5.5
CVSSv3

CVE-2021-28951

Published: 20/03/2021 Updated: 07/11/2023
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 436
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Summary

An issue exists in fs/io_uring.c in the Linux kernel up to and including 5.11.8. It allows malicious users 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.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

linux linux kernel

fedoraproject fedora 32

fedoraproject fedora 33

fedoraproject fedora 34

netapp a250_firmware -

netapp aff_500f_firmware -

netapp fas_500f_firmware -

netapp cloud backup -

netapp solidfire_baseboard_management_controller_firmware -

Vendor Advisories

An issue was discovered in fs/io_uringc in the Linux kernel through 5118 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 ...
An issue was discovered in fs/io_uringc in the Linux kernel through 5118 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 (CVE-2021-28951) ...
An issue was discovered in fs/io_uringc in the Linux kernel through 5118 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 (CVE-2021-28951) A flaw was found in unrestricted eBPF usage by the ...
An issue was discovered in fs/io_uringc in the Linux kernel through 5118 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 ...