CVE-2021-28951

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Summary

CVECVE-2021-28951
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-20 20:15:00 UTC
Updated2023-11-07 03:32:00 UTC
DescriptionAn 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 And Classification

Problem Types: CWE-667

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Linux Linux Kernel All All All All
Hardware Netapp A250 - All All All
Operating System Netapp A250 Firmware - All All All
Hardware Netapp Aff 500f - All All All
Operating System Netapp Aff 500f Firmware - All All All
Application Netapp Cloud Backup - All All All
Hardware Netapp Fas 500f - All All All
Operating System Netapp Fas 500f Firmware - All All All
Hardware Netapp Solidfire Baseboard Management Controller - All All All
Operating System Netapp Solidfire Baseboard Management Controller Firmware - All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 34 Update: kernel-5.11.9-300.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 32 Update: kernel-5.11.10-100.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: kernel-5.11.9-300.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
kernel/git/stable/linux.git - Linux kernel stable tree MISC git.kernel.org
[SECURITY] Fedora 33 Update: kernel-5.11.9-200.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 33 Update: kernel-5.11.9-200.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
March 2021 Linux Kernel 5.11.8 Vulnerabilities in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
[SECURITY] Fedora 32 Update: kernel-5.11.10-100.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 180045 Debian Security Update for linux (CVE-2021-28951)
  • 198365 Ubuntu Security Notification for Linux kernel (OEM) vulnerabilities (USN-4948-1)
  • 281407 Fedora Security Update for kernel (FEDORA-2021-9503fffad9)
  • 281424 Fedora Security Update for kernel (FEDORA-2021-68b0dd2373)
  • 281425 Fedora Security Update for kernel (FEDORA-2021-e636ce53df)
  • 354884 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2023-030
  • 355565 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2023-023
  • 900100 CBL-Mariner Linux Security Update for kernel 5.10.52.1
  • 900305 CBL-Mariner Linux Security Update for kernel 5.10.57.1
  • 900320 CBL-Mariner Linux Security Update for kernel 5.10.60.1
  • 901738 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6539-1)
  • 903522 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3992)
  • 905866 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (3992-1)
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