CVE-2021-4157
CVE-2021-4157
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 1.6%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
25 Mar 2022Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.
Affected products
n/a · kernelWant to know if your infrastructure is exposed to this?
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