{"id":"USN-7455-5","summary":"linux-aws-5.15 vulnerabilities","details":"Jann Horn discovered that the watch_queue event notification subsystem in\nthe Linux kernel contained an out-of-bounds write vulnerability. A local\nattacker could use this to cause a denial of service (system crash) or\nescalate their privileges. (CVE-2022-0995)\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  - iSCSI Boot Firmware Table Attributes driver;\n  - Network drivers;\n  - File systems infrastructure;\n  - NTFS3 file system;\n  - Ethernet bridge;\n  - Ethtool driver;\n  - IPv6 networking;\n  - Network traffic control;\n  - VMware vSockets driver;\n(CVE-2024-26837, CVE-2025-21993, CVE-2025-21702, CVE-2024-50248,\nCVE-2024-46826, CVE-2024-50256, CVE-2025-21703, CVE-2025-21700,\nCVE-2025-21756, CVE-2025-21701, CVE-2024-56651)\n","modified":"2026-04-27T17:32:33.765254520Z","published":"2025-04-29T07:33:44Z","related":["UBUNTU-CVE-2022-0995","UBUNTU-CVE-2024-26837","UBUNTU-CVE-2024-46826","UBUNTU-CVE-2024-50248","UBUNTU-CVE-2024-50256","UBUNTU-CVE-2024-56651","UBUNTU-CVE-2025-21700","UBUNTU-CVE-2025-21701","UBUNTU-CVE-2025-21702","UBUNTU-CVE-2025-21703","UBUNTU-CVE-2025-21756","UBUNTU-CVE-2025-21993"],"upstream":["CVE-2022-0995","CVE-2024-26837","CVE-2024-46826","CVE-2024-50248","CVE-2024-50256","CVE-2024-56651","CVE-2025-21700","CVE-2025-21701","CVE-2025-21702","CVE-2025-21703","CVE-2025-21756","CVE-2025-21993","UBUNTU-CVE-2022-0995","UBUNTU-CVE-2024-26837","UBUNTU-CVE-2024-46826","UBUNTU-CVE-2024-50248","UBUNTU-CVE-2024-50256","UBUNTU-CVE-2024-56651","UBUNTU-CVE-2025-21700","UBUNTU-CVE-2025-21701","UBUNTU-CVE-2025-21702","UBUNTU-CVE-2025-21703","UBUNTU-CVE-2025-21756","UBUNTU-CVE-2025-21993"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7455-5"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-0995"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-26837"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-46826"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-50248"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-50256"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-56651"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-21700"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-21701"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-21702"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-21703"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-21756"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-21993"}],"affected":[{"package":{"name":"linux-aws-5.15","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux-aws-5.15@5.15.0-1082.89~20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.0-1082.89~20.04.1"}]}],"versions":["5.15.0-1014.18~20.04.1","5.15.0-1015.19~20.04.1","5.15.0-1017.21~20.04.1","5.15.0-1019.23~20.04.1","5.15.0-1020.24~20.04.1","5.15.0-1021.25~20.04.1","5.15.0-1022.26~20.04.1","5.15.0-1023.27~20.04.1","5.15.0-1026.30~20.04.2","5.15.0-1027.31~20.04.1","5.15.0-1028.32~20.04.1","5.15.0-1030.34~20.04.1","5.15.0-1031.35~20.04.1","5.15.0-1033.37~20.04.1","5.15.0-1034.38~20.04.1","5.15.0-1035.39~20.04.1","5.15.0-1036.40~20.04.1","5.15.0-1037.41~20.04.1","5.15.0-1038.43~20.04.1","5.15.0-1039.44~20.04.1","5.15.0-1040.45~20.04.1","5.15.0-1041.46~20.04.1","5.15.0-1043.48~20.04.1","5.15.0-1044.49~20.04.1","5.15.0-1045.50~20.04.1","5.15.0-1047.52~20.04.1","5.15.0-1048.53~20.04.1","5.15.0-1049.54~20.04.1","5.15.0-1050.55~20.04.1","5.15.0-1051.56~20.04.1","5.15.0-1052.57~20.04.1","5.15.0-1053.58~20.04.1","5.15.0-1055.60~20.04.1","5.15.0-1056.61~20.04.1","5.15.0-1057.63~20.04.1","5.15.0-1058.64~20.04.1","5.15.0-1061.67~20.04.1","5.15.0-1062.68~20.04.1","5.15.0-1063.69~20.04.1","5.15.0-1064.70~20.04.1","5.15.0-1065.71~20.04.1","5.15.0-1066.72~20.04.1","5.15.0-1067.73~20.04.1","5.15.0-1068.74~20.04.1","5.15.0-1069.75~20.04.1","5.15.0-1070.76~20.04.1","5.15.0-1071.77~20.04.1","5.15.0-1072.78~20.04.1","5.15.0-1073.79~20.04.1","5.15.0-1075.82~20.04.1","5.15.0-1077.84~20.04.1","5.15.0-1080.87~20.04.1","5.15.0-1081.88~20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-aws-5.15-cloud-tools-5.15.0-1082"},{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-aws-5.15-headers-5.15.0-1082"},{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-aws-5.15-tools-5.15.0-1082"},{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-buildinfo-5.15.0-1082-aws"},{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-cloud-tools-5.15.0-1082-aws"},{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-headers-5.15.0-1082-aws"},{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-image-unsigned-5.15.0-1082-aws"},{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-modules-5.15.0-1082-aws"},{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-modules-extra-5.15.0-1082-aws"},{"binary_version":"5.15.0-1082.89~20.04.1","binary_name":"linux-tools-5.15.0-1082-aws"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7455-5.json","cves_map":{"cves":[{"id":"CVE-2022-0995","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-2024-26837","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2024-46826","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2024-50248","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2024-50256","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2024-56651","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":"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":"medium"}]},{"id":"CVE-2025-21700","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":"medium"}]},{"id":"CVE-2025-21701","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-21702","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/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":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-21703","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-2025-21756","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":"medium"}]},{"id":"CVE-2025-21993","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.5"}