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Mageia 8 MGASA-2021-0553 Moderate: runc Overflow Threat

It was discovered that there was an overflow issue in runc, the runtime for the Open Container Project, often used with Docker. The Netlink 'bytemsg' length field could have allowed an attacker to override Netlink-based container configurations. This vulnerability required the attacker to have some control over the configuration of the container, but . MGASA-2021-0553 - Updated opencontainers-runc packages fix security vulnerability Publication date: 10 Dec 2021 URL: https://advisories.mageia.org/MGASA-2021-0553.html Type: security Affected Mageia releases: 8 CVE: CVE-2021-43784 It was discovered that there was an overflow issue in runc, the runtime for the Open Container Project, often used with Docker. The Netlink 'bytemsg' length field could have allowed an attacker to override Netlink-based container configurations. This vulnerability required the attacker to have some control over the configuration of the container, but would have allowed the attacker to bypass the namespace restrictions of the container by simply adding their own Netlink payload which disables all namespaces. (CVE-2021-43784) References: - https://bugs.mageia.org/show_bug.cgi?id=29738 - https://lists.debian.org/debian-lts-announce/2021/12/msg00005.html - https://www.cve.org/CVERecord?id=CVE-2021-43784 SRPMS: - 8/core/opencontainers-runc-1.0.3-1.mga8 . Tackling the overflow problem in runc by implementing critical security patches ensures the safeguarding of Mageia 8 container setups.. Mageia Update, runc Overflow, container runtime, security fix. . LinuxSecurity.com Team

Dec 10, 2021 Mageia