CVE-2021-3493· linux / kernel· CWE-862
Linux Kernel Privilege Escalation Vulnerability
Exploited in the wild. Listed by CISA on 2022-10-20; known to be used by ransomware.
49.2%likelihood of exploitation, next 30 days
99%of all CVEs are less likely
Nonecheck to confirm it
The overlayfs stacking file system in Linux kernel does not properly validate the application of file capabilities against user namespaces, which could lead to privilege escalation.
No ready check is stored for this CVE. Confirm it by hand from the references.
References
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