CVE-2019-14891

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{"acknowledgement": "Red Hat would like to thank Nick Freeman (Capsule8) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2020:2992", "cpe": "cpe:/a:redhat:openshift:3.11::el7", "package": "cri-o-0:1.11.16-0.10.dev.rhaos3.11.git1eee681.el7", "product_name": "Red Hat OpenShift Container Platform 3.11", "release_date": "2020-07-27T00:00:00Z"}, {"advisory": "RHSA-2020:2776", "cpe": "cpe:/a:redhat:openshift:4.2::el7", "package": "cri-o-0:1.14.12-15.dev.rhaos4.2.gita17905f.el8", "product_name": "Red Hat OpenShift Container Platform 4.2", "release_date": "2020-07-01T00:00:00Z"}], "bugzilla": {"description": "cri-o: infra container reparented to systemd following OOM Killer killing it's conmon", "id": "1772280", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1772280"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.0", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L", "status": "verified"}, "cwe": "CWE-460", "details": ["A flaw was found in cri-o, as a result of all pod-related processes being placed in the same memory cgroup. This can result in container management (conmon) processes being killed if a workload process triggers an out-of-memory (OOM) condition for the cgroup. An attacker could abuse this flaw to get host network access on an cri-o host.", "A flaw was found in cri-o, as a result of all pod-related processes being placed in the same memory cgroup. This can result in container management (conmon) processes being killed if a workload process triggers an out-of-memory (OOM) condition for the cgroup. An attacker could abuse this flaw to get host network access on an cri-o host."], "mitigation": {"lang": "en:us", "value": "As of cri-o v1.15 you can set conmon_cgroup = \"system.slice\" in the crio.runtime section of /etc/crio/crio.conf. On OpenShift Container Platform 4.x that can be done by following the documentation here:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.2/html/architecture/architecture-rhcos\nFor OpenShift Container Platform 3.x you can edit /etc/crio/crio.conf directly on the worker node if using cri-o on that version. Cri-o is not the default container engine on that version, Docker is."}, "name": "CVE-2019-14891", "public_date": "2019-11-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-14891\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-14891\nhttps://capsule8.com/blog/oomypod-nothin-to-cri-o-bout/"], "threat_severity": "Moderate"}

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