CVE-2023-4394

Memory leak in btrfs_get_dev_args_from_path()

6.7 MediumFix available

A use-after-free flaw was found in btrfs_get_dev_args_from_path in fs/btrfs/volumes.c in btrfs file-system in the Linux Kernel. This flaw allows a local attacker with special privileges to cause a system crash or leak internal kernel information

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.22%Up 0.2 points since Aug 18, 2023

What each source reports

CVE List Score used 6.7

Memory leak in btrfs_get_dev_args_from_path()

Record: CVE-2023-4394
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-400
Updated: 2026-11-02

EUVDEUVD-2023-54258 6.7

Record: EUVD-2023-54258
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5w86-j94c-54q5 6.7

A use-after-free flaw was found in btrfs_get_dev_args_from_path in fs/btrfs/volumes.c in btrfs...

Record: GHSA-5w86-j94c-54q5
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-400, CWE-416
Updated: 2026-11-02

NVD 6.7

Record: CVE-2023-4394
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Weakness: CWE-400, CWE-416
Updated: 2026-11-02

OSVAZL-27970 6.0

CVE-2023-4394 affecting package kernel for versions less than 5.15.131.1-2

Record: AZL-27970
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Updated: 2026-11-02

OSV 6.0

Record: CVE-2023-4394
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-4394 6.0

Record: DEBIAN-CVE-2023-4394
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-4394 6.0

Record: UBUNTU-CVE-2023-4394
CVSS 3.1: 6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`kernel` Azure Linux:2	before 5.15.131.1-2	5.15.131.1-2
`linux` Debian:12	before 5.19.6-1	5.19.6-1
`linux` Debian:13	before 5.19.6-1	5.19.6-1
`linux` Debian:14	before 5.19.6-1	5.19.6-1
`linux-hwe-edge` Ubuntu:16.04:LTS	All versions, plus listed versions 4.8.0-28.30~16.04.14.8.0-30.32~16.04.14.8.0-32.34~16.04.14.8.0-34.36~16.04.14.10.0-14.16~16.04.1 Show 18 moreShow less 4.10.0-19.21~16.04.14.10.0-20.22~16.04.14.10.0-21.23~16.04.14.10.0-22.24~16.04.14.10.0-24.28~16.04.14.10.0-26.30~16.04.14.11.0-13.19~16.04.14.11.0-14.20~16.04.14.13.0-16.19~16.04.34.13.0-17.20~16.04.14.13.0-19.22~16.04.14.13.0-21.24~16.04.14.13.0-25.29~16.04.24.15.0-13.14~16.04.14.15.0-15.16~16.04.14.15.0-20.21~16.04.14.15.0-22.24~16.04.14.15.0-23.25~16.04.1	None known
`linux-aws-5.0` Ubuntu:18.04:LTS	All versions, plus listed versions 5.0.0-1021.24~18.04.15.0.0-1022.25~18.04.15.0.0-1023.26~18.04.15.0.0-1024.27~18.04.15.0.0-1025.285.0.0-1027.30	None known
`linux-aws-5.3` Ubuntu:18.04:LTS	All versions, plus listed versions 5.3.0-1016.17~18.04.15.3.0-1017.18~18.04.15.3.0-1019.21~18.04.15.3.0-1023.25~18.04.15.3.0-1028.30~18.04.1 Show 5 moreShow less 5.3.0-1030.32~18.04.15.3.0-1032.34~18.04.25.3.0-1033.355.3.0-1034.365.3.0-1035.37	None known
`linux-azure` Ubuntu:18.04:LTS	All versions, plus listed versions 4.15.0-1002.24.15.0-1003.34.15.0-1004.44.15.0-1008.84.15.0-1009.9 Show 39 moreShow less 4.15.0-1012.124.15.0-1013.134.15.0-1014.144.15.0-1018.184.15.0-1019.194.15.0-1021.214.15.0-1022.234.15.0-1023.244.15.0-1025.264.15.0-1028.294.15.0-1030.314.15.0-1031.324.15.0-1032.334.15.0-1035.364.15.0-1036.384.15.0-1037.394.18.0-1011.11~18.04.14.18.0-1013.13~18.04.14.18.0-1014.14~18.04.14.18.0-1018.18~18.04.14.18.0-1019.19~18.04.14.18.0-1020.20~18.04.14.18.0-1023.24~18.04.14.18.0-1024.25~18.04.14.18.0-1025.27~18.04.15.0.0-1014.14~18.04.15.0.0-1016.17~18.04.15.0.0-1018.19~18.04.15.0.0-1020.21~18.04.15.0.0-1022.23~18.04.15.0.0-1023.24~18.04.15.0.0-1025.27~18.04.15.0.0-1027.29~18.04.15.0.0-1028.30~18.04.15.0.0-1029.31~18.04.15.0.0-1031.335.0.0-1032.345.0.0-1035.375.0.0-1036.38	None known
`linux-azure-5.3` Ubuntu:18.04:LTS	All versions, plus listed versions 5.3.0-1007.8~18.04.15.3.0-1008.9~18.04.15.3.0-1009.10~18.04.15.3.0-1010.11~18.04.15.3.0-1012.13~18.04.1 Show 11 moreShow less 5.3.0-1013.14~18.04.15.3.0-1016.17~18.04.15.3.0-1018.19~18.04.15.3.0-1019.20~18.04.15.3.0-1020.21~18.04.15.3.0-1022.23~18.04.15.3.0-1028.29~18.04.15.3.0-1031.32~18.04.15.3.0-1032.33~18.04.15.3.0-1034.35~18.04.15.3.0-1035.36	None known
`linux-azure-edge` Ubuntu:18.04:LTS	All versions, plus listed versions 4.18.0-1006.6~18.04.14.18.0-1007.7~18.04.14.18.0-1008.8~18.04.15.0.0-1012.12~18.04.2	None known

