CVE-2021-28951

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.

Risk Information

Base Score
5.5
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.054

Associated Vulnerability

VulnerabilityOS Platform
Linux kernel for OEM systems (USN-4948-1) linux-image-oem-20.04b_5.10.0.1026.27_amd64.debLinux
Linux kernel for OEM systems (USN-4948-1) linux-image-5.10.0-1026-oem_5.10.0-1026.27_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234