CVE-2018-9422
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead...
7.8 HighFix available
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
0.22%Unchanged since Apr 14, 2021
What each source reports
NVD Score used
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
- Record
CVE-2018-9422- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
- Record
CVE-2018-9422- Updated
- 2026-11-02
EUVDEUVD-2018-21016 No score
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
- Record
EUVD-2018-21016- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7jfq-4vfx-p3rg
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead...
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
- Record
GHSA-7jfq-4vfx-p3rg- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSV
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
- Record
CVE-2018-9422- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-9422
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
- Record
DEBIAN-CVE-2018-9422- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-9422
In get_futex_key of futex.c, there is a use-after-free due to improper locking. This could lead to local escalation of privilege with no additional privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74250718 References: Upstream kernel.
- Record
UBUNTU-CVE-2018-9422- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-06
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linuxDebian:12 |
before 4.6.1-1 | 4.6.1-1 |
linuxDebian:13 |
before 4.6.1-1 | 4.6.1-1 |
linuxDebian:14 |
before 4.6.1-1 | 4.6.1-1 |
linuxDebian:8 From an advisory covering 13 CVEs |
before 3.16.57-1, plus listed versions 3.16.36-13.16.36-1+deb8u13.16.36-1+deb8u1~bpo70+13.16.36-1+deb8u23.16.36-1+deb8u2~bpo70+1 Show 45 moreShow less3.16.39-13.16.39-1+deb8u13.16.39-1+deb8u1~bpo70+13.16.39-1+deb8u1~bpo70+1+gcc4.43.16.39-1+deb8u23.16.39-1~bpo70+13.16.43-13.16.43-23.16.43-2+deb8u13.16.43-2+deb8u23.16.43-2+deb8u33.16.43-2+deb8u43.16.43-2+deb8u53.16.48-13.16.51-13.16.51-23.16.51-33.16.51-3+deb8u13.16.56-13.16.56-1+deb8u13.16.7-ckt11-13.16.7-ckt11-1+deb8u13.16.7-ckt11-1+deb8u23.16.7-ckt11-1+deb8u2~bpo70+13.16.7-ckt11-1+deb8u33.16.7-ckt11-1+deb8u3~bpo70+13.16.7-ckt11-1+deb8u43.16.7-ckt11-1+deb8u4~bpo70+13.16.7-ckt11-1+deb8u53.16.7-ckt11-1+deb8u63.16.7-ckt11-1+deb8u6~bpo70+13.16.7-ckt11-1~bpo70+13.16.7-ckt17-13.16.7-ckt20-13.16.7-ckt20-1+deb8u13.16.7-ckt20-1+deb8u23.16.7-ckt20-1+deb8u2~bpo70+13.16.7-ckt20-1+deb8u33.16.7-ckt20-1+deb8u3~bpo70+13.16.7-ckt20-1+deb8u43.16.7-ckt20-1+deb8u4~bpo70+13.16.7-ckt25-13.16.7-ckt25-1~bpo70+13.16.7-ckt25-23.16.7-ckt25-2+deb8u1 |
3.16.57-1 |
linux-awsUbuntu:14.04:LTS |
