{"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":"2026-05-23T01:31:33.208962817Z","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"}],"affected":[{"package":{"name":"linux-aws-5.3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-aws-5.3?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":{"binaries":[{"binary_version":"5.3.0-1034.36","binary_name":"linux-aws-5.3-cloud-tools-5.3.0-1034"},{"binary_version":"5.3.0-1034.36","binary_name":"linux-aws-5.3-headers-5.3.0-1034"},{"binary_version":"5.3.0-1034.36","binary_name":"linux-aws-5.3-tools-5.3.0-1034"},{"binary_version":"5.3.0-1034.36","binary_name":"linux-buildinfo-5.3.0-1034-aws"},{"binary_version":"5.3.0-1034.36","binary_name":"linux-cloud-tools-5.3.0-1034-aws"},{"binary_version":"5.3.0-1034.36","binary_name":"linux-headers-5.3.0-1034-aws"},{"binary_name":"linux-image-5.3.0-1034-aws","binary_version":"5.3.0-1034.36"},{"binary_version":"5.3.0-1034.36","binary_name":"linux-modules-5.3.0-1034-aws"},{"binary_version":"5.3.0-1034.36","binary_name":"linux-modules-extra-5.3.0-1034-aws"},{"binary_version":"5.3.0-1034.36","binary_name":"linux-tools-5.3.0-1034-aws"}],"availability":"No 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