Red Hat Security Advisory

RHSA-2021:5227

kernel security and bug fix update

Released 2021-12-21 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-348.7.1.el8_5
Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-348.7.1.el8_5, kernel-4.18.0-348.7.1.el8_5, kernel-abi-stablelists-4.18.0-348.7.1.el8_5 +20

TI-2021-03610 CVE-2021-20321

LOW 21

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS.

CVSS 3.1MEDIUM 4.7 Local Low privileges No interaction EPSS 0.00216 Published 2022-02-18 Partial fix CWE-362