before 4.4.0-1022.22, plus listed versions 4.4.0-1002.24.4.0-1003.34.4.0-1005.54.4.0-1006.64.4.0-1009.9 Show 7 moreShow less4.4.0-1010.104.4.0-1011.114.4.0-1012.124.4.0-1014.144.4.0-1016.164.4.0-1017.174.4.0-1019.19 |
4.4.0-1022.22 |
linux-lts-xenialUbuntu:14.04:LTS |
before 4.4.0-127.153~14.04.1, plus listed versions 4.4.0-13.29~14.04.14.4.0-14.30~14.04.24.4.0-15.31~14.04.14.4.0-18.34~14.04.14.4.0-21.37~14.04.1 Show 45 moreShow less4.4.0-22.39~14.04.14.4.0-22.40~14.04.14.4.0-24.43~14.04.14.4.0-28.47~14.04.14.4.0-31.50~14.04.14.4.0-34.53~14.04.14.4.0-36.55~14.04.14.4.0-38.57~14.04.14.4.0-42.62~14.04.14.4.0-45.66~14.04.14.4.0-47.68~14.04.14.4.0-51.72~14.04.14.4.0-53.74~14.04.14.4.0-57.78~14.04.14.4.0-59.80~14.04.14.4.0-62.83~14.04.14.4.0-63.84~14.04.24.4.0-64.85~14.04.14.4.0-66.87~14.04.14.4.0-67.88~14.04.14.4.0-70.91~14.04.14.4.0-71.92~14.04.14.4.0-72.93~14.04.14.4.0-75.96~14.04.14.4.0-78.99~14.04.24.4.0-79.100~14.04.14.4.0-81.104~14.04.14.4.0-83.106~14.04.14.4.0-87.110~14.04.14.4.0-89.112~14.04.14.4.0-91.114~14.04.14.4.0-92.115~14.04.14.4.0-93.116~14.04.14.4.0-96.119~14.04.14.4.0-97.120~14.04.14.4.0-98.121~14.04.14.4.0-101.124~14.04.14.4.0-103.126~14.04.14.4.0-104.127~14.04.14.4.0-108.131~14.04.14.4.0-109.132~14.04.14.4.0-111.134~14.04.14.4.0-112.135~14.04.14.4.0-116.140~14.04.14.4.0-119.143~14.04.1 |
4.4.0-127.153~14.04.1 |
linuxUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 3.11.0-12.193.12.0-1.33.12.0-2.53.12.0-2.73.12.0-3.8 Show 45 moreShow less3.12.0-3.93.12.0-4.103.12.0-4.123.12.0-5.133.12.0-7.153.13.0-1.163.13.0-2.173.13.0-3.183.13.0-4.193.13.0-5.203.13.0-6.233.13.0-7.253.13.0-7.263.13.0-8.273.13.0-8.283.13.0-10.303.13.0-11.313.13.0-12.323.13.0-13.333.13.0-14.343.13.0-15.353.13.0-16.363.13.0-17.373.13.0-18.383.13.0-19.393.13.0-19.403.13.0-20.423.13.0-21.433.13.0-22.443.13.0-23.453.13.0-24.463.13.0-24.473.13.0-27.503.13.0-29.533.13.0-30.543.13.0-30.553.13.0-32.573.13.0-33.583.13.0-34.603.13.0-35.623.13.0-36.633.13.0-37.643.13.0-39.663.13.0-40.693.13.0-41.70 |
None known |
linuxUbuntu:16.04:LTS |
before 4.4.0-127.153, plus listed versions 4.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.11 Show 45 moreShow less4.3.0-5.164.3.0-6.174.3.0-7.184.4.0-2.164.4.0-4.194.4.0-6.214.4.0-7.224.4.0-8.234.4.0-9.244.4.0-10.254.4.0-11.264.4.0-12.284.4.0-13.294.4.0-14.304.4.0-15.314.4.0-16.324.4.0-17.334.4.0-18.344.4.0-21.374.4.0-22.394.4.0-22.404.4.0-24.434.4.0-28.474.4.0-31.504.4.0-34.534.4.0-36.554.4.0-38.574.4.0-42.624.4.0-43.634.4.0-45.664.4.0-47.684.4.0-51.724.4.0-53.744.4.0-57.784.4.0-59.804.4.0-62.834.4.0-63.844.4.0-64.854.4.0-65.864.4.0-66.874.4.0-67.884.4.0-70.914.4.0-71.924.4.0-72.934.4.0-75.96 |
4.4.0-127.153 |
linux-awsUbuntu:16.04:LTS |
