CVE-2021-20321
CVE-2021-20321
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
18 Feb 2022Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
Affected products
n/a · kernelWant to know if your infrastructure is exposed to this?
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