Show 70 moreShow less

Affected packages
Package	Affected	Fixed
`linux-gcp` Ubuntu:18.04:LTS	All versions, plus listed versions 4.15.0-1001.14.15.0-1003.34.15.0-1005.54.15.0-1006.64.15.0-1008.8 Show 33 moreShow less 4.15.0-1009.94.15.0-1010.104.15.0-1014.144.15.0-1015.154.15.0-1017.184.15.0-1018.194.15.0-1019.204.15.0-1021.224.15.0-1023.244.15.0-1024.254.15.0-1025.264.15.0-1026.274.15.0-1027.284.15.0-1028.294.15.0-1029.314.15.0-1030.324.15.0-1032.344.15.0-1033.354.15.0-1034.364.15.0-1036.384.15.0-1037.394.15.0-1040.424.15.0-1042.454.15.0-1044.705.0.0-1020.20~18.04.15.0.0-1021.21~18.04.15.0.0-1025.26~18.04.15.0.0-1026.27~18.04.15.0.0-1028.29~18.04.15.0.0-1029.30~18.04.15.0.0-1031.325.0.0-1033.345.0.0-1034.35	None known
`linux-gcp-5.3` Ubuntu:18.04:LTS	All versions, plus listed versions 5.3.0-1008.9~18.04.15.3.0-1009.10~18.04.15.3.0-1010.11~18.04.15.3.0-1012.13~18.04.15.3.0-1014.15~18.04.1 Show 8 moreShow less 5.3.0-1016.17~18.04.15.3.0-1017.18~18.04.15.3.0-1018.19~18.04.15.3.0-1020.22~18.04.15.3.0-1026.28~18.04.15.3.0-1029.31~18.04.15.3.0-1030.32~18.04.15.3.0-1032.34~18.04.1	None known
`linux-gke-4.15` Ubuntu:18.04:LTS	All versions, plus listed versions 4.15.0-1030.324.15.0-1032.344.15.0-1033.354.15.0-1034.364.15.0-1036.38 Show 28 moreShow less 4.15.0-1037.394.15.0-1040.424.15.0-1041.434.15.0-1042.444.15.0-1044.464.15.0-1045.484.15.0-1046.494.15.0-1048.514.15.0-1049.524.15.0-1050.534.15.0-1052.554.15.0-1055.584.15.0-1057.604.15.0-1058.614.15.0-1059.624.15.0-1063.664.15.0-1064.674.15.0-1066.694.15.0-1067.704.15.0-1069.724.15.0-1070.734.15.0-1072.764.15.0-1073.784.15.0-1074.794.15.0-1076.814.15.0-1077.824.15.0-1078.834.15.0-1079.84	None known
`linux-gke-5.4` Ubuntu:18.04:LTS	All versions, plus listed versions 5.4.0-1025.25~18.04.15.4.0-1027.28~18.04.15.4.0-1029.31~18.04.15.4.0-1030.32~18.04.15.4.0-1032.34~18.04.1 Show 32 moreShow less 5.4.0-1033.35~18.04.15.4.0-1035.37~18.04.15.4.0-1036.38~18.04.15.4.0-1037.39~18.04.15.4.0-1039.41~18.04.15.4.0-1040.42~18.04.15.4.0-1042.44~18.04.15.4.0-1043.45~18.04.15.4.0-1044.46~18.04.15.4.0-1046.48~18.04.15.4.0-1049.52~18.04.15.4.0-1051.54~18.04.15.4.0-1052.55~18.04.15.4.0-1053.56~18.04.15.4.0-1054.57~18.04.15.4.0-1055.58~18.04.15.4.0-1056.59~18.04.15.4.0-1057.60~18.04.15.4.0-1059.62~18.04.15.4.0-1061.64~18.04.15.4.0-1062.65~18.04.15.4.0-1063.66~18.04.15.4.0-1065.68~18.04.15.4.0-1066.69~18.04.15.4.0-1067.70~18.04.15.4.0-1068.71~18.04.15.4.0-1071.76~18.04.35.4.0-1072.77~18.04.15.4.0-1074.79~18.04.15.4.0-1076.82~18.04.15.4.0-1078.84~18.04.15.4.0-1080.86~18.04.1	None known
`linux-gkeop-5.4` Ubuntu:18.04:LTS	All versions, plus listed versions 5.4.0-1001.15.4.0-1003.35.4.0-1004.55.4.0-1005.65.4.0-1007.8~18.04.1 Show 32 moreShow less 5.4.0-1008.9~18.04.15.4.0-1009.10~18.04.15.4.0-1010.11~18.04.15.4.0-1011.12~18.04.25.4.0-1012.13~18.04.15.4.0-1013.14~18.04.15.4.0-1014.15~18.04.15.4.0-1015.16~18.04.15.4.0-1016.17~18.04.15.4.0-1018.19~18.04.15.4.0-1021.22~18.04.15.4.0-1022.23~18.04.15.4.0-1023.24~18.04.15.4.0-1024.25~18.04.15.4.0-1025.26~18.04.15.4.0-1026.27~18.04.15.4.0-1027.28~18.04.15.4.0-1029.30~18.04.25.4.0-1031.32~18.04.15.4.0-1032.33~18.04.15.4.0-1033.34~18.04.15.4.0-1034.35~18.04.15.4.0-1036.37~18.04.15.4.0-1037.38~18.04.15.4.0-1038.39~18.04.15.4.0-1039.40~18.04.15.4.0-1040.41~18.04.15.4.0-1043.44~18.04.15.4.0-1046.48~18.04.15.4.0-1048.51~18.04.15.4.0-1049.52~18.04.15.4.0-1051.54~18.04.1	None known