before 4.4.0-1060.69, plus listed versions 4.4.0-1001.104.4.0-1003.124.4.0-1004.134.4.0-1007.164.4.0-1009.18 Show 28 moreShow less4.4.0-1011.204.4.0-1012.214.4.0-1013.224.4.0-1016.254.4.0-1017.264.4.0-1018.274.4.0-1020.294.4.0-1022.314.4.0-1026.354.4.0-1028.374.4.0-1030.394.4.0-1031.404.4.0-1032.414.4.0-1035.444.4.0-1037.464.4.0-1038.474.4.0-1039.484.4.0-1041.504.4.0-1043.524.4.0-1044.534.4.0-1047.564.4.0-1048.574.4.0-1049.584.4.0-1050.594.4.0-1052.614.4.0-1054.634.4.0-1055.644.4.0-1057.66 |
4.4.0-1060.69 |
linux-kvmUbuntu:16.04:LTS |
before 4.4.0-1026.31, plus listed versions 4.4.0-1004.94.4.0-1007.124.4.0-1008.134.4.0-1009.144.4.0-1010.15 Show 8 moreShow less4.4.0-1012.174.4.0-1013.184.4.0-1015.204.4.0-1017.224.4.0-1019.244.4.0-1020.254.4.0-1021.264.4.0-1023.28 |
4.4.0-1026.31 |
Show 17 moreShow less
| Package | Affected | Fixed |
|---|---|---|
linux-raspi2Ubuntu:16.04:LTS |
before 4.4.0-1090.98, plus listed versions 4.2.0-1013.194.2.0-1014.214.3.0-1006.64.4.0-1003.44.4.0-1004.5 Show 42 moreShow less4.4.0-1009.104.4.0-1010.124.4.0-1010.134.4.0-1012.164.4.0-1016.224.4.0-1017.234.4.0-1019.254.4.0-1021.274.4.0-1023.294.4.0-1027.334.4.0-1029.364.4.0-1034.414.4.0-1038.454.4.0-1040.474.4.0-1042.494.4.0-1044.514.4.0-1046.534.4.0-1048.554.4.0-1050.574.4.0-1051.584.4.0-1052.594.4.0-1054.614.4.0-1055.624.4.0-1057.644.4.0-1059.674.4.0-1061.694.4.0-1065.734.4.0-1067.754.4.0-1069.774.4.0-1070.784.4.0-1071.794.4.0-1074.824.4.0-1075.834.4.0-1076.844.4.0-1077.854.4.0-1079.874.4.0-1080.884.4.0-1082.904.4.0-1085.934.4.0-1086.944.4.0-1087.954.4.0-1089.97 |
4.4.0-1090.98 |
linux-snapdragonUbuntu:16.04:LTS |
before 4.4.0-1093.98, plus listed versions 4.4.0-1012.124.4.0-1013.144.4.0-1013.154.4.0-1015.184.4.0-1019.22 Show 39 moreShow less4.4.0-1020.234.4.0-1022.254.4.0-1024.274.4.0-1026.294.4.0-1030.334.4.0-1032.364.4.0-1035.394.4.0-1039.434.4.0-1042.464.4.0-1044.484.4.0-1046.504.4.0-1047.514.4.0-1048.524.4.0-1050.544.4.0-1051.554.4.0-1053.574.4.0-1054.584.4.0-1055.594.4.0-1057.614.4.0-1058.624.4.0-1059.634.4.0-1061.664.4.0-1063.684.4.0-1067.724.4.0-1069.744.4.0-1071.764.4.0-1072.774.4.0-1073.784.4.0-1076.814.4.0-1077.824.4.0-1078.834.4.0-1079.844.4.0-1081.864.4.0-1082.874.4.0-1084.894.4.0-1087.924.4.0-1088.934.4.0-1090.954.4.0-1092.97 |
4.4.0-1093.98 |
linux-fipsUbuntu:Pro:FIPS-updates:16.04:LTS |
before 4.4.0-1008.10, plus listed versions 4.4.0-1003.34.4.0-1005.54.4.0-1006.6 |
4.4.0-1008.10 |
linux-snapdragonUbuntu:18.04:LTS |
before 4.15.0-1053.57, plus listed versions 4.4.0-1077.824.4.0-1078.834.4.0-1079.844.4.0-1081.86 |
4.15.0-1053.57 |
linux-azure-fdeUbuntu:20.04:LTS |
