CVE-2023-23003

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return...

4.0 MediumFix available

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.27%Down 0.6 points since Mar 2, 2023

What each source reports

NVD Score used 4.0

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Record: CVE-2023-23003
CVSS 3.1: 4.0 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-252
Updated: 2026-11-02

CVE List 4.0

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Record: CVE-2023-23003
CVSS 3.1: 4.0 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-252
Updated: 2026-11-02

EUVDEUVD-2023-27103 4.0

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Record: EUVD-2023-27103
CVSS 3.1: 4.0 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-787r-j94j-7wpv 7.8

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return...

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Record: GHSA-787r-j94j-7wpv
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-252
Updated: 2026-11-02

OSVAZL-25351 4.0

CVE-2023-23003 affecting package kernel for versions less than 5.15.118.1-2

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Record: AZL-25351
CVSS 3.1: 4.0 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVBELL-CVE-2023-23003 4.0

CVE-2023-23003 does not affect BellSoft software

Record: BELL-CVE-2023-23003
CVSS 3.1: 4.0 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV 4.0

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Record: CVE-2023-23003
CVSS 3.1: 4.0 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-23003 4.0

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Record: DEBIAN-CVE-2023-23003
CVSS 3.1: 4.0 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-23003 4.0

In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.

Record: UBUNTU-CVE-2023-23003
CVSS 3.1: 4.0 MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

linux kernel

Affected packages

Affected packages
Package	Affected	Fixed
`kernel` Azure Linux:2	before 5.15.118.1-2	5.15.118.1-2
`linux` Debian:12	before 5.16.7-1	5.16.7-1
`linux` Debian:13	before 5.16.7-1	5.16.7-1
`linux` Debian:14	before 5.16.7-1	5.16.7-1
`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 34 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-hwe-edge` Ubuntu:18.04:LTS	All versions, plus listed versions 5.0.0-15.16~18.04.15.0.0-16.17~18.04.15.0.0-17.18~18.04.15.0.0-19.20~18.04.15.0.0-20.21~18.04.1 Show 5 moreShow less 5.3.0-19.20~18.04.25.3.0-22.24~18.04.15.3.0-23.25~18.04.15.3.0-23.25~18.04.25.3.0-24.26~18.04.2	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-5.11` 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-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-5.6` 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-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

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-2023-23003 is a medium vulnerability (CVSS 4.0) in Linux Kernel, published March 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 18th percentile. Fixed in kernel 5.15.118.1-2.

References

Show 5 moreShow less