Updated: 2023-12-06
CWE: Unspecified
Description:
Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn't have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713
CVSS3: 6.5
| OS | Vendor version | Errata |
|---|---|---|
| Ubuntu 18.04 | 4.15.0-169.177 | USN-5298-1 |
| Ubuntu 18.04 AWS | 4.15.0-1121.129 | USN-5298-1 |
| Debian 9 | 4.9.303-1 | DLA-2940-1 |
| Debian 8 backports | 4.9.303-1 | DLA-2940-1 |
| Amazon Linux 1 | 4.14.262-135.489.amzn1 | ALAS-2022-1563 |
| Amazon Linux 2 | 4.14.262-200.489.amzn2 | ALAS2-2022-1749 |
| Ubuntu 18.04 HWE Focal | 5.4.0-105.119~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 GCP | 4.15.0-1116.130 | USN-5298-1 |
| Debian 10 | 4.19.232-1 | DSA-5096-1 |
| Ubuntu 18.04 Azure | 4.15.0-1131.144 | USN-5298-1 |
| Debian 10 cloud | 4.19.232-1 | DSA-5096-1 |
| Debian 9 backports | 4.19.232-1~deb9u1 | DLA-2941-1 |
| Ubuntu 20.04 | 5.4.0-105.119 | USN-5338-1 |
| Ubuntu 18.04 AWS Focal | 5.4.0-1069.73~18.04.1 | USN-5338-1 |
| Ubuntu 18.04 Azure Focal | 5.4.0-1073.76~18.04.1 | USN-5338-1 |
| Ubuntu 20.04 AWS | 5.4.0-1069.73 | USN-5338-1 |
| Ubuntu 20.04 Azure | 5.4.0-1073.76 | USN-5338-1 |
| Ubuntu 16.04 HWE ESM | 4.15.0-169.177~16.04.1 | USN-5298-1 |
| Ubuntu 16.04 AWS ESM | 4.4.0-1155.170 | USN-6001-1 |
| Ubuntu 16.04 GCP ESM | 4.15.0-1116.130~16.04.1 | USN-5298-1 |
| Ubuntu 16.04 AWS HWE ESM | 4.15.0-1120.128~16.04.1 | USN-5298-1 |
| Ubuntu 16.04 Azure ESM | 4.15.0-1131.144~16.04.1 | USN-5298-1 |
| Debian 11 | 5.10.92-1 | DSA-5050-1 |
| Amazon Linux 2 5.4 | 5.4.172-90.336.amzn2 | ALAS2KERNEL-5.4-2022-021 |
| Amazon Linux 2 5.10 | 5.10.93-87.444.amzn2 | ALAS2KERNEL-5.10-2022-009 |
| OS | Original kernel version | State |
|---|---|---|
| Ubuntu 18.04 |
4.15.0-130.134
show all
hide all
4.15.0-100.101
4.15.0-107.108
4.15.0-116.117
4.15.0-128.131
4.15.0-153.160
4.15.0-20.21
4.15.0-29.31
4.15.0-35.38
4.15.0-38.41
4.15.0-48.51
4.15.0-53.57
4.15.0-56.62
4.15.0-59.66
4.15.0-62.69
4.15.0-63.72
4.15.0-71.80
4.15.0-73.82
4.15.0-75.85
4.15.0-90.91
4.15.0-162.170
4.15.0-166.174
4.15.0-121.123
4.15.0-132.136
4.15.0-129.132
4.15.0-54.58
4.15.0-42.45
4.15.0-161.169
4.15.0-70.79
4.15.0-109.110
4.15.0-64.73
4.15.0-115.116
4.15.0-52.56
4.15.0-106.107
4.15.0-33.36
4.15.0-74.84
4.15.0-123.126
