CVE - CVE-2021-20321

CVE-ID
CVE-2021-20321	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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. A local user could use this flaw to crash the system.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
DEBIAN:DSA-5096 URL:https://www.debian.org/security/2022/dsa-5096 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=2013242 URL:https://bugzilla.redhat.com/show_bug.cgi?id=2013242 MISC:https://lore.kernel.org/all/20211011134508.748956131@linuxfoundation.org/ URL:https://lore.kernel.org/all/20211011134508.748956131@linuxfoundation.org/ MLIST:[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update URL:https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
Assigning CNA
Red Hat, Inc.
Date Record Created
20201217	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20201217)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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