An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (deadlock) because exit may be waiting to park a SQPOLL thread, but concurrently that SQPOLL thread is waiting for a signal to start, aka CID-3ebba796fa25.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-03-20T19:53:46

Updated: 2024-08-03T21:55:12.099Z

Reserved: 2021-03-20T00:00:00

Link: CVE-2021-28951

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-20T20:15:13.553

Modified: 2024-11-21T06:00:25.637

Link: CVE-2021-28951

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-03-04T00:00:00Z

Links: CVE-2021-28951 - Bugzilla