{"id":"USN-8817-3","summary":"linux-aws, linux-aws-6.8 vulnerabilities","details":"It was discovered that some Arm processors could complete a broadcast\ntranslation lookaside buffer (TLB) invalidation before memory writes made\nthrough the invalidated translation were globally observed. A local\nattacker could possibly use this to write to memory after permission to do\nso had been revoked, bypassing memory protections or escalating privileges.\n(CVE-2025-10263)\n\nSeveral security issues were discovered in the Linux kernel.\nAn attacker could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  - ARM64 architecture;\n  - InfiniBand drivers;\n  - Network drivers;\n  - TCM subsystem;\n  - B.A.T.M.A.N. meshing protocol;\n  - HSR network protocol;\n  - IPv4 networking;\n  - IPv6 networking;\n  - Netfilter;\n  - RDS protocol;\n(CVE-2026-53131, CVE-2026-53186, CVE-2026-53216, CVE-2026-53221,\nCVE-2026-53354, CVE-2026-53355, CVE-2026-63886, CVE-2026-63887,\nCVE-2026-63888, CVE-2026-63912, CVE-2026-63922, CVE-2026-63924,\nCVE-2026-63984, CVE-2026-63992, CVE-2026-63993, CVE-2026-63994,\nCVE-2026-64000, CVE-2026-64007, CVE-2026-64091)\n","modified":"2026-10-01T00:41:46.116854953Z","published":"2026-09-30T14:04:57Z","related":["UBUNTU-CVE-2025-10263","UBUNTU-CVE-2026-53131","UBUNTU-CVE-2026-53186","UBUNTU-CVE-2026-53216","UBUNTU-CVE-2026-53221","UBUNTU-CVE-2026-53354","UBUNTU-CVE-2026-53355","UBUNTU-CVE-2026-63886","UBUNTU-CVE-2026-63887","UBUNTU-CVE-2026-63888","UBUNTU-CVE-2026-63912","UBUNTU-CVE-2026-63922","UBUNTU-CVE-2026-63924","UBUNTU-CVE-2026-63984","UBUNTU-CVE-2026-63992","UBUNTU-CVE-2026-63993","UBUNTU-CVE-2026-63994","UBUNTU-CVE-2026-64000","UBUNTU-CVE-2026-64007","UBUNTU-CVE-2026-64091"],"upstream":["CVE-2025-10263","CVE-2026-53131","CVE-2026-53186","CVE-2026-53216","CVE-2026-53221","CVE-2026-53354","CVE-2026-53355","CVE-2026-63886","CVE-2026-63887","CVE-2026-63888","CVE-2026-63912","CVE-2026-63922","CVE-2026-63924","CVE-2026-63984","CVE-2026-63992","CVE-2026-63993","CVE-2026-63994","CVE-2026-64000","CVE-2026-64007","CVE-2026-64091","UBUNTU-CVE-2025-10263","UBUNTU-CVE-2026-53131","UBUNTU-CVE-2026-53186","UBUNTU-CVE-2026-53216","UBUNTU-CVE-2026-53221","UBUNTU-CVE-2026-53354","UBUNTU-CVE-2026-53355","UBUNTU-CVE-2026-63886","UBUNTU-CVE-2026-63887","UBUNTU-CVE-2026-63888","UBUNTU-CVE-2026-63912","UBUNTU-CVE-2026-63922","UBUNTU-CVE-2026-63924","UBUNTU-CVE-2026-63984","UBUNTU-CVE-2026-63992","UBUNTU-CVE-2026-63993","UBUNTU-CVE-2026-63994","UBUNTU-CVE-2026-64000","UBUNTU-CVE-2026-64007","UBUNTU-CVE-2026-64091"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8817-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-10263"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53131"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53186"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53216"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53221"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53354"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53355"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63886"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63887"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63888"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63912"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63922"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63924"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63984"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63992"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63993"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-63994"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64000"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64007"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64091"}],"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":"6.8.0-1065.68~22.04.1"}]}],"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","6.8.0-1063.66~22.04.1","6.8.0-1064.67~22.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.8.0-1065.68~22.04.1","binary_name":"linux-aws-6.8-cloud-tools-6.8.0-1065"},{"binary_version":"6.8.0-1065.68~22.04.1","binary_name":"linux-aws-6.8-headers-6.8.0-1065"},{"binary_version":"6.8.0-1065.68~22.04.1","binary_name":"linux-aws-6.8-tools-6.8.0-1065"},{"binary_name":"linux-buildinfo-6.8.0-1065-aws","binary_version":"6.8.0-1065.68~22.04.1"},{"binary_name":"linux-buildinfo-6.8.0-1065-aws-64k","binary_version":"6.8.0-1065.68~22.04.1"},{"binary_version":"6.8.0-1065.68~22.04.1","binary_name":"linux-cloud-tools-6.8.0-1065-aws"},{"binary_version":"6.8.0-1065.68~22.04.1","binary_name":"linux-cloud-tools-6.8.0-1065-aws-64k"},{"binary_version":"6.8.0-1065.68~22.04.1","binary_name":"linux-headers-6.8.0-1065-aws"},{"binary_name":"linux-headers-6.8.0-1065-aws-64k","bi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required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2025-10263","severity":[{"score":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-53131","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-53186","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"score":"high","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2026-53216"},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-53221"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-53354"},{"id":"CVE-2026-53355","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-63886"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-63887"},{"id":"CVE-2026-63888","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-63912"},{"id":"CVE-2026-63922","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-63924","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-63984"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-63992"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-63993"},{"id":"CVE-2026-63994","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-64000"},{"id":"CVE-2026-64007","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-64091"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8817-3.json"}},{"package":{"name":"linux-aws","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/linux-aws?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0-1065.68"}]}],"versions":["6.5.0-1008.8","6.6.0-1001.1","6.8.0-1001.1","6.8.0-1006.6","6.8.0-1008.8","6.8.0-1009.9","6.8.0-1010.10","6.8.0-1011.12","6.8.0-1012.13","6.8.0-1013.14","6.8.0-1014.15","6.8.0-1015.16","6.8.0-1016.17","6.8.0-1017.18","6.8.0-1018.20","6.8.0-1019.21","6.8.0-1020.22","6.8.0-1021.23","6.8.0-1023.25","6.8.0-1024.26","6.8.0-1025.27","6.8.0-1026.28","6.8.0-1027.29","6.8.0-1028.30","6.8.0-1029.31","6.8.0-1030.32","6.8.0-1031.33","6.8.0-1032.34","6.8.0-1033.35","6.8.0-1035.37","6.8.0-1036.38","6.8.0-1038.40","6.8.0-1039.41","6.8.0-1040.42","6.8.0-1041.43","6.8.0-1042.44","6.8.0-1043.45","6.8.0-1044.46","6.8.0-1045.47","6.8.0-1046.49","6.8.0-1047.50","6.8.0-1050.53","6.8.0-1051.54","6.8.0-1052.55","6.8.0-1053.56","6.8.0-1055.58","6.8.0-1057.60","6.8.0-1060.63","6.8.0-1061.64","6.8.0-1062.65","6.8.0-1063.66","6.8.0-1064.67"],"ecosystem_specific":{"binaries":[{"binary_version":"6.8.0-1065.68","binary_name":"linux-aws-cloud-tools-6.8.0-1065"},{"binary_name":"linux-aws-headers-6.8.0-1065","binary_version":"6.8.0-1065.68"},{"binary_name":"linux-aws-tools-6.8.0-1065","binary_version":"6.8.0-1065.68"},{"binary_version":"6.8.0-1065.68","binar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