{"id":"USN-8643-1","summary":"linux, linux-aws, linux-aws-fips, linux-azure, linux-fips, linux-gcp, linux-gcp-6.8, linux-gcp-fips, linux-gkeop, linux-oracle, linux-realtime, linux-realtime-6.8, linux-xilinx 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":"2026-08-19T03:14:56.870824449Z","published":"2026-08-18T18:08:07Z","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-8643-1"},{"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-gcp-6.8","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/linux-gcp-6.8?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1066.74~22.04.1"}]}],"versions":["6.8.0-1010.11~22.04.1","6.8.0-1011.12~22.04.1","6.8.0-1012.13~22.04.1","6.8.0-1013.14~22.04.1","6.8.0-1014.16~22.04.1","6.8.0-1015.17~22.04.1","6.8.0-1016.18~22.04.1","6.8.0-1017.19~22.04.1","6.8.0-1018.20~22.04.1","6.8.0-1019.21~22.04.1","6.8.0-1020.22~22.04.1","6.8.0-1021.23~22.04.1","6.8.0-1024.26~22.04.1","6.8.0-1025.27~22.04.1","6.8.0-1026.28~22.04.1","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","6.8.0-1034.36~22.04.2","6.8.0-1036.38~22.04.1","6.8.0-1037.39~22.04.1","6.8.0-1040.42~22.04.1","6.8.0-1041.43~22.04.1","6.8.0-1042.45~22.04.1","6.8.0-1043.46~22.04.1","6.8.0-1044.47~22.04.1","6.8.0-1045.48~22.04.1","6.8.0-1046.49~22.04.1","6.8.0-1047.50~22.04.2","6.8.0-1048.51~22.04.1","6.8.0-1052.55~22.04.1","6.8.0-1053.56~22.04.1","6.8.0-1054.57~22.04.1","6.8.0-1058.61~22.04.1","6.8.0-1060.63~22.04.1","6.8.0-1063.69~22.04.1","6.8.0-1064.72~22.04.1","6.8.0-1065.73~22.04.1"],"ecosystem_specific":{"availability":"No 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