`linux-hwe` Ubuntu:18.04:LTS	All versions, plus listed versions 4.18.0-13.14~18.04.14.18.0-14.15~18.04.14.18.0-15.16~18.04.14.18.0-16.17~18.04.14.18.0-17.18~18.04.1 Show 38 moreShow less 4.18.0-18.19~18.04.14.18.0-20.21~18.04.14.18.0-21.22~18.04.14.18.0-22.23~18.04.14.18.0-24.25~18.04.14.18.0-25.26~18.04.15.0.0-23.24~18.04.15.0.0-25.26~18.04.15.0.0-27.28~18.04.15.0.0-29.31~18.04.15.0.0-31.33~18.04.15.0.0-32.34~18.04.25.0.0-35.38~18.04.15.0.0-36.39~18.04.15.0.0-37.40~18.04.15.3.0-26.28~18.04.15.3.0-28.30~18.04.15.3.0-40.32~18.04.15.3.0-42.34~18.04.15.3.0-45.37~18.04.15.3.0-46.38~18.04.15.3.0-51.44~18.04.25.3.0-53.47~18.04.15.3.0-59.53~18.04.15.3.0-61.55~18.04.15.3.0-62.56~18.04.15.3.0-64.58~18.04.15.3.0-65.595.3.0-66.605.3.0-67.615.3.0-68.635.3.0-69.655.3.0-70.665.3.0-72.685.3.0-73.695.3.0-74.705.3.0-75.715.3.0-76.72	None known
`linux-oem` Ubuntu:18.04:LTS	All versions, plus listed versions 4.15.0-1002.34.15.0-1004.54.15.0-1006.94.15.0-1008.114.15.0-1009.12 Show 45 moreShow less 4.15.0-1012.154.15.0-1013.164.15.0-1015.184.15.0-1017.204.15.0-1018.214.15.0-1021.244.15.0-1024.294.15.0-1026.314.15.0-1028.334.15.0-1030.354.15.0-1033.384.15.0-1034.394.15.0-1035.404.15.0-1036.414.15.0-1038.434.15.0-1039.444.15.0-1043.484.15.0-1045.504.15.0-1050.574.15.0-1056.654.15.0-1057.664.15.0-1059.684.15.0-1063.724.15.0-1064.734.15.0-1065.754.15.0-1066.764.15.0-1067.774.15.0-1069.794.15.0-1073.834.15.0-1076.864.15.0-1079.894.15.0-1080.904.15.0-1081.914.15.0-1087.974.15.0-1090.1004.15.0-1091.1014.15.0-1093.1034.15.0-1094.1044.15.0-1096.1064.15.0-1097.1074.15.0-1099.1094.15.0-1100.1104.15.0-1101.1124.15.0-1102.1134.15.0-1103.114	None known
`linux-oracle-5.0` Ubuntu:18.04:LTS	All versions, plus listed versions 5.0.0-1007.12~18.04.15.0.0-1008.13~18.04.15.0.0-1009.14~18.04.15.0.0-1010.15~18.04.15.0.0-1011.165.0.0-1013.185.0.0-1014.19	None known
`linux-oracle-5.3` Ubuntu:18.04:LTS	All versions, plus listed versions 5.3.0-1011.12~18.04.15.3.0-1013.14~18.04.15.3.0-1014.15~18.04.15.3.0-1016.18~18.04.15.3.0-1018.20~18.04.1 Show 4 moreShow less 5.3.0-1024.26~18.04.15.3.0-1027.29~18.04.15.3.0-1028.30~18.04.15.3.0-1030.32~18.04.1	None known
`linux-aws-5.15` Ubuntu:20.04:LTS	before 5.15.0-1023.27~20.04.1, plus listed versions 5.15.0-1014.18~20.04.15.15.0-1015.19~20.04.15.15.0-1017.21~20.04.15.15.0-1019.23~20.04.15.15.0-1020.24~20.04.15.15.0-1021.25~20.04.15.15.0-1022.26~20.04.1	5.15.0-1023.27~20.04.1
`linux-azure-5.15` Ubuntu:20.04:LTS	before 5.15.0-1023.29~20.04.1, plus listed versions 5.15.0-1007.8~20.04.15.15.0-1008.9~20.04.15.15.0-1013.16~20.04.15.15.0-1014.17~20.04.15.15.0-1017.20~20.04.1 Show 4 moreShow less 5.15.0-1019.24~20.04.15.15.0-1020.25~20.04.15.15.0-1021.26~20.04.15.15.0-1022.27~20.04.1	5.15.0-1023.29~20.04.1
`linux-azure-fde-5.15` Ubuntu:20.04:LTS	before 5.15.0-1029.36~20.04.1.1, plus listed versions 5.15.0-1019.24~20.04.1.15.15.0-1020.25~20.04.1.15.15.0-1021.26~20.04.1.1	5.15.0-1029.36~20.04.1.1
`linux-gcp-5.15` Ubuntu:20.04:LTS	before 5.15.0-1022.29~20.04.1, plus listed versions 5.15.0-1006.9~20.04.15.15.0-1012.17~20.04.15.15.0-1013.18~20.04.15.15.0-1016.21~20.04.15.15.0-1017.23~20.04.25.15.0-1018.24~20.04.15.15.0-1021.28~20.04.1	5.15.0-1022.29~20.04.1
`linux-gkeop-5.15` Ubuntu:20.04:LTS	before 5.15.0-1008.12~20.04.1, plus listed versions 5.15.0-1003.5~20.04.25.15.0-1005.7~20.04.15.15.0-1007.10~20.04.1	5.15.0-1008.12~20.04.1