4.15.0-144.148
4.15.0-60.67
4.15.0-136.140
4.15.0-76.86
4.15.0-108.109
4.15.0-91.92
4.15.0-44.47
4.15.0-24.26
4.15.0-112.113
4.15.0-51.55
4.15.0-36.39
4.15.0-34.37
4.15.0-151.157
4.15.0-159.167
4.15.0-126.129
4.15.0-118.119
4.15.0-147.151
4.15.0-69.78
4.15.0-39.42
4.15.0-97.98
4.15.0-47.50
4.15.0-58.64
4.15.0-140.144
4.15.0-154.161
4.15.0-139.143
4.15.0-65.74
4.15.0-163.171
4.15.0-43.46
4.15.0-117.118
4.15.0-32.35
4.15.0-122.124
4.15.0-72.81
4.15.0-143.147
4.15.0-167.175
4.15.0-46.49
4.15.0-23.25
4.15.0-55.60
4.15.0-99.100
4.15.0-142.146
4.15.0-88.88
4.15.0-141.145
4.15.0-50.54
4.15.0-22.24
4.15.0-30.32
4.15.0-156.163
4.15.0-101.102
4.15.0-94.95
4.15.0-137.141
4.15.0-96.97
4.15.0-66.75
4.15.0-111.112
4.15.0-124.127
4.15.0-125.128
4.15.0-134.138
4.15.0-158.166
4.15.0-31.33
4.15.0-45.48
4.15.0-135.139
|
Will Not Fix |
| Ubuntu 18.04 AWS |
4.15.0-1021.21
show all
hide all
4.15.0-1047.49
4.15.0-1080.84
4.15.0-1052.54
4.15.0-1063.67
4.15.0-1083.87
4.15.0-1027.27
4.15.0-1079.83
4.15.0-1031.33
4.15.0-1102.109
4.15.0-1032.34
4.15.0-1054.56
4.15.0-1076.80
4.15.0-1118.125
4.15.0-1023.23
4.15.0-1093.99
4.15.0-1095.102
4.15.0-1111.118
4.15.0-1112.119
4.15.0-1077.81
4.15.0-1092.98
4.15.0-1098.105
4.15.0-1099.106
4.15.0-1029.30
4.15.0-1050.52
4.15.0-1060.62
4.15.0-1067.71
4.15.0-1097.104
4.15.0-1103.110
4.15.0-1110.117
4.15.0-1091.96
4.15.0-1114.121
4.15.0-1056.58
4.15.0-1094.101
4.15.0-1096.103
4.15.0-1109.116
4.15.0-1073.77
4.15.0-1035.37
4.15.0-1057.59
4.15.0-1058.60
4.15.0-1065.69
4.15.0-1034.36
4.15.0-1037.39
4.15.0-1044.46
4.15.0-1048.50
4.15.0-1087.92
4.15.0-1090.95
4.15.0-1101.108
4.15.0-1115.122
4.15.0-1033.35
4.15.0-1039.41
4.15.0-1041.43
4.15.0-1043.45
4.15.0-1051.53
4.15.0-1066.70
4.15.0-1082.86
4.15.0-1086.91
4.15.0-1088.93
4.15.0-1116.123
4.15.0-1040.42
4.15.0-1045.47
4.15.0-1106.113
4.15.0-1119.127
|
Will Not Fix |
| Ubuntu 16.04 HWE |
4.15.0-42.45~16.04.1
show all
hide all
4.15.0-65.74~16.04.1
4.15.0-64.73~16.04.1
4.15.0-24.26~16.04.1
4.15.0-34.37~16.04.1
4.15.0-107.108~16.04.1
4.15.0-76.86~16.04.1
4.15.0-112.113~16.04.1
4.15.0-47.50~16.04.1
4.15.0-118.119~16.04.1
4.15.0-39.42~16.04.1
4.15.0-46.49~16.04.1
4.15.0-58.64~16.04.1
4.15.0-72.81~16.04.1
4.15.0-69.78~16.04.1
4.15.0-142.146~16.04.1
4.15.0-33.36~16.04.1
