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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.
| Reporter | Title | Published | Views | Family All 130 |
|---|---|---|---|---|
 | Amazon Linux 2 : kernel (ALASKERNEL-5.10-2023-030) | 18 Apr 202300:00 | – | nessus |
| Amazon Linux 2 : kernel (ALASKERNEL-5.10-2024-058) | 31 May 202400:00 | – | nessus |
| Amazon Linux 2 : kernel (ALASKERNEL-5.15-2023-023) | 6 Sep 202300:00 | – | nessus |
| Fedora 33 : kernel (2021-68b0dd2373) | 26 Mar 202100:00 | – | nessus |
| Fedora 32 : kernel (2021-9503fffad9) | 29 Mar 202100:00 | – | nessus |
| Photon OS 4.0: Linux PHSA-2021-4.0-0031 | 23 Jul 202400:00 | – | nessus |
| Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4948-1) | 12 May 202100:00 | – | nessus |
| Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414628) | 7 Oct 202500:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2021-28951 | 8 Aug 202500:00 | – | nessus |
 | Medium: kernel | 17 Apr 202300:00 | – | amazon |
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16 Dec 2021 08:00Current
8.8High risk
Vulners AI Score8.8
CVSS 24.9
CVSS 3.15.5
EPSS0.00279