`linux-hwe-5.15` Ubuntu:20.04:LTS	before 5.15.0-53.59~20.04.1, plus listed versions 5.15.0-33.34~20.04.15.15.0-41.44~20.04.15.15.0-43.46~20.04.15.15.0-46.49~20.04.15.15.0-48.54~20.04.15.15.0-50.56~20.04.15.15.0-52.58~20.04.1	5.15.0-53.59~20.04.1
`linux-intel-iotg-5.15` Ubuntu:20.04:LTS	before 5.15.0-1018.23~20.04.1, plus listed versions 5.15.0-1003.5~20.04.15.15.0-1008.11~20.04.15.15.0-1010.14~20.04.15.15.0-1015.20~20.04.25.15.0-1016.21~20.04.15.15.0-1017.22~20.04.1	5.15.0-1018.23~20.04.1
`linux-lowlatency-hwe-5.15` Ubuntu:20.04:LTS	before 5.15.0-53.59~20.04.1, plus listed versions 5.15.0-33.34~20.04.15.15.0-42.45~20.04.15.15.0-43.46~20.04.15.15.0-46.49~20.04.15.15.0-48.54~20.04.15.15.0-50.56~20.04.15.15.0-52.58~20.04.1	5.15.0-53.59~20.04.1
`linux-oracle-5.15` Ubuntu:20.04:LTS	before 5.15.0-1022.28~20.04.1, plus listed versions 5.15.0-1007.9~20.04.15.15.0-1013.17~20.04.15.15.0-1016.20~20.04.15.15.0-1017.22~20.04.15.15.0-1018.23~20.04.15.15.0-1019.24~20.04.15.15.0-1021.27~20.04.1	5.15.0-1022.28~20.04.1
`linux-riscv-5.15` Ubuntu:20.04:LTS	before 5.15.0-1023.27~20.04.1, plus listed versions 5.15.0-1015.17~20.04.15.15.0-1017.19~20.04.15.15.0-1018.21~20.04.15.15.0-1019.22~20.04.15.15.0-1022.26~20.04.1	5.15.0-1023.27~20.04.1
`linux-aws-5.11` Ubuntu:20.04:LTS	All versions, plus listed versions 5.11.0-1009.9~20.04.25.11.0-1014.15~20.04.15.11.0-1016.17~20.04.15.11.0-1017.18~20.04.15.11.0-1019.20~20.04.1 Show 7 moreShow less 5.11.0-1020.21~20.04.25.11.0-1021.22~20.04.25.11.0-1022.23~20.04.15.11.0-1023.24~20.04.15.11.0-1025.27~20.04.15.11.0-1027.30~20.04.15.11.0-1028.31~20.04.1	None known
`linux-aws-5.13` Ubuntu:20.04:LTS	All versions, plus listed versions 5.13.0-1008.9~20.04.25.13.0-1011.12~20.04.15.13.0-1012.13~20.04.15.13.0-1014.15~20.04.15.13.0-1017.19~20.04.1 Show 8 moreShow less 5.13.0-1019.21~20.04.15.13.0-1021.23~20.04.25.13.0-1022.24~20.04.15.13.0-1023.25~20.04.15.13.0-1025.27~20.04.15.13.0-1028.31~20.04.15.13.0-1029.32~20.04.15.13.0-1031.35~20.04.1	None known
`linux-aws-5.8` Ubuntu:20.04:LTS	All versions, plus listed versions 5.8.0-1035.37~20.04.15.8.0-1038.40~20.04.15.8.0-1041.43~20.04.15.8.0-1042.44~20.04.1	None known
`linux-azure-5.11` Ubuntu:20.04:LTS	All versions, plus listed versions 5.11.0-1007.7~20.04.25.11.0-1012.13~20.04.15.11.0-1013.14~20.04.15.11.0-1015.16~20.04.15.11.0-1017.18~20.04.1 Show 8 moreShow less 5.11.0-1019.20~20.04.15.11.0-1020.21~20.04.15.11.0-1021.22~20.04.15.11.0-1022.23~20.04.15.11.0-1023.24~20.04.15.11.0-1025.27~20.04.15.11.0-1027.30~20.04.15.11.0-1028.31~20.04.2	None known
`linux-azure-5.13` Ubuntu:20.04:LTS	All versions, plus listed versions 5.13.0-1009.10~20.04.25.13.0-1012.14~20.04.15.13.0-1013.15~20.04.15.13.0-1014.16~20.04.15.13.0-1017.19~20.04.1 Show 7 moreShow less 5.13.0-1021.24~20.04.15.13.0-1022.26~20.04.15.13.0-1023.27~20.04.15.13.0-1025.29~20.04.15.13.0-1028.33~20.04.15.13.0-1029.34~20.04.15.13.0-1031.37~20.04.1	None known
`linux-azure-5.8` Ubuntu:20.04:LTS	All versions, plus listed versions 5.8.0-1033.35~20.04.15.8.0-1036.38~20.04.15.8.0-1039.42~20.04.15.8.0-1040.43~20.04.15.8.0-1041.44~20.04.15.8.0-1042.45~20.04.15.8.0-1043.46~20.04.1	None known
`linux-gcp-5.11` Ubuntu:20.04:LTS	All versions, plus listed versions 5.11.0-1009.10~20.04.15.11.0-1014.16~20.04.15.11.0-1017.19~20.04.15.11.0-1018.20~20.04.25.11.0-1020.22~20.04.1 Show 7 moreShow less 5.11.0-1021.23~20.04.15.11.0-1022.24~20.04.15.11.0-1023.25~20.04.15.11.0-1024.26~20.04.15.11.0-1026.29~20.04.15.11.0-1028.32~20.04.15.11.0-1029.33~20.04.3	None known
