vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-28951): Linux kernel (OEM) vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | Mar 20, 2021 | May 12, 2021 | Aug 18, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Mar 20, 2021
Added
May 12, 2021
Modified
Aug 18, 2025
Description
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.
Solutions
ubuntu-upgrade-linux-image-5-10-0-1026-oemubuntu-upgrade-linux-image-oem-20-04b
References
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