{"schema_version":"1.7.5","id":"openSUSE-SU-2026:21431-1","published":"2026-07-23T13:29:15Z","modified":"2026-07-24T17:16:09.925091408Z","related":["CVE-2025-31133","CVE-2025-52565","CVE-2026-41579"],"upstream":["CVE-2025-31133","CVE-2025-52565","CVE-2026-41579"],"summary":"Security update for runc","details":"This update for runc fixes the following issues:\n\nUpdate to 1.3.6.\n\n- CVE-2026-41579: malicious image with a `/dev` symlink can trigger limited host filesystem integrity violations\n  (bsc#1268275).\n\nOther updates and bugfixes:\n\n- Version 1.3.6:\n  * Various integration test improvements.\n  * When masking directories with `maskPaths`, runc will now re- use a single `tmpfs` instance (which is not writeable)\n    to reduce the number `tmpfs` superblocks that need to be reaped when containers die (in particular, Kubernetes\n    applies masks to per-CPU sysfs directories which get expensive quickly).\n- Version 1.3.5:\n  * Recursive atime-related mount flags (rrelatime et al.) are now applied properly.\n  * PR #4757 caused a regression that resulted in spurious cannot start a container that has stopped errors when\n    running runc create and has thus been reverted.\n  * Updated builds to Go 1.25, libseccomp v2.6.0.\n  * Minor signing keyring updates.\n","affected":[{"package":{"name":"runc","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/runc&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-160000.1.1"}]}],"ecosystem_specific":{"binaries":[{"runc":"1.3.6-160000.1.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21431-1.json"}}],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268275"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-31133"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-52565"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-41579"}]}