4.15.0-45.48~16.04.1
4.15.0-74.83~16.04.1
4.15.0-30.32~16.04.1
4.15.0-60.67~16.04.1
4.15.0-36.39~16.04.1
4.15.0-101.102~16.04.1
4.15.0-137.141~16.04.1
4.15.0-99.100~16.04.1
4.15.0-120.122~16.04.1
4.15.0-126.129~16.04.1
4.15.0-96.97~16.04.1
4.15.0-122.124~16.04.1
4.15.0-123.126~16.04.1
4.15.0-133.137~16.04.1
4.15.0-50.54~16.04.1
4.15.0-52.56~16.04.1
4.15.0-55.60~16.04.2
4.15.0-66.75~16.04.1
4.15.0-88.88~16.04.1
4.15.0-91.92~16.04.1
4.15.0-115.116~16.04.1
4.15.0-117.118~16.04.1
4.15.0-129.132~16.04.1
4.15.0-51.55~16.04.1
4.15.0-54.58~16.04.1
4.15.0-125.128~16.04.1
4.15.0-128.131~16.04.1
4.15.0-29.31~16.04.1
4.15.0-35.38~16.04.1
4.15.0-38.41~16.04.1
4.15.0-48.51~16.04.1
4.15.0-59.66~16.04.1
4.15.0-62.69~16.04.1
4.15.0-106.107~16.04.1
4.15.0-136.140~16.04.1
4.15.0-70.79~16.04.1
4.15.0-132.136~16.04.1
4.15.0-140.144~16.04.1
4.15.0-32.35~16.04.1
4.15.0-43.46~16.04.1
4.15.0-139.143~16.04.1
|
Will Not Fix |
| Ubuntu 16.04 AWS HWE |
4.15.0-1080.84~16.04.1
show all
hide all
4.15.0-1051.53~16.04.1
4.15.0-1094.101~16.04.1
4.15.0-1082.86~16.04.1
4.15.0-1050.52~16.04.1
4.15.0-1066.70~16.04.1
4.15.0-1074.78~16.04.1
4.15.0-1083.87~16.04.1
4.15.0-1093.99~16.04.1
4.15.0-1095.102~16.04.1
4.15.0-1088.93~16.04.1
4.15.0-1039.41~16.04.1
4.15.0-1054.56~16.04.1
4.15.0-1060.62~16.04.1
4.15.0-1098.105~16.04.1
4.15.0-1067.71~16.04.1
4.15.0-1063.67~16.04.1
4.15.0-1033.35~16.04.1
4.15.0-1041.43~16.04.1
4.15.0-1058.60~16.04.1
4.15.0-1091.96~16.04.1
4.15.0-1096.103~16.04.1
4.15.0-1056.58~16.04.1
4.15.0-1032.34~16.04.1
4.15.0-1040.42~16.04.1
4.15.0-1065.69~16.04.1
4.15.0-1097.104~16.04.1
4.15.0-1030.31~16.04.1
4.15.0-1036.38~16.04.1
4.15.0-1044.46~16.04.1
4.15.0-1048.50~16.04.1
4.15.0-1090.95~16.04.1
4.15.0-1047.49~16.04.1
4.15.0-1085.90~16.04.1
4.15.0-1031.33~16.04.1
4.15.0-1035.37~16.04.1
4.15.0-1043.45~16.04.1
4.15.0-1045.47~16.04.1
4.15.0-1057.59~16.04.1
4.15.0-1073.77~16.04.1
4.15.0-1079.83~16.04.1
4.15.0-1099.106~16.04.1
4.15.0-1052.54~16.04.1
|
Will Not Fix |
| Debian 9 |
4.9.210-1
show all
hide all
4.9.82-1+deb9u2
4.9.168-1+deb9u2
4.9.107-1
4.9.110-3+deb9u3
4.9.189-3+deb9u1
4.9.240-1
4.9.210-1+deb9u1
4.9.30-2+deb9u1
4.9.168-1+deb9u5
4.9.168-1+deb9u4
4.9.110-3+deb9u2
4.9.168-1+deb9u3
4.9.88-1
4.9.110-3+deb9u1
4.9.290-1
