{"id":"USN-8643-4","summary":"linux-aws-6.8, linux-azure-fde, linux-azure-fde-6.8, linux-azure-fips, linux-nvidia-tegra vulnerabilities","details":"Several security issues were discovered in the Linux kernel.\nAn attacker could possibly use these to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - Network drivers;\n  - Open vSwitch;\n  - SCTP protocol;\n(CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531)\n","modified":"2026-08-26T02:15:30.702954642Z","published":"2026-08-25T20:21:07Z","related":["UBUNTU-CVE-2026-53224","UBUNTU-CVE-2026-53246","UBUNTU-CVE-2026-53247","UBUNTU-CVE-2026-64531"],"upstream":["CVE-2026-53224","CVE-2026-53246","CVE-2026-53247","CVE-2026-64531","UBUNTU-CVE-2026-53224","UBUNTU-CVE-2026-53246","UBUNTU-CVE-2026-53247","UBUNTU-CVE-2026-64531"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8643-4"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53224"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53246"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53247"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64531"}],"affected":[{"package":{"name":"linux-aws-6.8","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/linux-aws-6.8?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1063.66~22.04.1"}]}],"versions":["6.8.0-1009.9~22.04.2","6.8.0-1010.10~22.04.2","6.8.0-1011.12~22.04.1","6.8.0-1013.14~22.04.1","6.8.0-1014.15~22.04.1","6.8.0-1015.16~22.04.1","6.8.0-1016.17~22.04.2","6.8.0-1017.18~22.04.1","6.8.0-1018.19~22.04.1","6.8.0-1019.21~22.04.1","6.8.0-1020.22~22.04.1","6.8.0-1021.23~22.04.1","6.8.0-1023.25~22.04.1","6.8.0-1024.26~22.04.1","6.8.0-1027.29~22.04.1","6.8.0-1028.30~22.04.1","6.8.0-1029.31~22.04.1","6.8.0-1030.32~22.04.1","6.8.0-1031.33~22.04.1","6.8.0-1032.34~22.04.1","6.8.0-1033.35~22.04.1","6.8.0-1035.37~22.04.1","6.8.0-1036.38~22.04.1","6.8.0-1039.41~22.04.1","6.8.0-1040.42~22.04.1","6.8.0-1041.43~22.04.1","6.8.0-1042.44~22.04.1","6.8.0-1043.45~22.04.1","6.8.0-1044.46~22.04.1","6.8.0-1045.47~22.04.1","6.8.0-1046.49~22.04.1","6.8.0-1047.50~22.04.1","6.8.0-1050.53~22.04.1","6.8.0-1051.54~22.04.1","6.8.0-1052.55~22.04.1","6.8.0-1053.56~22.04.1","6.8.0-1055.58~22.04.1","6.8.0-1057.60~22.04.1","6.8.0-1060.63~22.04.1","6.8.0-1061.64~22.04.1","6.8.0-1062.65~22.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"6.8.0-1063.66~22.04.1","binary_name":"linux-aws-6.8-cloud-tools-6.8.0-1063"},{"binary_version":"6.8.0-1063.66~22.04.1","binary_name":"linux-aws-6.8-headers-6.8.0-1063"},{"binary_version":"6.8.0-1063.66~22.04.1","binary_name":"linux-aws-6.8-tools-6.8.0-1063"},{"binary_name":"linux-buildinfo-6.8.0-1063-aws","binary_version":"6.8.0-1063.66~22.04.1"},{"binary_name":"linux-buildinfo-6.8.0-1063-aws-64k","binary_version":"6.8.0-1063.66~22.04.1"},{"binary_version":"6.8.0-1063.66~22.04.1","binary_name":"linux-cloud-tools-6.8.0-1063-aws"},{"binary_version":"6.8.0-1063.66~22.04.1","binary_name":"linux-cloud-tools-6.8.0-1063-aws-64k"},{"binary_version":"6.8.0-1063.66~22.04.1","binary_name":"linux-headers-6.8.0-1063-aws"},{"binary_name":"linux-headers-6.8.0-1063-aws-64k","binary_version":"6.8.0-1063.66~22.04.1"},{"binary_version":"6.8.0-1063.66~22.04.1","binary_name":"linux-image-unsigned-6.8.0-1063-aws"},{"binary_version":"6.8.0-1063.66~22.04.1","binary_name":"linux-image-unsigned-6.8.0-1063-aws-64k"},{"binary_name":"linux-modules-6.8.0-1063-aws","binary_version":"6.8.0-1063.66~22.04.1"},{"binary_name":"linux-modules-6.8.0-1063-aws-64k","binary_version":"6.8.0-1063.66~22.04.1"},{"binary_name":"linux-modules-extra-6.8.0-1063-aws","binary_version":"6.8.0-1063.66~22.04.1"},{"binary_name":"linux-modules-extra-6.8.0-1063-aws-64k","binary_version":"6.8.0-1063.66~22.04.1"},{"binary_name":"linux-tools-6.8.0-1063-aws","binary_version":"6.8.0-1063.66~22.04.1"},{"binary_name":"linux-tools-6.8.0-1063-aws-64k","binary_version":"6.8.0-1063.66~22.04.1"}],"availability":"No 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