UBUNTU-CVE-2026-80820
Dashboard / Vulnerabilities / UBUNTU-CVE-2026-80820
Summary:
Details: In the Linux kernel, the following vulnerability has been resolved: xfs: don't livelock in scrub on a circular unlinked list LOLLM points out that online fsck can livelock if an unlinked inode list contains a loop. Use a bitmap to detect cycles.
References: https://ubuntu.com/security/CVE-2026-80820, https://www.cve.org/CVERecord?id=CVE-2026-80820, https://git.kernel.org/linus/527eaaefddb6ec5c83a06c9a1559960dd6361753
Affected packages
Package
Name: linux-azure
Purl: pkg:deb/ubuntu/linux-azure?arch=source&distro=esm-infra-legacy%2Ftrusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
4.15.0-1023.24~14.04.1
4.15.0-1030.31~14.04.1
4.15.0-1031.32~14.04.1
4.15.0-1032.33~14.04.2
4.15.0-1035.36~14.04.2
4.15.0-1036.38~14.04.2
4.15.0-1037.39~14.04.2
4.15.0-1039.41~14.04.2
4.15.0-1040.44~14.04.1
4.15.0-1041.45~14.04.1
4.15.0-1042.46~14.04.1
4.15.0-1045.49~14.04.1
4.15.0-1046.50~14.04.1
4.15.0-1047.51~14.04.1
4.15.0-1049.54~14.04.1
4.15.0-1050.55~14.04.1
4.15.0-1051.56~14.04.1
4.15.0-1052.57~14.04.1
4.15.0-1055.60~14.04.1
4.15.0-1056.61~14.04.1
4.15.0-1057.62~14.04.1
4.15.0-1059.64~14.04.1
4.15.0-1060.65~14.04.1
4.15.0-1061.66~14.04.1
4.15.0-1063.68~14.04.1
4.15.0-1064.69~14.04.1
4.15.0-1066.71~14.04.1
4.15.0-1067.72~14.04.1
4.15.0-1069.74~14.04.1
4.15.0-1071.76~14.04.1
4.15.0-1074.79~14.04.1
4.15.0-1077.82~14.04.1
4.15.0-1082.92~14.04.1
4.15.0-1083.93~14.04.1
4.15.0-1089.99~14.04.1
4.15.0-1091.101~14.04.1
4.15.0-1092.102~14.04.1
4.15.0-1093.103~14.04.1
4.15.0-1095.105~14.04.1
4.15.0-1096.106~14.04.1
4.15.0-1098.109~14.04.1
4.15.0-1100.111~14.04.1
4.15.0-1102.113~14.04.1
4.15.0-1103.114~14.04.1
4.15.0-1106.118~14.04.1
4.15.0-1108.120~14.04.1
4.15.0-1109.121~14.04.1
4.15.0-1110.122~14.04.1
4.15.0-1111.123~14.04.1
4.15.0-1112.124~14.04.1
4.15.0-1113.126~14.04.1
4.15.0-1114.127~14.04.1
4.15.0-1115.128~14.04.1
4.15.0-1118.131~14.04.1
4.15.0-1121.134~14.04.1
4.15.0-1122.135~14.04.1
4.15.0-1123.136~14.04.1
4.15.0-1124.137~14.04.1
4.15.0-1125.138~14.04.1
4.15.0-1126.139~14.04.1
4.15.0-1127.140~14.04.1
4.15.0-1129.142~14.04.1
4.15.0-1130.143~14.04.1
4.15.0-1131.144~14.04.1
4.15.0-1133.146~14.04.1
4.15.0-1134.147~14.04.1
4.15.0-1136.149~14.04.1
4.15.0-1137.150~14.04.1
4.15.0-1138.151~14.04.1
4.15.0-1139.152~14.04.1
4.15.0-1142.156~14.04.1
4.15.0-1145.160~14.04.1
4.15.0-1146.161~14.04.1
4.15.0-1149.164~14.04.1
4.15.0-1150.165~14.04.1
4.15.0-1151.166~14.04.1
4.15.0-1153.168~14.04.1
4.15.0-1157.172~14.04.2
4.15.0-1158.173~14.04.1
4.15.0-1159.174~14.04.1
4.15.0-1162.177~14.04.1
4.15.0-1163.178~14.04.1
4.15.0-1164.179~14.04.1
4.15.0-1165.180~14.04.1
4.15.0-1166.181~14.04.1
4.15.0-1167.182~14.04.1
4.15.0-1168.183~14.04.1
4.15.0-1169.184~14.04.1
4.15.0-1170.185~14.04.1
4.15.0-1171.186~14.04.1
4.15.0-1172.187~14.04.1
4.15.0-1173.188~14.04.1
4.15.0-1174.189~14.04.1
4.15.0-1175.190~14.04.1
4.15.0-1176.191~14.04.1
4.15.0-1177.192~14.04.1
4.15.0-1178.193~14.04.1
4.15.0-1179.194~14.04.1
4.15.0-1180.195~14.04.1
4.15.0-1181.196~14.04.1
4.15.0-1182.197~14.04.1
4.15.0-1183.198~14.04.1
4.15.0-1184.199~14.04.1
4.15.0-1185.200~14.04.1
4.15.0-1186.201~14.04.1
4.15.0-1187.202~14.04.1
4.15.0-1188.203~14.04.1
4.15.0-1189.204~14.04.1
4.15.0-1190.205~14.04.1
4.15.0-1191.206~14.04.1
4.15.0-1192.207~14.04.1
4.15.0-1193.208~14.04.1
4.15.0-1194.209~14.04.1
4.15.0-1195.210~14.04.1
4.15.0-1196.211~14.04.1
4.15.0-1197.212~14.04.1
4.15.0-1199.214~14.04.1
4.15.0-1200.215~14.04.1
4.15.0-1201.216~14.04.1
4.15.0-1202.217~14.04.1
4.15.0-1205.220~14.04.1
4.15.0-1206.221~14.04.1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
