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
Link | Resource |
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https://bugzilla.redhat.com/show_bug.cgi?id=2013242 | Issue Tracking Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html | Mailing List Third Party Advisory |
https://lore.kernel.org/all/20211011134508.748956131%40linuxfoundation.org/ | |
https://www.debian.org/security/2022/dsa-5096 | Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=2013242 | Issue Tracking Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html | Mailing List Third Party Advisory |
https://lore.kernel.org/all/20211011134508.748956131%40linuxfoundation.org/ | |
https://www.debian.org/security/2022/dsa-5096 | Third Party Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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History
21 Nov 2024, 05:46
Type | Values Removed | Values Added |
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References | () https://bugzilla.redhat.com/show_bug.cgi?id=2013242 - Issue Tracking, Third Party Advisory | |
References | () https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html - Mailing List, Third Party Advisory | |
References | () https://lore.kernel.org/all/20211011134508.748956131%40linuxfoundation.org/ - | |
References | () https://www.debian.org/security/2022/dsa-5096 - Third Party Advisory |
07 Nov 2023, 03:29
Type | Values Removed | Values Added |
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References |
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Information
Published : 2022-02-18 18:15
Updated : 2024-11-21 05:46
NVD link : CVE-2021-20321
Mitre link : CVE-2021-20321
CVE.ORG link : CVE-2021-20321
JSON object : View
Products Affected
debian
- debian_linux
linux
- linux_kernel
redhat
- enterprise_linux
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')