.
How severe is CVE-2026-45955?: High severity. CVSS v3 base score is 7.1 out of 10.