What is CVE-2026-46274?

CVE-2026-46274 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-06-08.

How severe is CVE-2026-46274?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Linux

CVE-2026-46274

In the Linux kernel, the following vulnerability has been resolved: io-wq: check that the predecessor is hashed in io_wq_remove_pending() io_wq_remove_pending() needs to fix up wq->hash_tail[] if the cancelled work was the tail of its ha…

Vulnerability class: Use-After-Free

EPSS: 0.001 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 204361a77f4018627addd4a06877448f088ddfc0, 13f35a2c0fd5c6a4fcd8903542b053bcc914fcf5, 5.8.6
Linux Linux_kernel — versions 5.9, 7.1

Weakness classification (CWE)

CWE-416 — Use After Free

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

Frequently asked questions

What is CVE-2026-46274?: CVE-2026-46274 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2026-06-08.
How severe is CVE-2026-46274?: High severity. CVSS v3 base score is 7.8 out of 10.