What is CVE-2026-31557?

CVE-2026-31557 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-04-24.

How severe is CVE-2026-31557?

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

Vulnerability in Linux

CVE-2026-31557

In the Linux kernel, the following vulnerability has been resolved: nvmet: move async event work off nvmet-wq For target nvmet_ctrl_free() flushes ctrl->async_event_work. If nvmet_ctrl_free() runs on nvmet-wq, the flush re-enters workque…

EPSS: 0.001 (18.8th 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 5.15.42, 6.19.11, 7.0

References

git.kernel.org/stable/c/49c7c50ee6325a084216e94395e067ecde8088fa
git.kernel.org/stable/c/ca111c9d8d6c9d5735878d933a1716c4be86c2d1
git.kernel.org/stable/c/25ceffc1dabec3b93f458b437aae26f4da293f87
git.kernel.org/stable/c/2922e3507f6d5caa7f1d07f145e186fc6f317a4e

Frequently asked questions

What is CVE-2026-31557?: CVE-2026-31557 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-04-24.
How severe is CVE-2026-31557?: High severity. CVSS v3 base score is 7.5 out of 10.