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
Link | Resource |
---|---|
https://bugzilla.redhat.com/show_bug.cgi?id=1873476 | Issue Tracking Third Party Advisory |
https://security.netapp.com/advisory/ntap-20210401-0001/ | Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=1873476 | Issue Tracking Third Party Advisory |
https://security.netapp.com/advisory/ntap-20210401-0001/ | Third Party Advisory |
Configurations
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 | |
References | () 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:*:*:*:*:*:*:*:* |
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