{"id":"ALSA-2023:6380","summary":"Moderate: runc security update","details":"The runC tool is a lightweight, portable implementation of the Open Container Format (OCF) that provides container runtime.\n\nSecurity Fix(es):\n\n* golang: crypto/tls: large handshake records may cause panics (CVE-2022-41724)\n* runc: Rootless runc makes `/sys/fs/cgroup` writable (CVE-2023-25809)\n* runc: volume mount race condition (regression of CVE-2019-19921) (CVE-2023-27561)\n* runc: AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration (CVE-2023-28642)\n* runc: integer overflow in netlink bytemsg length field allows attacker to override netlink-based container configuration (CVE-2021-43784)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","modified":"2026-02-04T03:40:59.510459Z","published":"2023-11-07T00:00:00Z","related":["CVE-2019-19921","CVE-2021-43784","CVE-2022-41724","CVE-2023-25809","CVE-2023-27561","CVE-2023-28642"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:6380"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-43784"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-41724"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-25809"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-27561"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-28642"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2029439"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2175721"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2178492"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2182883"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2182884"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2023-6380.html"}],"affected":[{"package":{"name":"runc","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/runc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:1.1.9-1.el9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:6380.json"}}],"schema_version":"1.7.3"}