4.9.88-1+deb9u1
4.9.246-1
4.9.51-1
4.9.110-1
4.9.30-2+deb9u5
4.9.258-1
4.9.272-2
4.9.30-2+deb9u4
4.9.65-1
4.9.80-1
4.9.189-3+deb9u2
4.9.65-3+deb9u1
4.9.130-1
4.9.228-1
4.9.30-2+deb9u3
4.9.110-2
4.9.110-3+deb9u4
4.9.110-3
4.9.130-2
4.9.144-2
4.9.144-3.1
4.9.144-3
4.9.189-3
4.9.240-2
4.9.246-2
4.9.30-2+deb9u2
4.9.30-2
4.9.65-3+deb9u2
4.9.65-3
4.9.80-2
4.9.82-1+deb9u3
4.9.168-1
4.9.110-3+deb9u5
4.9.110-3+deb9u6
4.9.135-1
4.9.272-1
|
Will Not Fix |
| Debian 8 backports |
4.9.189-3~deb8u1
show all
hide all
4.9.110-1~deb8u1
4.9.144-3.1~deb8u1
4.9.110-3+deb9u4~deb8u1
4.9.110-3+deb9u1~deb8u1
4.9.110-3+deb9u5~deb8u1
4.9.168-1+deb9u3~deb8u1
4.9.168-1+deb9u4~deb8u1
4.9.168-1+deb9u5~deb8u1
4.9.189-3+deb9u1~deb8u1
4.9.189-3+deb9u2~deb8u1
4.9.210-1+deb9u1~deb8u1
4.9.210-1~deb8u1
4.9.30-2+deb9u2~bpo8+1
4.9.30-2+deb9u5~bpo8+1
4.9.30-2~bpo8+1
4.9.51-1~bpo8+1
4.9.65-3+deb9u1~bpo8+1
4.9.65-3+deb9u2~bpo8+1
4.9.65-3~bpo8+1
4.9.82-1+deb9u3~bpo8+1
4.9.88-1+deb9u1~bpo8+1
4.9.88-1~bpo8+1
4.9.110-3+deb9u2~deb8u1
|
Will Not Fix |
| Amazon Linux 1 |
4.14.152-98.182.amzn1
show all
hide all
4.14.106-79.86.amzn1
4.14.133-88.105.amzn1
4.14.121-85.96.amzn1
4.14.133-88.112.amzn1
4.14.146-93.123.amzn1
4.14.165-102.185.amzn1
4.14.200-116.320.amzn1
4.14.77-69.57.amzn1
4.14.104-78.84.amzn1
4.14.171-105.231.amzn1
4.14.214-118.339.amzn1
4.14.232-123.381.amzn1
4.14.248-129.473.amzn1
4.14.123-86.109.amzn1
4.14.173-106.229.amzn1
4.14.177-107.254.amzn1
4.14.186-110.268.amzn1
4.14.209-117.337.amzn1
4.14.219-119.340.amzn1
4.14.238-125.422.amzn1
4.14.101-75.76.amzn1
4.14.114-82.97.amzn1
4.14.114-83.126.amzn1
4.14.154-99.181.amzn1
4.14.181-108.257.amzn1
4.14.238-125.421.amzn1
4.14.203-116.332.amzn1
4.14.62-65.117.amzn1
4.14.94-73.73.amzn1
4.14.143-91.122.amzn1
4.14.225-121.357.amzn1
4.14.72-68.55.amzn1
4.14.109-80.92.amzn1
4.14.128-87.105.amzn1
4.14.138-89.102.amzn1
4.14.165-103.209.amzn1
4.14.193-113.317.amzn1
4.14.225-121.362.amzn1
4.14.252-131.483.amzn1
4.14.70-67.55.amzn1
4.14.77-70.82.amzn1
4.14.97-74.72.amzn1
|
Will Not Fix |
| Amazon Linux 2 | |
Ready For Release |
| Ubuntu 18.04 HWE Focal | |
Ready For Release |
| Ubuntu 18.04 GCP |
4.15.0-1010.10
show all
hide all
4.15.0-1044.70
4.15.0-1015.15
4.15.0-1025.26
4.15.0-1042.45
4.15.0-1018.19
4.15.0-1024.25
