CVE-2021-3847
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.5%
exploitation probability
0.5%top 61% of all CVEs
observed exploitation
nono source reports it
An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.
Affected products
n/a · kernel