{"id":"USN-8426-1","summary":"linux-azure-5.15, linux-azure-fips vulnerabilities","details":"It was discovered that the Linux kernel algif_aead module did not properly\nhandle in-place cryptographic operations. This flaw is known as Copy Fail.\nA local attacker could use this to escalate privileges, or possibly escape\na container. (CVE-2026-31431)\n\nIt was discovered that the Linux kernel did not properly handle shared page\nfragments during socket buffer operations, collectively known as Dirty\nFrag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the\nRxRPC networking subsystem when processing paged fragments. A local\nattacker could use this to escalate privileges, or possibly escape a\ncontainer. (CVE-2026-43284, CVE-2026-43500)\n\nIt was discovered that a logic flaw existed in the XFRM ESP-in-TCP\nsubsystem in the Linux kernel when handling socket buffer fragments. This\nflaw is known as Fragnesia. A local attacker could use this to escalate\nprivileges, or possibly escape a container. (CVE-2026-43503,\nCVE-2026-46300)\n\nQualys discovered that a race condition existed in the ptrace subsystem of\nthe Linux kernel when privileged processes are exiting. An unprivileged\nlocal attacker could use this issue to expose sensitive information.\n(CVE-2026-46333)\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  - Cryptographic API;\n  - Ethernet bonding driver;\n  - SMB network file system;\n  - Netfilter;\n  - io_uring subsystem;\n  - Packet sockets;\n  - RDS protocol;\n  - TLS protocol;\n(CVE-2024-35862, CVE-2024-50060, CVE-2026-23274, CVE-2026-23351,\nCVE-2026-31419, CVE-2026-31504, CVE-2026-31533, CVE-2026-43033,\nCVE-2026-43077, CVE-2026-43078, CVE-2026-43494, CVE-2026-46028)\n","modified":"2026-06-12T09:19:17.080575578Z","published":"2026-06-11T21:57:52Z","related":["UBUNTU-CVE-2024-35862","UBUNTU-CVE-2024-50060","UBUNTU-CVE-2026-23274","UBUNTU-CVE-2026-23351","UBUNTU-CVE-2026-31419","UBUNTU-CVE-2026-31431","UBUNTU-CVE-2026-31504","UBUNTU-CVE-2026-31533","UBUNTU-CVE-2026-43033","UBUNTU-CVE-2026-43077","UBUNTU-CVE-2026-43078","UBUNTU-CVE-2026-43284","UBUNTU-CVE-2026-43494","UBUNTU-CVE-2026-43500","UBUNTU-CVE-2026-43503","UBUNTU-CVE-2026-46028","UBUNTU-CVE-2026-46300","UBUNTU-CVE-2026-46333"],"upstream":["CVE-2024-35862","CVE-2024-50060","CVE-2026-23274","CVE-2026-23351","CVE-2026-31419","CVE-2026-31431","CVE-2026-31504","CVE-2026-31533","CVE-2026-43033","CVE-2026-43077","CVE-2026-43078","CVE-2026-43284","CVE-2026-43494","CVE-2026-43500","CVE-2026-43503","CVE-2026-46028","CVE-2026-46300","CVE-2026-46333","UBUNTU-CVE-2024-35862","UBUNTU-CVE-2024-50060","UBUNTU-CVE-2026-23274","UBUNTU-CVE-2026-23351","UBUNTU-CVE-2026-31419","UBUNTU-CVE-2026-31431","UBUNTU-CVE-2026-31504","UBUNTU-CVE-2026-31533","UBUNTU-CVE-2026-43033","UBUNTU-CVE-2026-43077","UBUNTU-CVE-2026-43078","UBUNTU-CVE-2026-43284","UBUNTU-CVE-2026-43494","UBUNTU-CVE-2026-43500","UBUNTU-CVE-2026-43503","UBUNTU-CVE-2026-46028","UBUNTU-CVE-2026-46300","UBUNTU-CVE-2026-46333"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8426-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-35862"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-50060"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-23274"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-23351"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31419"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31431"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31504"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-31533"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43033"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43077"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43078"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43284"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43494"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43500"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43503"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46028"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46300"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-46333"}],"affected":[{"package":{"name":"linux-azure-5.15","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/linux-azure-5.15?