{"id":"USN-4343-1","summary":"linux vulnerability","details":"Al Viro discovered that the Linux kernel for s390x systems did not properly\nperform page table upgrades for kernel sections that use secondary address\nmode. A local attacker could use this to cause a denial of service (system\ncrash) or execute arbitrary code.\n","modified":"2026-05-23T01:30:43.836232258Z","published":"2020-04-28T23:27:12Z","related":["UBUNTU-CVE-2020-11884"],"upstream":["CVE-2020-11884","UBUNTU-CVE-2020-11884"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4343-1"}],"affected":[{"package":{"name":"linux","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-28.32"}]}],"versions":["5.3.0-18.19","5.3.0-24.26","5.4.0-9.12","5.4.0-18.22","5.4.0-21.25","5.4.0-24.28","5.4.0-25.29","5.4.0-26.30"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.4.0-28.32","binary_name":"block-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"block-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"crypto-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"crypto-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"dasd-extra-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"dasd-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"fat-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"fat-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"fb-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"firewire-core-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"floppy-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"fs-core-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"fs-core-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"fs-secondary-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"fs-secondary-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"input-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"input-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"ipmi-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"ipmi-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"kernel-image-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"kernel-image-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"linux-buildinfo-5.4.0-28-generic"},{"binary_version":"5.4.0-28.32","binary_name":"linux-buildinfo-5.4.0-28-generic-lpae"},{"binary_version":"5.4.0-28.32","binary_name":"linux-buildinfo-5.4.0-28-lowlatency"},{"binary_version":"5.4.0-28.32","binary_name":"linux-cloud-tools-5.4.0-28"},{"binary_version":"5.4.0-28.32","binary_name":"linux-cloud-tools-5.4.0-28-generic"},{"binary_version":"5.4.0-28.32","binary_name":"linux-cloud-tools-5.4.0-28-lowlatency"},{"binary_version":"5.4.0-28.32","binary_name":"linux-cloud-tools-common"},{"binary_version":"5.4.0-28.32","binary_name":"linux-headers-5.4.0-28"},{"binary_version":"5.4.0-28.32","binary_name":"linux-headers-5.4.0-28-generic"},{"binary_version":"5.4.0-28.32","binary_name":"linux-headers-5.4.0-28-generic-lpae"},{"binary_version":"5.4.0-28.32","binary_name":"linux-headers-5.4.0-28-lowlatency"},{"binary_version":"5.4.0-28.32","binary_name":"linux-image-5.4.0-28-generic"},{"binary_version":"5.4.0-28.32","binary_name":"linux-image-5.4.0-28-generic-lpae"},{"binary_version":"5.4.0-28.32","binary_name":"linux-image-unsigned-5.4.0-28-generic"},{"binary_version":"5.4.0-28.32","binary_name":"linux-image-unsigned-5.4.0-28-lowlatency"},{"binary_version":"5.4.0-28.32","binary_name":"linux-modules-5.4.0-28-generic"},{"binary_version":"5.4.0-28.32","binary_name":"linux-modules-5.4.0-28-generic-lpae"},{"binary_version":"5.4.0-28.32","binary_name":"linux-modules-5.4.0-28-lowlatency"},{"binary_version":"5.4.0-28.32","binary_name":"linux-modules-extra-5.4.0-28-generic"},{"binary_version":"5.4.0-28.32","binary_name":"linux-source-5.4.0"},{"binary_version":"5.4.0-28.32","binary_name":"linux-tools-5.4.0-28"},{"binary_version":"5.4.0-28.32","binary_name":"linux-tools-5.4.0-28-generic"},{"binary_version":"5.4.0-28.32","binary_name":"linux-tools-5.4.0-28-generic-lpae"},{"binary_version":"5.4.0-28.32","binary_name":"linux-tools-5.4.0-28-lowlatency"},{"binary_version":"5.4.0-28.32","binary_name":"linux-tools-common"},{"binary_version":"5.4.0-28.32","binary_name":"linux-tools-host"},{"binary_version":"5.4.0-28.32","binary_name":"linux-udebs-generic"},{"binary_version":"5.4.0-28.32","binary_name":"linux-udebs-generic-lpae"},{"binary_version":"5.4.0-28.32","binary_name":"md-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"md-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"message-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"mouse-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"mouse-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"multipath-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"multipath-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"nfs-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"nfs-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"nic-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"nic-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"nic-pcmcia-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"nic-shared-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"nic-shared-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"nic-usb-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"nic-usb-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"parport-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"parport-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"pata-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"pcmcia-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"pcmcia-storage-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"plip-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"plip-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"ppp-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"ppp-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"sata-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"sata-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"scsi-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"scsi-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"serial-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"storage-core-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"storage-core-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"usb-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"usb-modules-5.4.0-28-generic-lpae-di"},{"binary_version":"5.4.0-28.32","binary_name":"virtio-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"vlan-modules-5.4.0-28-generic-di"},{"binary_version":"5.4.0-28.32","binary_name":"vlan-modules-5.4.0-28-generic-lpae-di"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4343-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.5"}