Ubuntu Linux kernel

3 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2021-34935.8 kernel – < 5.8.0-50.56 ; 5.4 kernel – < 5.4.0-72.80 ; 4.15 kernel – < 4.15.0-142.146 ; …The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities HIGH 8.849 %KEV
CVE-2021-34925.8 kernel – < 5.8.0-50.56 ; 5.4 kernel – < 5.4.0-72.80Ubuntu linux kernel shiftfs file system double free vulnerabilityHIGH 8.81.5 %
CVE-2019-157945.3 kernel – < 5.3.0-24.26 ; 5.0 kernel – < 5.0.0-37.40Reference counting error in overlayfs/shiftfs error path when used in conjuction with aufsHIGH 7.11.2 %