{"id":"USN-5002-1","summary":"linux-hwe, linux-gke-5.3, linux-raspi2-5.3 vulnerability","details":"Norbert Slusarek discovered a race condition in the CAN BCM networking\nprotocol of the Linux kernel leading to multiple use-after-free\nvulnerabilities. A local attacker could use this issue to execute arbitrary\ncode.\n","modified":"2026-04-24T09:18:38.750642Z","published":"2021-06-23T04:12:41Z","related":["UBUNTU-CVE-2021-3609"],"upstream":["CVE-2021-3609","UBUNTU-CVE-2021-3609"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5002-1"}],"affected":[{"package":{"name":"linux-gke-5.3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-gke-5.3@5.3.0-1044.47?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.0-1044.47"}]}],"versions":["5.3.0-1011.12~18.04.1","5.3.0-1012.13~18.04.1","5.3.0-1014.15~18.04.1","5.3.0-1016.17~18.04.1","5.3.0-1017.18~18.04.1","5.3.0-1018.19~18.04.1","5.3.0-1020.22~18.04.1","5.3.0-1026.28~18.04.1","5.3.0-1030.32~18.04.1","5.3.0-1032.34~18.04.1","5.3.0-1033.35","5.3.0-1034.36","5.3.0-1036.38","5.3.0-1038.40","5.3.0-1039.42","5.3.0-1040.43","5.3.0-1041.44","5.3.0-1042.45","5.3.0-1043.46"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.3.0-1044.47","binary_name":"linux-buildinfo-5.3.0-1044-gke"},{"binary_version":"5.3.0-1044.47","binary_name":"linux-gke-5.3-headers-5.3.0-1044"},{"binary_version":"5.3.0-1044.47","binary_name":"linux-gke-5.3-tools-5.3.0-1044"},{"binary_version":"5.3.0-1044.47","binary_name":"linux-headers-5.3.0-1044-gke"},{"binary_version":"5.3.0-1044.47","binary_name":"linux-image-unsigned-5.3.0-1044-gke"},{"binary_version":"5.3.0-1044.47","binary_name":"linux-modules-5.3.0-1044-gke"},{"binary_version":"5.3.0-1044.47","binary_name":"linux-modules-extra-5.3.0-1044-gke"},{"binary_version":"5.3.0-1044.47","binary_name":"linux-tools-5.3.0-1044-gke"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5002-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"linux-hwe","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-hwe@5.3.0-75.71?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.0-75.71"}]}],"versions":["4.18.0-13.14~18.04.1","4.18.0-14.15~18.04.1","4.18.0-15.16~18.04.1","4.18.0-16.17~18.04.1","4.18.0-17.18~18.04.1","4.18.0-18.19~18.04.1","4.18.0-20.21~18.04.1","4.18.0-21.22~18.04.1","4.18.0-22.23~18.04.1","4.18.0-24.25~18.04.1","4.18.0-25.26~18.04.1","5.0.0-23.24~18.04.1","5.0.0-25.26~18.04.1","5.0.0-27.28~18.04.1","5.0.0-29.31~18.04.1","5.0.0-31.33~18.04.1","5.0.0-32.34~18.04.2","5.0.0-35.38~18.04.1","5.0.0-36.39~18.04.1","5.0.0-37.40~18.04.1","5.3.0-26.28~18.04.1","5.3.0-28.30~18.04.1","5.3.0-40.32~18.04.1","5.3.0-42.34~18.04.1","5.3.0-45.37~18.04.1","5.3.0-46.38~18.04.1","5.3.0-51.44~18.04.2","5.3.0-53.47~18.04.1","5.3.0-59.53~18.04.1","5.3.0-61.55~18.04.1","5.3.0-62.56~18.04.1","5.3.0-64.58~18.04.1","5.3.0-65.59","5.3.0-66.60","5.3.0-67.61","5.3.0-68.63","5.3.0-69.65","5.3.0-70.66","5.3.0-72.68","5.3.0-73.69","5.3.0-74.70"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.3.0-75.71","binary_name":"block-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"crypto-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"fat-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"fb-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"firewire-core-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"floppy-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"fs-core-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"fs-secondary-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"input-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"ipmi-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"kernel-image-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"linux-buildinfo-5.3.0-75-generic"},{"binary_version":"5.3.0-75.71","binary_name":"linux-buildinfo-5.3.0-75-lowlatency"},{"binary_version":"5.3.0-75.71","binary_name":"linux-cloud-tools-5.3.0-75-generic"},{"binary_version":"5.3.0-75.71","binary_name":"linux-cloud-tools-5.3.0-75-lowlatency"},{"binary_version":"5.3.0-75.71","binary_name":"linux