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 |
|---|---|
| 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
11 May 2022, 14:20
| Type | Values Removed | Values Added |
|---|---|---|
| References | (DEBIAN) https://www.debian.org/security/2022/dsa-5096 - Third Party Advisory | |
| References | (MLIST) https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html - Mailing List, Third Party Advisory | |
| CPE | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
10 Mar 2022, 17:41
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
03 Mar 2022, 15:07
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:* |
|
| References | (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2013242 - Issue Tracking, Third Party Advisory | |
| References | (MISC) https://lore.kernel.org/all/20211011134508.748956131@linuxfoundation.org/ - Patch, Vendor Advisory | |
| CVSS |
v2 : v3 : |
v2 : 4.7
v3 : 4.7 |
| CWE | CWE-362 |
18 Feb 2022, 18:33
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2022-02-18 18:15
Updated : 2024-02-04 22:29
NVD link : CVE-2021-20321
Mitre link : CVE-2021-20321
CVE.ORG link : CVE-2021-20321
JSON object : View
Products Affected
redhat
- enterprise_linux
debian
- debian_linux
linux
- linux_kernel
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')