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1114.123~20.04.1"}]}],"versions":["5.15.0-1007.8~20.04.1","5.15.0-1008.9~20.04.1","5.15.0-1013.16~20.04.1","5.15.0-1014.17~20.04.1","5.15.0-1017.20~20.04.1","5.15.0-1019.24~20.04.1","5.15.0-1020.25~20.04.1","5.15.0-1021.26~20.04.1","5.15.0-1022.27~20.04.1","5.15.0-1023.29~20.04.1","5.15.0-1029.36~20.04.1","5.15.0-1030.37~20.04.1","5.15.0-1031.38~20.04.1","5.15.0-1033.40~20.04.1","5.15.0-1034.41~20.04.1","5.15.0-1035.42~20.04.1","5.15.0-1036.43~20.04.1","5.15.0-1037.44~20.04.1","5.15.0-1038.45~20.04.1","5.15.0-1039.46~20.04.1","5.15.0-1040.47~20.04.1","5.15.0-1041.48~20.04.1","5.15.0-1042.49~20.04.1","5.15.0-1043.50~20.04.1","5.15.0-1045.52~20.04.1","5.15.0-1046.53~20.04.1","5.15.0-1047.54~20.04.1","5.15.0-1049.56~20.04.1","5.15.0-1050.57~20.04.1","5.15.0-1051.59~20.04.1","5.15.0-1052.60~20.04.1","5.15.0-1053.61~20.04.1","5.15.0-1054.62~20.04.1","5.15.0-1056.64~20.04.1","5.15.0-1057.65~20.04.1","5.15.0-1058.66~20.04.2","5.15.0-1059.67~20.04.1","5.15.0-1060.69~20.04.1","5.15.0-1061.70~20.04.1","5.15.0-1063.72~20.04.1","5.15.0-1064.73~20.04.1","5.15.0-1065.74~20.04.1","5.15.0-1067.76~20.04.1","5.15.0-1068.77~20.04.1","5.15.0-1070.79~20.04.1","5.15.0-1071.80~20.04.1","5.15.0-1072.81~20.04.1","5.15.0-1073.82~20.04.1","5.15.0-1074.83~20.04.1","5.15.0-1075.84~20.04.1","5.15.0-1078.87~20.04.1","5.15.0-1079.88~20.04.1","5.15.0-1081.90~20.04.1","5.15.0-1082.91~20.04.1","5.15.0-1086.95~20.04.1","5.15.0-1087.96~20.04.1","5.15.0-1088.97~20.04.1","5.15.0-1089.98~20.04.1","5.15.0-1091.100~20.04.1","5.15.0-1094.103~20.04.1","5.15.0-1095.104~20.04.1","5.15.0-1096.105~20.04.1","5.15.0-1097.106~20.04.1","5.15.0-1098.107~20.04.1","5.15.0-1102.111~20.04.1","5.15.0-1103.112~20.04.1","5.15.0-1110.119~20.04.1","5.15.0-1111.120~20.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"5.15.0-1114.123~20.04.1","binary_name":"linux-azure-5.15-cloud-tools-5.15.0-1114"},{"binary_version":"5.15.0-1114.123~20.04.1","binary_name":"linux-azure-5.15-headers-5.15.0-1114"},{"binary_name":"linux-azure-5.15-tools-5.15.0-1114","binary_version":"5.15.0-1114.123~20.04.1"},{"binary_name":"linux-buildinfo-5.15.0-1114-azure","binary_version":"5.15.0-1114.123~20.04.1"},{"binary_version":"5.15.0-1114.123~20.04.1","binary_name":"linux-cloud-tools-5.15.0-1114-azure"},{"binary_name":"linux-headers-5.15.0-1114-azure","binary_version":"5.15.0-1114.123~20.04.1"},{"binary_version":"5.15.0-1114.123~20.04.1","binary_name":"linux-image-unsigned-5.15.0-1114-azure"},{"binary_version":"5.15.0-1114.123~20.04.1","binary_name":"linux-modules-5.15.0-1114-azure"},{"binary_version":"5.15.0-1114.123~20.04.1","binary_name":"linux-modules-extra-5.15.0-1114-azure"},{"binary_name":"linux-modules-involflt-5.15.0-1114-azure","binary_version":"5.15.0-1114.123~20.04.1"},{"binary_version":"5.15.0-1114.123~20.04.1","binary_name":"linux-tools-5.15.0-1114-azure"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2024-35862","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2024-50060","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-2026-23274","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-23351","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-31419","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-31431","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-31504","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-31533","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"}]},{"id":"CVE-2026-43033","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-43077","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-2026-43078","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-43284","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-43494","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-43500","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/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":