{"id":"USN-7758-3","summary":"linux-realtime vulnerability","details":"It was discovered that the AF_UNIX socket garbage collection implementation\nin Ubuntu Noble's 6.8 kernel did not properly handle out-of-band (OOB)\nmessages, leading to a use-after-free vulnerability. An attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code.\n","modified":"2026-02-10T04:49:49Z","published":"2025-09-19T09:58:42Z","references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7758-3"},{"type":"REPORT","url":"https://launchpad.net/bugs/2121515"}],"affected":[{"package":{"name":"linux-realtime","ecosystem":"Ubuntu:Pro:Realtime:24.04:LTS","purl":"pkg:deb/ubuntu/linux-realtime@6.8.1-1033.34?arch=source&distro=realtime/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.1-1033.34"}]}],"versions":["6.8.0-1008.19","6.8.1-1001.1","6.8.1-1002.2","6.8.1-1003.3","6.8.1-1004.4","6.8.1-1005.5","6.8.1-1006.6","6.8.1-1007.7","6.8.1-1008.8","6.8.1-1009.9","6.8.1-1010.10","6.8.1-1011.11","6.8.1-1012.12","6.8.1-1013.14","6.8.1-1014.15","6.8.1-1015.16","6.8.1-1016.17","6.8.1-1017.18","6.8.1-1018.19","6.8.1-1019.20","6.8.1-1020.21","6.8.1-1021.22","6.8.1-1022.23","6.8.1-1023.24","6.8.1-1024.25","6.8.1-1025.26","6.8.1-1026.27","6.8.1-1030.31","6.8.1-1031.32"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"linux-buildinfo-6.8.1-1033-realtime","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-cloud-tools-6.8.1-1033-realtime","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-headers-6.8.1-1033-realtime","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-image-unsigned-6.8.1-1033-realtime","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-modules-6.8.1-1033-realtime","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-modules-extra-6.8.1-1033-realtime","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-modules-iwlwifi-6.8.1-1033-realtime","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-realtime-cloud-tools-6.8.1-1033","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-realtime-headers-6.8.1-1033","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-realtime-tools-6.8.1-1033","binary_version":"6.8.1-1033.34"},{"binary_name":"linux-tools-6.8.1-1033-realtime","binary_version":"6.8.1-1033.34"}]},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:Realtime:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7758-3.json"}}],"schema_version":"1.7.3"}