`linux-gcp-5.13` Ubuntu:20.04:LTS	All versions, plus listed versions 5.13.0-1008.9~20.04.35.13.0-1012.15~20.04.15.13.0-1013.16~20.04.15.13.0-1015.18~20.04.15.13.0-1019.23~20.04.1 Show 8 moreShow less 5.13.0-1021.25~20.04.15.13.0-1023.28~20.04.15.13.0-1024.29~20.04.15.13.0-1025.30~20.04.15.13.0-1027.32~20.04.15.13.0-1030.36~20.04.15.13.0-1031.37~20.04.15.13.0-1033.40~20.04.1	None known
`linux-gcp-5.8` Ubuntu:20.04:LTS	All versions, plus listed versions 5.8.0-1032.34~20.04.15.8.0-1035.37~20.04.15.8.0-1038.40~20.04.15.8.0-1039.41	None known
`linux-gke` Ubuntu: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 less 5.4.0-1041.435.4.0-1042.445.4.0-1043.455.4.0-1044.465.4.0-1046.485.4.0-1049.525.4.0-1051.545.4.0-1052.555.4.0-1053.565.4.0-1054.575.4.0-1055.585.4.0-1056.595.4.0-1057.605.4.0-1059.625.4.0-1061.645.4.0-1062.655.4.0-1063.665.4.0-1065.685.4.0-1066.695.4.0-1067.705.4.0-1068.715.4.0-1071.765.4.0-1072.775.4.0-1074.795.4.0-1076.825.4.0-1078.845.4.0-1080.865.4.0-1081.875.4.0-1083.895.4.0-1084.905.4.0-1086.935.4.0-1087.945.4.0-1090.975.4.0-1091.985.4.0-1094.1015.4.0-1095.1025.4.0-1096.1035.4.0-1097.1045.4.0-1098.1055.4.0-1099.1065.4.0-1100.1075.4.0-1101.1085.4.0-1102.1095.4.0-1103.1105.4.0-1104.111	None known
`linux-gke-5.15` Ubuntu:20.04:LTS	All versions, plus listed versions 5.15.0-1011.14~20.04.15.15.0-1014.17~20.04.15.15.0-1015.18~20.04.15.15.0-1016.19~20.04.15.15.0-1019.23~20.04.1 Show 13 moreShow less 5.15.0-1020.25~20.04.15.15.0-1023.28~20.04.25.15.0-1027.32~20.04.15.15.0-1028.33~20.04.15.15.0-1029.34~20.04.15.15.0-1031.36~20.04.15.15.0-1032.37~20.04.15.15.0-1033.38~20.04.15.15.0-1034.39~20.04.15.15.0-1036.41~20.04.15.15.0-1037.42~20.04.15.15.0-1038.43~20.04.15.15.0-1039.44~20.04.1	None known
`linux-hwe-5.11` Ubuntu:20.04:LTS	All versions, plus listed versions 5.11.0-22.23~20.04.15.11.0-25.27~20.04.15.11.0-27.29~20.04.15.11.0-34.36~20.04.15.11.0-36.40~20.04.1 Show 7 moreShow less 5.11.0-37.41~20.04.25.11.0-38.42~20.04.15.11.0-40.44~20.04.25.11.0-41.45~20.04.15.11.0-43.47~20.04.25.11.0-44.48~20.04.25.11.0-46.51~20.04.1	None known
`linux-hwe-5.13` Ubuntu:20.04:LTS	All versions, plus listed versions 5.13.0-21.21~20.04.15.13.0-22.22~20.04.15.13.0-23.23~20.04.25.13.0-25.26~20.04.15.13.0-27.29~20.04.1 Show 11 moreShow less 5.13.0-28.31~20.04.15.13.0-30.33~20.04.15.13.0-35.40~20.04.15.13.0-37.42~20.04.15.13.0-39.44~20.04.15.13.0-40.45~20.04.15.13.0-41.46~20.04.15.13.0-44.49~20.04.15.13.0-48.54~20.04.15.13.0-51.58~20.04.15.13.0-52.59~20.04.1	None known
`linux-hwe-5.8` Ubuntu:20.04:LTS	All versions, plus listed versions 5.8.0-23.24~20.04.15.8.0-25.26~20.04.15.8.0-28.30~20.04.15.8.0-29.31~20.04.15.8.0-31.33~20.04.1 Show 16 moreShow less 5.8.0-33.36~20.04.15.8.0-34.37~20.04.25.8.0-36.40~20.04.15.8.0-38.43~20.04.15.8.0-40.45~20.04.15.8.0-41.46~20.04.15.8.0-43.49~20.04.15.8.0-44.50~20.04.15.8.0-45.51~20.04.15.8.0-48.54~20.04.15.8.0-49.55~20.04.15.8.0-50.56~20.04.15.8.0-53.60~20.04.15.8.0-55.62~20.04.15.8.0-59.66~20.04.15.8.0-63.71~20.04.1	None known
`linux-intel-5.13` Ubuntu:20.04:LTS	All versions, plus listed versions 5.13.0-1007.75.13.0-1008.85.13.0-1009.95.13.0-1010.105.13.0-1011.115.13.0-1014.155.13.0-1017.19	None known
