{"id":"MGASA-2021-0486","summary":"Updated flatpak packages fix security vulnerability","details":"Flatpak apps with direct access to AF_UNIX sockets such as those used by\nWayland, Pipewire or pipewire-pulse can trick portals and other host-OS\nservices into treating the Flatpak app as though it was an ordinary,\nnon-sandboxed host-OS process, by manipulating the VFS using recent\nmount-related syscalls that are not blocked by Flatpak's denylist seccomp\nfilter, in order to substitute a crafted /.flatpak-info or make that file\ndisappear entirely.\n","modified":"2026-04-16T04:41:55.516120715Z","published":"2021-10-23T10:05:28Z","upstream":["CVE-2021-41133"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2021-0486.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=29543"},{"type":"ADVISORY","url":"https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/R5656ONDP2MGKIJMKEC7N2NXCV27WGTC/"}],"affected":[{"package":{"name":"flatpak","ecosystem":"Mageia:8","purl":"pkg:rpm/mageia/flatpak?arch=source&distro=mageia-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.5-1.mga8"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2021-0486.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}