It was discovered that containerd incorrectly handled memory when receiving certain faulty Exec or ExecSync commands. A remote attacker could possibly use this issue to cause a denial of service or crash containerd. (CVE-2022-23471, CVE-2022-31030) It was discovered that containerd incorrectly set up inheritable file capabilities. An attacker could possibly use this issue to escalate privileges inside a container. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-24769) It was discovered that containerd incorrectly handled access to encrypted container images when using imgcrypt library. A remote attacker could possibly use this issue to access encrypted images from other users. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-24778)
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