All versions, plus listed versions 5.4.0-1063.66+cvm2.25.4.0-1063.66+cvm3.25.4.0-1064.67+cvm1.15.4.0-1065.68+cvm2.15.4.0-1067.70+cvm1.1 Show 21 moreShow less5.4.0-1068.71+cvm1.15.4.0-1069.72+cvm1.15.4.0-1070.73+cvm1.15.4.0-1072.75+cvm1.15.4.0-1073.76+cvm1.15.4.0-1074.77+cvm1.15.4.0-1076.79+cvm1.15.4.0-1078.81+cvm1.15.4.0-1080.83+cvm1.15.4.0-1083.87+cvm1.15.4.0-1085.90+cvm1.15.4.0-1085.90+cvm2.15.4.0-1086.91+cvm1.15.4.0-1089.94+cvm1.25.4.0-1090.95+cvm1.15.4.0-1091.96+cvm1.15.4.0-1092.97+cvm1.15.4.0-1095.101+cvm1.15.4.0-1098.104+cvm1.15.4.0-1100.106+cvm1.15.4.0-1103.109+cvm1.1 |
None known |
linux-azure-fde-5.15Ubuntu:Pro:20.04:LTS |
All versions, plus listed versions 5.15.0-1019.24~20.04.1.15.15.0-1020.25~20.04.1.15.15.0-1021.26~20.04.1.15.15.0-1029.36~20.04.1.15.15.0-1030.37~20.04.1.1 Show 45 moreShow less5.15.0-1031.38~20.04.1.15.15.0-1033.40~20.04.1.15.15.0-1034.41~20.04.1.25.15.0-1035.42~20.04.1.15.15.0-1036.43~20.04.1.15.15.0-1037.44~20.04.1.15.15.0-1038.45~20.04.1.15.15.0-1039.46~20.04.1.15.15.0-1040.47~20.04.1.15.15.0-1041.48~20.04.1.15.15.0-1042.49~20.04.1.15.15.0-1043.50~20.04.1.15.15.0-1046.53~20.04.1.15.15.0-1047.54~20.04.1.15.15.0-1049.56~20.04.1.15.15.0-1050.57~20.04.1.15.15.0-1051.59~20.04.1.15.15.0-1052.60~20.04.1.15.15.0-1053.61~20.04.1.15.15.0-1054.62~20.04.1.15.15.0-1056.64~20.04.1.15.15.0-1057.65~20.04.1.15.15.0-1058.66~20.04.2.15.15.0-1059.67~20.04.1.15.15.0-1060.69~20.04.1.15.15.0-1061.70~20.04.1.15.15.0-1063.72~20.04.1.15.15.0-1064.73~20.04.1.15.15.0-1065.74~20.04.1.15.15.0-1067.76~20.04.1.15.15.0-1068.77~20.04.1.15.15.0-1070.79~20.04.1.15.15.0-1071.80~20.04.1.15.15.0-1072.81~20.04.1.15.15.0-1073.82~20.04.1.15.15.0-1074.83~20.04.1.15.15.0-1076.85~20.04.1.15.15.0-1078.87~20.04.1.15.15.0-1081.90~20.04.1.15.15.0-1082.91~20.04.1.15.15.0-1086.95~20.04.1.15.15.0-1087.96~20.04.1.15.15.0-1088.97~20.04.1.15.15.0-1089.98~20.04.1.15.15.0-1091.100~20.04.1.1 |
None known |
linux-gkeUbuntu:20.04:LTS |
All versions, plus listed versions 5.4.0-1033.355.4.0-1035.375.4.0-1036.385.4.0-1037.395.4.0-1039.41 Show 45 moreShow less5.4.0-1041.435.4.0-1042.445.4.0-1043.455.4.0-1044.465.4.0-1046.485.4.0-1049.525.4.0-1051.545.4.0-1052.555.4.0-1053.565.4.0-1054.575.4.0-1055.585.4.0-1056.595.4.0-1057.605.4.0-1059.625.4.0-1061.645.4.0-1062.655.4.0-1063.665.4.0-1065.685.4.0-1066.695.4.0-1067.705.4.0-1068.715.4.0-1071.765.4.0-1072.775.4.0-1074.795.4.0-1076.825.4.0-1078.845.4.0-1080.865.4.0-1081.875.4.0-1083.895.4.0-1084.905.4.0-1086.935.4.0-1087.945.4.0-1090.975.4.0-1091.985.4.0-1094.1015.4.0-1095.1025.4.0-1096.1035.4.0-1097.1045.4.0-1098.1055.4.0-1099.1065.4.0-1100.1075.4.0-1101.1085.4.0-1102.1095.4.0-1103.1105.4.0-1104.111 |
None known |
linux-raspi2Ubuntu:20.04:LTS |
