CVE-2021-20226

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Summary

CVECVE-2021-20226
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-02-23 17:15:00 UTC
Updated2023-07-28 17:12:00 UTC
DescriptionA use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of validating the existence of an object prior to performing operations on the object by not incrementing the file reference counter while in use. The highest threat from this vulnerability is to data integrity, confidentiality and system availability.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel - All All All
Operating System Linux Linux Kernel - All All All
Application Netapp Cloud Backup - All All All

References

ReferenceSourceLinkTags
CVE-2021-20226 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
1873476 – (CVE-2021-20226) CVE-2021-20226 kernel: use-after-free in io_uring feature MISC bugzilla.redhat.com Issue Tracking, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 179446 Debian Security Update for linux (CVE-2021-20226)

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