CVE-2021-20226

A 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.
References
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:46

Type Values Removed Values Added
References () https://bugzilla.redhat.com/show_bug.cgi?id=1873476 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=1873476 - Issue Tracking, Third Party Advisory
References () https://security.netapp.com/advisory/ntap-20210401-0001/ - Third Party Advisory () https://security.netapp.com/advisory/ntap-20210401-0001/ - Third Party Advisory

28 Jul 2023, 17:12

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2021-02-23 17:15

Updated : 2024-11-21 05:46


NVD link : CVE-2021-20226

Mitre link : CVE-2021-20226

CVE.ORG link : CVE-2021-20226


JSON object : View

Products Affected

netapp

  • cloud_backup

linux

  • linux_kernel
CWE
CWE-416

Use After Free