All versions, plus listed versions 5.3.0-1007.85.3.0-1014.165.3.0-1015.175.3.0-1017.195.4.0-1004.45.4.0-1006.6 |
None known |
linux-riscvUbuntu:20.04:LTS |
All versions, plus listed versions 5.4.0-24.285.4.0-26.305.4.0-27.315.4.0-28.325.4.0-30.34 Show 7 moreShow less5.4.0-31.355.4.0-33.375.4.0-34.385.4.0-36.415.4.0-37.425.4.0-39.445.4.0-40.45 |
None known |
linux-intel-iot-realtimeUbuntu:22.04:LTS |
All versions, plus listed versions 5.15.0-1073.75 |
None known |
linux-realtimeUbuntu:22.04:LTS |
All versions, plus listed versions 5.15.0-1032.35 |
None known |
linux-riscvUbuntu:22.04:LTS |
All versions, plus listed versions 5.13.0-1004.45.13.0-1006.6+22.04.15.13.0-1007.7+22.04.15.13.0-1010.11+22.04.15.15.0-1004.4 Show 18 moreShow less5.15.0-1005.55.15.0-1006.65.15.0-1007.75.15.0-1008.85.15.0-1011.125.15.0-1012.135.15.0-1014.165.15.0-1015.175.15.0-1016.185.15.0-1017.195.15.0-1018.215.15.0-1019.225.15.0-1020.235.15.0-1022.265.15.0-1023.275.15.0-1026.305.15.0-1027.315.15.0-1028.32 |
None known |
linux-azure-6.11Ubuntu:24.04:LTS |
All versions, plus listed versions 6.11.0-1008.8~24.04.16.11.0-1012.12~24.04.16.11.0-1013.13~24.04.16.11.0-1014.14~24.04.16.11.0-1015.15~24.04.16.11.0-1017.17~24.04.16.11.0-1018.18~24.04.1 |
None known |
linux-gcp-6.11Ubuntu:24.04:LTS |
All versions, plus listed versions 6.11.0-1006.6~24.04.26.11.0-1011.11~24.04.16.11.0-1013.13~24.04.16.11.0-1014.14~24.04.16.11.0-1015.15~24.04.16.11.0-1016.16~24.04.16.11.0-1017.17~24.04.1 |
None known |
linux-hwe-6.11Ubuntu:24.04:LTS |
All versions, plus listed versions 6.11.0-17.17~24.04.26.11.0-19.19~24.04.16.11.0-21.21~24.04.16.11.0-24.24~24.04.16.11.0-25.25~24.04.16.11.0-26.26~24.04.16.11.0-28.28~24.04.16.11.0-29.29~24.04.1 |
None known |
linux-lowlatency-hwe-6.11Ubuntu:24.04:LTS |
All versions, plus listed versions 6.11.0-1009.10~24.04.16.11.0-1011.12~24.04.16.11.0-1012.13~24.04.16.11.0-1013.14~24.04.16.11.0-1014.15~24.04.16.11.0-1015.16~24.04.26.11.0-1016.17~24.04.1 |
None known |
linux-raspi-realtimeUbuntu:24.04:LTS |
All versions, plus listed versions 6.8.0-2019.20 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | OSV | |
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-9422 is a high vulnerability (CVSS 7.8) in Google Android, published July 14, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. Fixed in linux 4.6.1-1.
References
lists.debian.org/debian-lts-announce/2018/07/msg00015.html
source.android.com/security/bulletin/2018-07-01
bugzilla.suse.com/show_bug.cgi?id=1102001&_ga=2.244341506.661832603.1561012452-1774095668.1553066022
nvd.nist.gov/vuln/detail/CVE-2018-9422
github.com/advisories/GHSA-7jfq-4vfx-p3rg
This page doesn't list everything
Left out here: 195 versions. The JSON record has them.