`linux-oem-5.10` Ubuntu:20.04:LTS	All versions, plus listed versions 5.10.0-1008.95.10.0-1011.125.10.0-1013.145.10.0-1014.155.10.0-1016.17 Show 21 moreShow less 5.10.0-1017.185.10.0-1019.205.10.0-1021.225.10.0-1022.235.10.0-1023.245.10.0-1025.265.10.0-1026.275.10.0-1029.305.10.0-1032.335.10.0-1033.345.10.0-1034.355.10.0-1038.405.10.0-1044.465.10.0-1045.475.10.0-1049.515.10.0-1050.525.10.0-1051.535.10.0-1052.545.10.0-1053.555.10.0-1055.585.10.0-1057.61	None known
`linux-oem-5.13` Ubuntu:20.04:LTS	All versions, plus listed versions 5.13.0-1009.105.13.0-1010.115.13.0-1012.165.13.0-1014.185.13.0-1017.21 Show 7 moreShow less 5.13.0-1019.235.13.0-1020.245.13.0-1021.255.13.0-1022.265.13.0-1026.325.13.0-1028.355.13.0-1029.36	None known
`linux-oem-5.14` Ubuntu:20.04:LTS	All versions, plus listed versions 5.14.0-1004.45.14.0-1005.55.14.0-1007.75.14.0-1008.85.14.0-1010.10 Show 30 moreShow less 5.14.0-1011.115.14.0-1013.135.14.0-1018.195.14.0-1020.225.14.0-1022.245.14.0-1024.265.14.0-1027.305.14.0-1029.325.14.0-1031.345.14.0-1032.355.14.0-1033.365.14.0-1034.375.14.0-1036.405.14.0-1038.425.14.0-1042.475.14.0-1044.495.14.0-1045.515.14.0-1046.535.14.0-1047.545.14.0-1048.555.14.0-1049.565.14.0-1050.575.14.0-1051.585.14.0-1052.595.14.0-1054.615.14.0-1055.625.14.0-1056.635.14.0-1057.645.14.0-1058.665.14.0-1059.67	None known
`linux-oem-5.6` Ubuntu:20.04:LTS	All versions, plus listed versions 5.6.0-1007.75.6.0-1008.85.6.0-1010.105.6.0-1011.115.6.0-1013.13 Show 24 moreShow less 5.6.0-1017.175.6.0-1018.185.6.0-1020.205.6.0-1021.215.6.0-1023.235.6.0-1026.265.6.0-1027.275.6.0-1028.285.6.0-1031.325.6.0-1032.335.6.0-1033.355.6.0-1034.365.6.0-1035.375.6.0-1036.395.6.0-1039.435.6.0-1042.465.6.0-1047.515.6.0-1048.525.6.0-1050.545.6.0-1052.565.6.0-1053.575.6.0-1054.585.6.0-1055.595.6.0-1056.60	None known
`linux-oracle-5.11` Ubuntu:20.04:LTS	All versions, plus listed versions 5.11.0-1008.8~20.04.15.11.0-1013.14~20.04.15.11.0-1016.17~20.04.15.11.0-1017.18~20.04.15.11.0-1019.20~20.04.1 Show 7 moreShow less 5.11.0-1020.21~20.04.15.11.0-1021.22~20.04.15.11.0-1022.23~20.04.15.11.0-1023.24~20.04.15.11.0-1025.27~20.04.15.11.0-1027.30~20.04.15.11.0-1028.31~20.04.1	None known
`linux-oracle-5.13` Ubuntu:20.04:LTS	All versions, plus listed versions 5.13.0-1011.13~20.04.25.13.0-1015.19~20.04.15.13.0-1016.20~20.04.15.13.0-1018.22~20.04.15.13.0-1021.26~20.04.1 Show 7 moreShow less 5.13.0-1025.30~20.04.15.13.0-1027.32~20.04.15.13.0-1028.33~20.04.15.13.0-1030.35~20.04.15.13.0-1033.39~20.04.15.13.0-1034.40~20.04.15.13.0-1036.43~20.04.1	None known
`linux-oracle-5.8` Ubuntu:20.04:LTS	All versions, plus listed versions 5.8.0-1031.32~20.04.25.8.0-1033.34~20.04.15.8.0-1034.35~20.04.25.8.0-1037.38~20.04.15.8.0-1038.39~20.04.1	None known
`linux-raspi2` Ubuntu: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-riscv` Ubuntu: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 less 5.4.0-31.355.4.0-33.375.4.0-34.385.4.0-36.415.4.0-37.425.4.0-39.445.4.0-40.45	None known
`linux-riscv-5.11` Ubuntu:20.04:LTS	All versions, plus listed versions 5.11.0-1015.16~20.04.15.11.0-1017.18~20.04.15.11.0-1018.19~20.04.25.11.0-1020.21~20.04.15.11.0-1021.22~20.04.1 Show 8 moreShow less 5.11.0-1022.23~20.04.15.11.0-1023.24~20.04.15.11.0-1024.25~20.04.15.11.0-1026.28~20.04.15.11.0-1028.31~20.04.15.11.0-1029.32~20.04.15.11.0-1030.345.11.0-1031.35	None known
`linux-riscv-5.8` Ubuntu:20.04:LTS	All versions, plus listed versions 5.8.0-14.16~20.04.15.8.0-14.16~20.04.35.8.0-16.18~20.04.15.8.0-17.19~20.04.15.8.0-18.20~20.04.1 Show 5 moreShow less 5.8.0-20.22~20.04.15.8.0-22.24~20.04.15.8.0-25.27~20.04.15.8.0-26.28~20.04.15.8.0-29.31~20.04.1	None known
