{"cvss":0.0,"datePublished":"2022-10-20","dateUpdated":"2022-10-20","description":"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.","dueDate":"2022-11-10","id":"CVE-2021-3493","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Unknown","notes":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7c03e2cda4a584cadc398e8f6641ca9988a39d52; https://nvd.nist.gov/vuln/detail/CVE-2021-3493","product":"Kernel","requiredAction":"Apply updates per vendor instructions.","severity":"HIGH","source":"cisa_known_exploited","title":"Linux Kernel Privilege Escalation Vulnerability","vendor":"Linux"}