{"action":"Upgrade linux to 5.10.12-1 or later.","affected":[{"fixed":"5.10.12-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.10.12-1"],"id":"tcs_01M5NFNSS0V8CKTKAQESBAFN23","modified_at":"2026-10-23T18:03:14.124010720Z","published_at":"2021-01-19T07:15:13.443Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-3178","https://security-tracker.debian.org/tracker/CVE-2021-3178"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-3178","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-3178"}],"summary":"fs/nfsd/nfs3xdr.c in the Linux kernel through 5.10.8, when there is an NFS export of a subdirectory of a filesystem, allows remote attackers to traverse to other parts of the filesystem via READDIRPLU"}