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-43503","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-46028","severity":[{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-46300","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/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":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-46333","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8426-1.json"}},{"package":{"name":"linux-azure-fips","ecosystem":"Ubuntu:Pro:FIPS-updates:22.04:LTS","purl":"pkg:deb/ubuntu/linux-azure-fips?arch=source&distro=fips-updates%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1114.123+fips1"}]}],"versions":["5.15.0-1053.61+fips1","5.15.0-1058.66+fips1","5.15.0-1059.67+fips1","5.15.0-1060.69+fips1","5.15.0-1061.70+fips1","5.15.0-1063.72+fips1","5.15.0-1064.73+fips1","5.15.0-1065.74+fips1","5.15.0-1067.76+fips1","5.15.0-1068.77+fips1","5.15.0-1070.79+fips1","5.15.0-1071.80+fips1","5.15.0-1072.81+fips1","5.15.0-1073.82+fips1","5.15.0-1074.83+fips1","5.15.0-1075.84+fips1","5.15.0-1078.87+fips1","5.15.0-1079.88+fips1","5.15.0-1080.89+fips1","5.15.0-1082.91+fips1","5.15.0-1083.92+fips1","5.15.0-1085.94+fips1","5.15.0-1087.96+fips1","5.15.0-1088.97+fips1","5.15.0-1089.98+fips1","5.15.0-1090.99+fips1","5.1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with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"5.15.0-1114.123+fips1","binary_name":"linux-azure-fips-cloud-tools-5.15.0-1114"},{"binary_version":"5.15.0-1114.123+fips1","binary_name":"linux-azure-fips-headers-5.15.0-1114"},{"binary_name":"linux-azure-fips-tools-5.15.0-1114","binary_version":"5.15.0-1114.123+fips1"},{"binary_version":"5.15.0-1114.123+fips1","binary_name":"linux-buildinfo-5.15.0-1114-azure-fips"},{"binary_version":"5.15.0-1114.123+fips1","binary_name":"linux-cloud-tools-5.15.0-1114-azure-fips"},{"binary_version":"5.15.0-1114.123+fips1","binary_name":"linux-headers-5.15.0-1114-azure-fips"},{"binary_version":"5.15.0-1114.123+fips1","binary_name":"linux-image-unsigned-5.15.0-1114-azure-fips"},{"binary_name":"linux-image-unsigned-hmac-5.15.0-1114-azure-fips","binary_version":"5.15.0-1114.123+fips1"},{"binary_version":"5.15.0-1114.123+fips1","binary_name":"linux-modules-5.15.0-1114-azure-fips"},{"binary_version":"5.15.0-1114.123+fips1","binary_name":"linux-modules-extra-5.15.0-1114-azure-fips"},{"binary_version":"5.15.0-1114.123+fips1","binary_name":"linux-modules-involflt-5.15.0-1114-azure-fips"},{"binary_name":"linux-tools-5.15.0-1114-azure-fips","binary_version":"5.15.0-1114.123+fips1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:FIPS-updates:22.04:LTS","cves":[{"id":"CVE-2024-35862","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2024-50060","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-2026-23274","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-23351","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-31419","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-31431","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-31504","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-31533","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"}]},{"id":"CVE-2026-43033","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-43077","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-2026-43078","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-43284","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-43494","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-43500","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/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":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-43503","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-46028","severity":[{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-46300","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/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":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]},{"id":"CVE-2026-46333","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8426-1.json"}}],"schema_version":"1.7.5"}