{"id":"USN-4484-1","summary":"linux-hwe, linux-aws-5.3, linux-gke-5.3, linux-raspi2-5.3 vulnerability","details":"It was discovered that the cgroup v2 subsystem in the Linux kernel did not\nproperly perform reference counting in some situations, leading to a NULL\npointer dereference. A local attacker could use this to cause a denial of\nservice or possibly gain administrative privileges.\n","modified":"2026-04-27T15:44:39.415826Z","published":"2020-09-02T04:42:33Z","related":["UBUNTU-CVE-2020-14356"],"upstream":["CVE-2020-14356","UBUNTU-CVE-2020-14356"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4484-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-14356"}],"affected":[{"package":{"name":"linux-aws-5.3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-aws-5.3@5.3.0-1034.36?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.0-1034.36"}]}],"versions":["5.3.0-1016.17~18.04.1","5.3.0-1017.18~18.04.1","5.3.0-1019.21~18.04.1","5.3.0-1023.25~18.04.1","5.3.0-1028.30~18.04.1","5.3.0-1030.32~18.04.1","5.3.0-1032.34~18.04.2","5.3.0-1033.35"],"ecosystem_specific":{"availability":"No subscription 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