{"id":"USN-8121-1","aliases":[],"status":"published","title":"linux-aws-fips vulnerability","description":"Qualys discovered that several vulnerabilities existed in the AppArmor\nLinux kernel Security Module (LSM). An unprivileged local attacker could\nuse these issues to load, replace, and remove arbitrary AppArmor profiles\ncausing denial of service, exposure of sensitive information (kernel\nmemory), local privilege escalation, or possibly escape a container.\n(LP: #2143853)","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-03-24T18:11:30Z","modified":"2026-03-25T18:23:53Z","fixes":[{"ecosystem":"Ubuntu:Pro:FIPS-updates:20.04:LTS","package":"linux-aws-fips","fixed_in":["5.4.0-1156.166+fips1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:FIPS-updates:20.04:LTS","package":"linux-aws-fips","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-1156.166+fips1"}]}],"versions":["5.4.0-1021.21+fips2","5.4.0-1069.73+fips2","5.4.0-1071.76+fips1","5.4.0-1072.77+fips1","5.4.0-1073.78+fips1","5.4.0-1078.84+fips1","5.4.0-1080.87+fips1","5.4.0-1081.88+fips1","5.4.0-1083.90+fips1","5.4.0-1085.92+fips1","5.4.0-1086.93+fips1","5.4.0-1088.96+fips1","5.4.0-1089.97+fips1","5.4.0-1092.100+fips1","5.4.0-1093.101+fips1","5.4.0-1094.102+fips1","5.4.0-1096.104+fips1","5.4.0-1099.107+fips1","5.4.0-1100.108+fips1","5.4.0-1101.109+fips1","5.4.0-1102.110+fips1","5.4.0-1103.111+fips1","5.4.0-1104.112+fips1","5.4.0-1105.113+fips1","5.4.0-1106.114+fips1","5.4.0-1107.115+fips1","5.4.0-1108.116+fips1","5.4.0-1109.118+fips1","5.4.0-1110.119+fips1","5.4.0-1111.120+fips1","5.4.0-1112.121+fips1","5.4.0-1113.123+fips1","5.4.0-1114.124+fips1","5.4.0-1116.126+fips1","5.4.0-1117.127+fips1","5.4.0-1118.128+fips1","5.4.0-1119.129+fips1","5.4.0-1120.130+fips1","5.4.0-1121.131+fips1","5.4.0-1122.132+fips1","5.4.0-1123.133+fips1","5.4.0-1124.134+fips1","5.4.0-1125.135+fips1","5.4.0-1126.136+fips2","5.4.0-1127.137+fips1","5.4.0-1128.138+fips1","5.4.0-1129.139+fips1","5.4.0-1130.140+fips1","5.4.0-1131.141+fips1","5.4.0-1132.142+fips1","5.4.0-1133.143+fips1","5.4.0-1134.144+fips1","5.4.0-1135.145+fips1","5.4.0-1136.146+fips1","5.4.0-1137.147+fips1","5.4.0-1139.149+fips1","5.4.0-1140.151+fips1","5.4.0-1142.153+fips1","5.4.0-1144.155+fips1","5.4.0-1145.156+fips1","5.4.0-1146.156+fips1","5.4.0-1147.157+fips1","5.4.0-1148.158+fips1","5.4.0-1149.159+fips1","5.4.0-1150.160+fips1","5.4.0-1151.161+fips1","5.4.0-1152.162+fips1","5.4.0-1153.163+fips1","5.4.0-1154.164+fips1","5.4.0-1155.165+fips1"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-8121-1","tags":["advisory"]},{"url":"https://launchpad.net/bugs/2143853","tags":["report"]}],"sources":{"osv":[{"id":"USN-8121-1","title":"linux-aws-fips vulnerability","description":"Qualys discovered that several vulnerabilities existed in the AppArmor\nLinux kernel Security Module (LSM). An unprivileged local attacker could\nuse these issues to load, replace, and remove arbitrary AppArmor profiles\ncausing denial of service, exposure of sensitive information (kernel\nmemory), local privilege escalation, or possibly escape a container.\n(LP: #2143853)\n","status":"published","published":"2026-03-24T18:11:30Z","modified":"2026-03-25T18:23:53.877309Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}