{"id":"USN-8801-1","summary":"linux-azure-fde, linux-azure-fde-7.0 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 A local\nattacker could possibly use this to write to memory after permission to do\nso had been revoked, bypassing memory protections or escalating privileges.\n(CVE-2025-10263)\n\nSeveral security issues were discovered in the Linux kernel.\nAn attacker could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  - Character device driver;\n  - Networking core;\n  - IPv6 networking;\n  - Unix domain sockets;\n(CVE-2026-52938, CVE-2026-53325, CVE-2026-53361, CVE-2026-53362)\n","modified":"2026-09-22T15:42:52.070915378Z","published":"2026-09-22T10:17:44Z","related":["UBUNTU-CVE-2025-10263","UBUNTU-CVE-2026-52938","UBUNTU-CVE-2026-53325","UBUNTU-CVE-2026-53361","UBUNTU-CVE-2026-53362"],"upstream":["CVE-2025-10263","CVE-2026-52938","CVE-2026-53325","CVE-2026-53361","CVE-2026-53362","UBUNTU-CVE-2025-10263","UBUNTU-CVE-2026-52938","UBUNTU-CVE-2026-53325","UBUNTU-CVE-2026-53361","UBUNTU-CVE-2026-53362"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8801-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-10263"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52938"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53325"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53361"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53362"}],"affected":[{"package":{"name":"linux-azure-fde-7.0","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/linux-azure-fde-7.0?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0-1013.13~24.04.1"}]}],"versions":["7.0.0-1007.7~24.04.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"7.0.0-1013.13~24.04.1","binary_name":"linux-azure-fde-7.0-cloud-tools-7.0.0-1013"},{"binary_name":"linux-azure-fde-7.0-headers-7.0.0-1013","binary_version":"7.0.0-1013.13~24.04.1"},{"binary_name":"linux-azure-fde-7.0-tools-7.0.0-1013","binary_version":"7.0.0-1013.13~24.04.1"},{"binary_name":"linux-buildinfo-7.0.0-1013-azure-fde","binary_version":"7.0.0-1013.13~24.04.1"},{"binary_name":"linux-cloud-tools-7.0.0-1013-azure-fde","binary_version":"7.0.0-1013.13~24.04.1"},{"binary_version":"7.0.0-1013.13~24.04.1","binary_name":"linux-headers-7.0.0-1013-azure-fde"},{"binary_version":"7.0.0-1013.13~24.04.1","binary_name":"linux-image-unsigned-7.0.0-1013-azure-fde"},{"binary_name":"linux-modules-7.0.0-1013-azure-fde","binary_version":"7.0.0-1013.13~24.04.1"},{"binary_name":"linux-modules-iwlwifi-7.0.0-1013-azure-fde","binary_version":"7.0.0-1013.13~24.04.1"},{"binary_version":"7.0.0-1013.13~24.04.1","binary_name":"linux-tools-7.0.0-1013-azure-fde"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8801-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V4","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_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"},{"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-2025-10263"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-52938"},{"id":"CVE-2026-53325","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-53361","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-53362","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}],"ecosystem":"Ubuntu:24.04:LTS"}}},{"package":{"name":"linux-azure-fde","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/linux-azure-fde?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0-1013.13"}]}],"versions":["7.0.0-1003.3","7.0.0-1004.4","7.0.0-1006.6","7.0.0-1008.8","7.0.0-1009.9","7.0.0-1010.10","7.0.0-1011.11"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-azure-fde-cloud-tools-7.0.0-1013","binary_version":"7.0.0-1013.13"},{"binary_version":"7.0.0-1013.13","binary_name":"linux-azure-fde-headers-7.0.0-1013"},{"binary_version":"7.0.0-1013.13","binary_name":"linux-azure-fde-tools-7.0.0-1013"},{"binary_name":"linux-buildinfo-7.0.0-1013-azure-fde","binary_version":"7.0.0-1013.13"},{"binary_name":"linux-cloud-tools-7.0.0-1013-azure-fde","binary_version":"7.0.0-1013.13"},{"binary_name":"linux-headers-7.0.0-1013-azure-fde","binary_version":"7.0.0-1013.13"},{"binary_name":"linux-image-unsigned-7.0.0-1013-azure-fde","binary_version":"7.0.0-1013.13"},{"binary_version":"7.0.0-1013.13","binary_name":"linux-modules-7.0.0-1013-azure-fde"},{"binary_name":"linux-tools-7.0.0-1013-azure-fde","binary_version":"7.0.0-1013.13"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"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"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"high"}]},{"id":"CVE-2026-52938","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-53325"},{"id":"CVE-2026-53361","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-53362"}],"ecosystem":"Ubuntu:26.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8801-1.json"}}],"schema_version":"1.9.0"}