`linux` Ubuntu:22.04:LTS	before 5.15.0-53.59, plus listed versions 5.13.0-19.195.15.0-17.175.15.0-18.185.15.0-22.225.15.0-23.23 Show 15 moreShow less 5.15.0-25.255.15.0-27.285.15.0-30.315.15.0-33.345.15.0-35.365.15.0-37.395.15.0-39.425.15.0-40.435.15.0-41.445.15.0-43.465.15.0-46.495.15.0-47.515.15.0-48.545.15.0-50.565.15.0-52.58	5.15.0-53.59
`linux-aws` Ubuntu:22.04:LTS	before 5.15.0-1023.27, plus listed versions 5.13.0-1005.65.15.0-1002.45.15.0-1003.55.15.0-1004.65.15.0-1005.7 Show 11 moreShow less 5.15.0-1008.105.15.0-1009.115.15.0-1011.145.15.0-1013.175.15.0-1014.185.15.0-1015.195.15.0-1017.215.15.0-1019.235.15.0-1020.245.15.0-1021.255.15.0-1022.26	5.15.0-1023.27
`linux-aws-5.19` Ubuntu:22.04:LTS	All versions, plus listed versions 5.19.0-1019.20~22.04.15.19.0-1020.21~22.04.15.19.0-1022.23~22.04.15.19.0-1023.24~22.04.15.19.0-1024.25~22.04.1 Show 5 moreShow less 5.19.0-1025.26~22.04.15.19.0-1026.27~22.04.15.19.0-1027.28~22.04.15.19.0-1028.29~22.04.15.19.0-1029.30~22.04.1	None known
`linux-azure` Ubuntu:22.04:LTS	before 5.15.0-1023.29, plus listed versions 5.13.0-1006.75.15.0-1001.25.15.0-1002.35.15.0-1003.45.15.0-1005.6 Show 11 moreShow less 5.15.0-1007.85.15.0-1008.95.15.0-1010.125.15.0-1012.155.15.0-1013.165.15.0-1014.175.15.0-1017.205.15.0-1019.245.15.0-1020.255.15.0-1021.265.15.0-1022.27	5.15.0-1023.29
`linux-azure-5.19` Ubuntu:22.04:LTS	All versions, plus listed versions 5.19.0-1020.21~22.04.15.19.0-1021.22~22.04.15.19.0-1022.23~22.04.15.19.0-1023.24~22.04.15.19.0-1025.28~22.04.15.19.0-1026.29~22.04.15.19.0-1027.30~22.04.2	None known
`linux-azure-fde` Ubuntu:22.04:LTS	before 5.15.0-1024.30.1, plus listed versions 5.15.0-1019.24.1	5.15.0-1024.30.1
`linux-azure-fde-5.19` Ubuntu:22.04:LTS	All versions, plus listed versions 5.19.0-1025.28~22.04.1.15.19.0-1026.29~22.04.1.15.19.0-1027.30~22.04.2.1	None known
`linux-gcp` Ubuntu:22.04:LTS	before 5.15.0-1022.29, plus listed versions 5.13.0-1005.65.15.0-1001.35.15.0-1002.55.15.0-1003.65.15.0-1004.7 Show 10 moreShow less 5.15.0-1005.85.15.0-1006.95.15.0-1008.125.15.0-1010.155.15.0-1013.185.15.0-1016.215.15.0-1017.235.15.0-1018.245.15.0-1019.255.15.0-1021.28	5.15.0-1022.29
`linux-gcp-5.19` Ubuntu:22.04:LTS	All versions, plus listed versions 5.19.0-1020.22~22.04.25.19.0-1021.23~22.04.15.19.0-1022.24~22.04.15.19.0-1024.26~22.04.15.19.0-1025.27~22.04.15.19.0-1026.28~22.04.15.19.0-1027.29~22.04.15.19.0-1030.32~22.04.1	None known
`linux-gke` Ubuntu:22.04:LTS	before 5.15.0-1020.25, plus listed versions 5.15.0-1002.25.15.0-1003.35.15.0-1004.55.15.0-1005.65.15.0-1006.7 Show 8 moreShow less 5.15.0-1008.105.15.0-1010.135.15.0-1011.145.15.0-1014.175.15.0-1015.185.15.0-1016.195.15.0-1017.205.15.0-1019.23	5.15.0-1020.25
`linux-gkeop` Ubuntu:22.04:LTS	before 5.15.0-1008.12, plus listed versions 5.15.0-1001.25.15.0-1002.45.15.0-1003.55.15.0-1004.65.15.0-1005.75.15.0-1007.10	5.15.0-1008.12
`linux-ibm` Ubuntu:22.04:LTS	before 5.15.0-1018.21, plus listed versions 5.15.0-1002.25.15.0-1003.35.15.0-1004.45.15.0-1005.55.15.0-1007.8 Show 6 moreShow less 5.15.0-1009.115.15.0-1010.125.15.0-1012.145.15.0-1013.155.15.0-1015.175.15.0-1017.20	5.15.0-1018.21
`linux-intel-iot-realtime` Ubuntu:22.04:LTS	All versions, plus listed versions 5.15.0-1073.75	None known
`linux-intel-iotg` Ubuntu:22.04:LTS	before 5.15.0-1018.23, plus listed versions 5.15.0-1004.65.15.0-1008.115.15.0-1010.145.15.0-1013.175.15.0-1015.205.15.0-1016.215.15.0-1017.22	5.15.0-1018.23