4.15.0-1029.31
4.15.0-1026.27
4.15.0-1009.9
4.15.0-1017.18
4.15.0-1021.22
4.15.0-1028.29
4.15.0-1032.34
4.15.0-1008.8
4.15.0-1034.36
4.15.0-1036.38
4.15.0-1006.6
4.15.0-1014.14
4.15.0-1030.32
4.15.0-1042.44
4.15.0-1044.46
4.15.0-1040.42
4.15.0-1027.28
4.15.0-1037.39
4.15.0-1033.35
4.15.0-1019.20
|
Will Not Fix |
| Ubuntu 16.04 GCP |
4.15.0-1032.34~16.04.1
show all
hide all
4.15.0-1095.108~16.04.1
4.15.0-1024.25~16.04.2
4.15.0-1040.42~16.04.1
4.15.0-1081.92~16.04.1
4.15.0-1071.81~16.04.1
4.15.0-1021.22~16.04.1
4.15.0-1088.101~16.04.1
4.15.0-1092.105~16.04.1
4.15.0-1019.20~16.04.1
4.15.0-1084.95~16.04.1
4.15.0-1086.98~16.04.1
4.15.0-1036.38~16.04.1
4.15.0-1080.90~16.04.1
4.15.0-1017.18~16.04.1
4.15.0-1018.19~16.04.2
4.15.0-1029.31~16.04.1
4.15.0-1028.29~16.04.1
4.15.0-1033.35~16.04.1
4.15.0-1094.107~16.04.1
4.15.0-1093.106~16.04.1
4.15.0-1078.88~16.04.1
4.15.0-1014.14~16.04.1
4.15.0-1083.94~16.04.1
4.15.0-1026.27~16.04.1
4.15.0-1091.104~16.04.1
4.15.0-1096.109~16.04.1
4.15.0-1097.110~16.04.1
4.15.0-1025.26~16.04.1
4.15.0-1034.36~16.04.1
4.15.0-1027.28~16.04.1
4.15.0-1015.15~16.04.1
4.15.0-1037.39~16.04.1
4.15.0-1077.87~16.04.1
4.15.0-1087.100~16.04.1
4.15.0-1090.103~16.04.1
4.15.0-1098.111~16.04.1
|
Will Not Fix |
| Debian 10 |
4.19.118-2+deb10u1
show all
hide all
4.19.67-2+deb10u1
4.19.67-2
4.19.98-1
4.19.37-5
4.19.37-5+deb10u2
4.19.67-2+deb10u2
4.19.98-1+deb10u1
4.19.118-2
4.19.160-2
4.19.132-1
4.19.146-1
4.19.152-1
4.19.171-2
4.19.181-1
4.19.37-5+deb10u1
4.19.194-1
4.19.194-2
4.19.194-3
4.19.208-1
|
Released |
| Proofpoint | |
Ready For Release |
| Ubuntu 18.04 Azure |
4.15.0-1037.39
show all
hide all
4.15.0-1014.14
4.15.0-1031.32
4.15.0-1025.26
4.15.0-1012.12
4.15.0-1021.21
4.15.0-1022.23
4.15.0-1009.9
4.15.0-1018.18
4.15.0-1028.29
4.15.0-1030.31
4.15.0-1032.33
4.15.0-1035.36
4.15.0-1013.13
4.15.0-1019.19
4.15.0-1023.24
4.15.0-1036.38
|
Will Not Fix |
| Ubuntu 16.04 Azure |
4.15.0-1018.18~16.04.1
show all
hide all
4.15.0-1028.29~16.04.1
4.15.0-1030.31~16.04.1
4.15.0-1111.123~16.04.1
4.15.0-1047.51
4.15.0-1040.44
4.15.0-1032.33~16.04.1
4.15.0-1039.43
4.15.0-1042.46
4.15.0-1050.55
4.15.0-1052.57
4.15.0-1057.62
4.15.0-1069.74
4.15.0-1102.113~16.04.1
4.15.0-1041.45
4.15.0-1060.65
4.15.0-1036.38~16.04.1