-headers-5.3.0-75-generic"},{"binary_version":"5.3.0-75.71","binary_name":"linux-headers-5.3.0-75-lowlatency"},{"binary_version":"5.3.0-75.71","binary_name":"linux-hwe-cloud-tools-5.3.0-75"},{"binary_version":"5.3.0-75.71","binary_name":"linux-hwe-headers-5.3.0-75"},{"binary_version":"5.3.0-75.71","binary_name":"linux-hwe-tools-5.3.0-75"},{"binary_version":"5.3.0-75.71","binary_name":"linux-hwe-udebs-generic"},{"binary_version":"5.3.0-75.71","binary_name":"linux-image-5.3.0-75-generic"},{"binary_version":"5.3.0-75.71","binary_name":"linux-image-5.3.0-75-lowlatency"},{"binary_version":"5.3.0-75.71","binary_name":"linux-image-unsigned-5.3.0-75-generic"},{"binary_version":"5.3.0-75.71","binary_name":"linux-image-unsigned-5.3.0-75-lowlatency"},{"binary_version":"5.3.0-75.71","binary_name":"linux-modules-5.3.0-75-generic"},{"binary_version":"5.3.0-75.71","binary_name":"linux-modules-5.3.0-75-lowlatency"},{"binary_version":"5.3.0-75.71","binary_name":"linux-modules-extra-5.3.0-75-generic"},{"binary_version":"5.3.0-75.71","binary_name":"linux-source-5.3.0"},{"binary_version":"5.3.0-75.71","binary_name":"linux-tools-5.3.0-75-generic"},{"binary_version":"5.3.0-75.71","binary_name":"linux-tools-5.3.0-75-lowlatency"},{"binary_version":"5.3.0-75.71","binary_name":"md-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"message-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"mouse-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"multipath-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"nfs-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"nic-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"nic-pcmcia-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"nic-shared-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"nic-usb-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"parport-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"pata-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"pcmcia-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"pcmcia-storage-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"plip-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"ppp-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"sata-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"scsi-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"serial-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"storage-core-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"usb-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"virtio-modules-5.3.0-75-generic-di"},{"binary_version":"5.3.0-75.71","binary_name":"vlan-modules-5.3.0-75-generic-di"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5002-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"linux-raspi2-5.3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-raspi2-5.3@5.3.0-1041.43?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.0-1041.43"}]}],"versions":["5.3.0-1017.19~18.04.1","5.3.0-1018.20~18.04.1","5.3.0-1019.21~18.04.1","5.3.0-1021.23~18.04.1","5.3.0-1022.24~18.04.1","5.3.0-1023.25~18.04.1","5.3.0-1026.28~18.04.1","5.3.0-1027.29~18.04.1","5.3.0-1028.30~18.04.2","5.3.0-1030.32~18.04.2","5.3.0-1032.34","5.3.0-1033.35","5.3.0-1035.37","5.3.0-1036.38","5.3.0-1037.39","5.3.0-1038.40","5.3.0-1039.41","5.3.0-1040.42"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.3.0-1041.43","binary_name":"linux-buildinfo-5.3.0-1041-raspi2"},{"binary_version":"5.3.0-1041.43","binary_name":"linux-headers-5.3.0-1041-raspi2"},{"binary_version":"5.3.0-1041.43","binary_name":"linux-image-5.3.0-1041-raspi2"},{"binary_version":"5.3.0-1041.43","binary_name":"linux-modules-5.3.0-1041-raspi2"},{"binary_version":"5.3.0-1041.43","binary_name":"linux-raspi2-5.3-headers-5.3.0-1041"},{"binary_version":"5.3.0-1041.43","binary_name":"linux-raspi2-5.3-tools-5.3.0-1041"},{"binary_version":"5.3.0-1041.43","binary_name":"linux-tools-5.3.0-1041-raspi2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5002-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:18.04:LTS"}}}],"schema_version":"1.7.5"}