`linux-kvm` Ubuntu:22.04:LTS	before 5.15.0-1021.26, 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+22.04.15.15.0-1002.2 Show 12 moreShow less 5.15.0-1004.45.15.0-1005.55.15.0-1007.75.15.0-1008.85.15.0-1010.115.15.0-1012.145.15.0-1013.165.15.0-1016.195.15.0-1017.215.15.0-1018.225.15.0-1019.235.15.0-1020.24	5.15.0-1021.26
`linux-lowlatency` Ubuntu:22.04:LTS	before 5.15.0-53.59, plus listed versions 5.15.0-22.225.15.0-23.235.15.0-24.245.15.0-27.285.15.0-30.31 Show 12 moreShow less 5.15.0-33.345.15.0-35.365.15.0-37.395.15.0-39.425.15.0-40.435.15.0-41.445.15.0-43.465.15.0-46.495.15.0-47.535.15.0-48.545.15.0-50.565.15.0-52.58	5.15.0-53.59
`linux-oem-5.17` Ubuntu:22.04:LTS	All versions, plus listed versions 5.17.0-1003.35.17.0-1004.45.17.0-1006.65.17.0-1011.125.17.0-1012.13 Show 21 moreShow less 5.17.0-1013.145.17.0-1014.155.17.0-1015.165.17.0-1016.175.17.0-1017.185.17.0-1018.195.17.0-1019.205.17.0-1020.215.17.0-1021.225.17.0-1024.255.17.0-1025.265.17.0-1026.275.17.0-1027.285.17.0-1028.295.17.0-1029.305.17.0-1030.315.17.0-1031.325.17.0-1032.335.17.0-1033.345.17.0-1034.355.17.0-1035.36	None known
`linux-oracle` Ubuntu:22.04:LTS	before 5.15.0-1022.28, plus listed versions 5.13.0-1008.105.15.0-1001.35.15.0-1002.45.15.0-1003.55.15.0-1006.8 Show 9 moreShow less 5.15.0-1007.95.15.0-1009.125.15.0-1011.155.15.0-1013.175.15.0-1016.205.15.0-1017.225.15.0-1018.235.15.0-1019.245.15.0-1021.27	5.15.0-1022.28
`linux-raspi` Ubuntu:22.04:LTS	before 5.15.0-1018.20, plus listed versions 5.13.0-1008.95.15.0-1002.25.15.0-1003.35.15.0-1004.45.15.0-1005.5 Show 9 moreShow less 5.15.0-1006.65.15.0-1008.85.15.0-1011.135.15.0-1012.145.15.0-1013.155.15.0-1014.165.15.0-1015.175.15.0-1016.185.15.0-1017.19	5.15.0-1018.20
`linux-realtime` Ubuntu:22.04:LTS	All versions, plus listed versions 5.15.0-1032.35	None known
`linux-riscv` Ubuntu: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 less 5.15.0-1005.55.15.0-1006.65.15.0-1007.75.15.0-1008.85.15.0-1011.125.15.0-1012.135.15.0-1014.165.15.0-1015.175.15.0-1016.185.15.0-1017.195.15.0-1018.215.15.0-1019.225.15.0-1020.235.15.0-1022.265.15.0-1023.275.15.0-1026.305.15.0-1027.315.15.0-1028.32	None known
`linux-riscv-5.19` Ubuntu:22.04:LTS	All versions, plus listed versions 5.19.0-1012.13~22.04.15.19.0-1015.16~22.04.15.19.0-1016.17~22.04.15.19.0-1017.18~22.04.15.19.0-1018.19~22.04.15.19.0-1019.21~22.04.15.19.0-1020.22~22.04.15.19.0-1021.23~22.04.1	None known
`linux-starfive-5.19` Ubuntu:22.04:LTS	All versions, plus listed versions 5.19.0-1014.16~22.04.15.19.0-1015.17~22.04.15.19.0-1016.18~22.04.15.19.0-1017.19~22.04.15.19.0-1018.20~22.04.15.19.0-1019.21~22.04.15.19.0-1020.22~22.04.1	None known
`linux-realtime` Ubuntu:Pro:Realtime:22.04:LTS	before 5.15.0-1025.28, plus listed versions 5.15.0-1006.65.15.0-1007.75.15.0-1009.95.15.0-1011.115.15.0-1014.14 Show 7 moreShow less 5.15.0-1015.155.15.0-1016.165.15.0-1019.195.15.0-1020.205.15.0-1021.215.15.0-1022.225.15.0-1024.25	5.15.0-1025.28
`linux-raspi-realtime` Ubuntu:24.04:LTS	All versions, plus listed versions 6.8.0-2019.20	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-4394 is a medium vulnerability (CVSS 6.7) in Linux Kernel, published August 17, 2023. 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 kernel 5.15.131.1-2.

References

This page doesn't list everything

Left out here: 1 version. The JSON record has them.