4.15.0-1051.56
4.15.0-1025.26~16.04.1
4.15.0-1061.66
4.15.0-1066.71
4.15.0-1056.61
4.15.0-1108.120~16.04.1
4.15.0-1113.126~16.04.1
4.15.0-1049.54
4.15.0-1019.19~16.04.1
4.15.0-1037.39~16.04.1
4.15.0-1092.102~16.04.1
4.15.0-1093.103~16.04.1
4.15.0-1071.76
4.15.0-1082.92~16.04.1
4.15.0-1103.114~16.04.1
4.15.0-1110.122~16.04.1
4.15.0-1014.14~16.04.1
4.15.0-1022.22~16.04.1
4.15.0-1067.72
4.15.0-1077.82
4.15.0-1109.121~16.04.1
4.15.0-1035.36~16.04.1
4.15.0-1055.60
4.15.0-1021.21~16.04.1
4.15.0-1031.32~16.04.1
4.15.0-1045.49
4.15.0-1059.64
4.15.0-1063.68
4.15.0-1075.80
4.15.0-1089.99~16.04.1
4.15.0-1098.109~16.04.1
4.15.0-1100.111~16.04.1
4.15.0-1013.13~16.04.2
4.15.0-1046.50
4.15.0-1064.69
4.15.0-1083.93~16.04.1
4.15.0-1091.101~16.04.1
4.15.0-1095.105~16.04.1
4.15.0-1096.106~16.04.1
4.15.0-1106.118~16.04.1
4.15.0-1112.124~16.04.1
4.15.0-1023.24~16.04.1
|
Will Not Fix |
| Debian 10 cloud |
4.19.118-2+deb10u1
show all
hide all
4.19.160-2
4.19.118-2
4.19.132-1
4.19.146-1
4.19.152-1
4.19.67-2+deb10u2
4.19.98-1+deb10u1
4.19.171-2
4.19.181-1
4.19.194-1
4.19.194-2
4.19.194-3
4.19.208-1
|
Released |
| Debian 9 backports |
4.19.67-2+deb10u2~bpo9+1
show all
hide all
4.19.146-1~deb9u1
4.19.152-1~deb9u1
4.19.118-2+deb10u1~bpo9+1
4.19.98-1~bpo9+1
4.19.132-1~deb9u2
4.19.160-2~deb9u1
4.19.171-2~deb9u1
4.19.181-1~deb9u1
4.19.194-1~deb9u1
4.19.194-3~deb9u1
4.19.208-1~deb9u1
|
Released |
| Ubuntu 20.04 | |
Ready For Release |
| Ubuntu 18.04 AWS Focal | |
Ready For Release |
| Ubuntu 18.04 Azure Focal | |
Ready For Release |
| Ubuntu 20.04 AWS | |
Ready For Release |
| Ubuntu 20.04 Azure | |
Ready For Release |
| Ubuntu 16.04 HWE ESM | |
Ready For Release |
| Ubuntu 16.04 AWS ESM | |
Will Not Fix |
| Ubuntu 16.04 GCP ESM | |
Ready For Release |
| Ubuntu 16.04 AWS HWE ESM | |
Ready For Release |
| Ubuntu 16.04 Azure ESM | |
Ready For Release |
| Debian 11 |
5.10.84-1
show all
hide all
5.10.70-1
5.10.46-5
5.10.46-4
|
Will Not Fix |
| Amazon Linux 2 5.4 |
5.4.105-48.177.amzn2
show all
hide all
5.4.110-54.182.amzn2
5.4.110-54.189.amzn2
5.4.117-58.216.amzn2
5.4.149-73.259.amzn2
5.4.156-83.273.amzn2
5.4.162-86.275.amzn2
|
Will Not Fix |
| Amazon Linux 2 5.10 |
5.10.75-79.358.amzn2
show all
hide all
5.10.82-83.359.amzn2
|
Will Not Fix |