CVE-2021-20226

Name
CVE-2021-20226
Description
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.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1873476
CONFIRM https://security.netapp.com/advisory/ntap-20210401-0001/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* linux_kernel == None == -

Vulnerable and fixed packages

Source package Branch Version Maintainer Status