{"id":"USN-8636-1","summary":"linux-azure-6.17, linux-gcp-6.17, linux-hwe-6.17, linux-oem-6.17, linux-realtime-6.17 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  - x86 architecture;\n  - InfiniBand drivers;\n  - Media drivers;\n  - Network drivers;\n  - Mellanox network drivers;\n  - Texas Instruments network drivers;\n  - NVME drivers;\n  - File systems infrastructure;\n  - SMB network file system;\n  - IPv4 networking;\n  - Network traffic control;\n  - TCP network protocol;\n  - Locking primitives;\n  - Memory management;\n  - IPv6 networking;\n  - Multipath TCP;\n  - Netfilter;\n  - RxRPC session sockets;\n  - SCTP protocol;\n  - SMC sockets;\n(CVE-2026-31405, CVE-2026-31414, CVE-2026-31501, CVE-2026-31589,\nCVE-2026-31633, CVE-2026-31636, CVE-2026-31705, CVE-2026-43198,\nCVE-2026-43379, CVE-2026-43465, CVE-2026-43499, CVE-2026-46113,\nCVE-2026-46137, CVE-2026-46242, CVE-2026-46331, CVE-2026-52924,\nCVE-2026-52989, CVE-2026-53086, CVE-2026-53131, CVE-2026-53176,\nCVE-2026-53212, CVE-2026-53225, CVE-2026-53228, CVE-2026-53359)\n","modified":"2026-08-13T02:59:01.276888043Z","published":"2026-08-12T20:06:15Z","related":["UBUNTU-CVE-2026-31405","UBUNTU-CVE-2026-31414","UBUNTU-CVE-2026-31501","UBUNTU-CVE-2026-31589","UBUNTU-CVE-2026-31633","UBUNTU-CVE-2026-31636","UBUNTU-CVE-2026-31705","UBUNTU-CVE-2026-43198","UBUNTU-CVE-2026-43379","UBUNTU-CVE-2026-43465","UBUNTU-CVE-2026-43499","UBUNTU-CVE-2026-46113","UBUNTU-CVE-2026-46137","UBUNTU-CVE-2026-46242","UBUNTU-CVE-2026-46331","UBUNTU-CVE-2026-52924","UBUNTU-CVE-2026-52989","UBUNTU-CVE-2026-53086","UBUNTU-CVE-2026-53131","UBUNTU-CVE-2026-53176","UBUNTU-CVE-2026-53212","UBUNTU-CVE-2026-53225","UBUNTU-CVE-2026-53228","UBUNTU-CVE-2026-53359"],"upstream":["CVE-2026-31405","CVE-2026-31414","CVE-2026-31501","CVE-2026-31589","CVE-2026-31633","CVE-2026-31636","CVE-2026-31705","CVE-2026-43198","CVE-2026-43379","CVE-2026-43465","CVE-2026-43499","CVE-2026-46113","CVE-2026-46137","CVE-2026-46242","CVE-2026-46331","CVE-2026-52924","CVE-2026-52989","CVE-2026-53086","CVE-2026-53131","CVE-2026-53176","CVE-2026-53212","CVE-2026-53225","CVE-2026-53228","CVE-2026-53359","UBUNTU-CVE-2026-31405","UBUNTU-CVE-2026-31414","UBUNTU-CVE-2026-31501","UBUNTU-CVE-2026-31589","UBUNTU-CVE-2026-31633","UBUNTU-CVE-2026-31636","UBUNTU-CVE-2026-31705","UBUNTU-CVE-2026-43198","UBUNTU-CVE-2026-43379","UBUNTU-CVE-2026-43465","UBUNTU-CVE-2026-43499","UBUNTU-CVE-2026-46113","UBUNTU-CVE-2026-46137","UBUNTU-CVE-2026-46242","UBUNTU-CVE-2026-46331","UBUNTU-CVE-2026-52924","UBUNTU-CVE-2026-52989","UBUNTU-CVE-2026-53086","UBUNTU-CVE-2026-53131","UBUNTU-CVE-2026-53176","UBUNTU-CVE-2026-53212","UBUNTU-CVE-2026-53225","UBUNTU-CVE-2026-53228","UBUNTU-CVE-2026-53359"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8636-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31405"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31414"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31501"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31589"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31633"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31636"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31705"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43198"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43379"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43465"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43499"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46113"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46137"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46242"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46331"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52924"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-52989"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53086"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53131"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53176"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53212"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53225"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53228"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-53359"}],"affected":[{"package":{"name":"linux-azure-6.17","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/linux-azure-6.17?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.17.0-1022.22"}]}],"versions":["6.17.0-1008.8~24.04.1","6.17.0-1010.10~24.04.1","6.17.0-1011.11~24.04.2","6.17.0-1013.13~24.04.1","6.17.0-1015.15~24.04.1","6.17.0-1017.17~24.04.1","6.17.0-1018.18~24.04.1","6.17.0-1020.20~24.04.1","6.17.0-1021.21~24.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"linux-azure-6.17-cloud-tools-6.17.0-1022","binary_version":"6.17.0-1022.22"},{"binary_version":"6.17.0-1022.22","binary_name":"linux-azure-6.17-headers-6.17.0-1022"},{"binary_name":"linux-azure-6.17-tools-6.17.0-1022","binary_version":"6.17.0-1022.22"},{"binary_name":"linux-buildinfo-6.17.0-1022-azure","binary_version":"6.17.0-1022.22"},{"binary_name":"linux-cloud-tools-6.17.0-1022-azure","binary_version":"6.17.0-1022.22"},{"binary_version":"6.17.0-1022.22","binary_name":"linux-headers-6.17.0-1022-azure"},{"binary_version":"6.17.0-1022.22","binary_name":"linux-image-unsigned-6.17.0-1022-azure"},{"binary_name":"linux-modules-6.17.0-1022-azure","binary_version":"6.17.0-1022.22"},{"binary_version":"6.17.0-1022.22","binary_name":"linux-modules-extra-6.17.0-1022-azure"},{"binary_version":"6.17.0-1022.22","binary_name":"linux-tools-6.17.0-1022-azure"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8636-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/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:H/A:H"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2026-31405"},{"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"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2026-31414"},{"id":"CVE-2026-31501","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/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":"medium"}]},{"id":"CVE-2026-31589","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"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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:H/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-31633"},{"severity":[{"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_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-31636"},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2026-31705"},{"id":"CVE-2026-43198","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-43379","severity":[{"score":"CVSS:4.0/AV:N/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"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-43465","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-2026-43499","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/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:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]},{"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-2026-46113"},{"id":"CVE-2026-46137","severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/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":"medium"}]},{"id":"CVE-2026-46242","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:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]},{"severity":[{"score":"CVSS:4.0/AV:L/AC:L/AT:N/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:H/UI:N/S:U/C:H/I:H/A:H"},{"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-2026-46331"},{"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H","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:H"},{"score":"high","type":"Ubuntu"}],"id":"CVE-2026-52924"},{"id":"CVE-2026-52989","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"},{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","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:H"},{"type":"Ubuntu","score":"critical"}]},{"id":"CVE-2026-53086","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"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"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"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-53176","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:A/AC:L/PR:N/UI:N/S:U/C:N/I:N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with Ubuntu Pro: 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