CWE
362 787
Advisory Published
Updated

CVE-2023-45863: Race Condition

First published: Sat Oct 14 2023(Updated: )

<a href="https://access.redhat.com/security/cve/CVE-2023-45863">CVE-2023-45863</a> --- An issue was discovered in lib/kobject.c in the Linux kernel before 6.2.3. With root access, an attacker can trigger a race condition that results in a fill_kobj_path out-of-bounds write. <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3bb2a01caa813d3a1845d378bbe4169ef280d394">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3bb2a01caa813d3a1845d378bbe4169ef280d394</a> <a href="https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3">https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3</a>

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel<6.2.3
IBM Security Guardium<=12.0
ubuntu/linux<4.15.0-221.232
4.15.0-221.232
ubuntu/linux<5.4.0-171.189
5.4.0-171.189
ubuntu/linux<5.15.0-75.82
5.15.0-75.82
ubuntu/linux<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux<4.4.0-250.284
4.4.0-250.284
ubuntu/linux-aws<4.15.0-1164.177
4.15.0-1164.177
ubuntu/linux-aws<5.4.0-1118.128
5.4.0-1118.128
ubuntu/linux-aws<5.15.0-1038.43
5.15.0-1038.43
ubuntu/linux-aws<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-aws<4.4.0-1164.179
4.4.0-1164.179
ubuntu/linux-aws-5.15<5.15.0-1038.43~20.04.1
5.15.0-1038.43~20.04.1
ubuntu/linux-aws-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-aws-5.4<5.4.0-1118.128~18.04.1
5.4.0-1118.128~18.04.1
ubuntu/linux-aws-5.4<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-aws-6.2<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-aws-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-aws-fips<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-aws-hwe<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-aws-hwe<4.15.0-1164.177~16.04.1
4.15.0-1164.177~16.04.1
ubuntu/linux-azure<5.4.0-1123.130
5.4.0-1123.130
ubuntu/linux-azure<5.15.0-1040.47
5.15.0-1040.47
ubuntu/linux-azure<4.15.0-1173.188~14.04.1
4.15.0-1173.188~14.04.1
ubuntu/linux-azure<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-azure<4.15.0-1173.188~16.04.1
4.15.0-1173.188~16.04.1
ubuntu/linux-azure-4.15<4.15.0-1173.188
4.15.0-1173.188
ubuntu/linux-azure-4.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-azure-5.15<5.15.0-1040.47~20.04.1
5.15.0-1040.47~20.04.1
ubuntu/linux-azure-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-azure-5.4<5.4.0-1123.130~18.04.1
5.4.0-1123.130~18.04.1
ubuntu/linux-azure-5.4<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-azure-6.2<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-azure-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-azure-fde<5.15.0-1041.48.1
5.15.0-1041.48.1
ubuntu/linux-azure-fde<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-azure-fde-5.15<5.15.0-1040.47~20.04.1.1
5.15.0-1040.47~20.04.1.1
ubuntu/linux-azure-fde-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-azure-fde-6.2<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-azure-fips<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-bluefield<5.4.0-1078.84
5.4.0-1078.84
ubuntu/linux-bluefield<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-fips<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gcp<5.4.0-1122.131
5.4.0-1122.131
ubuntu/linux-gcp<5.15.0-1036.44
5.15.0-1036.44
ubuntu/linux-gcp<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gcp<4.15.0-1158.175~16.04.1
4.15.0-1158.175~16.04.1
ubuntu/linux-gcp-4.15<4.15.0-1158.175
4.15.0-1158.175
ubuntu/linux-gcp-4.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gcp-5.15<5.15.0-1036.44~20.04.1
5.15.0-1036.44~20.04.1
ubuntu/linux-gcp-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gcp-5.19<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gcp-5.4<5.4.0-1122.131~18.04.1
5.4.0-1122.131~18.04.1
ubuntu/linux-gcp-5.4<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gcp-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gcp-fips<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gke<5.15.0-1036.41
5.15.0-1036.41
ubuntu/linux-gke<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gkeop<5.4.0-1085.89
5.4.0-1085.89
ubuntu/linux-gkeop<5.15.0-1022.27
5.15.0-1022.27
ubuntu/linux-gkeop<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-gkeop-5.15<5.15.0-1022.27~20.04.1
5.15.0-1022.27~20.04.1
ubuntu/linux-gkeop-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-hwe<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-hwe<4.15.0-221.232~16.04.1
4.15.0-221.232~16.04.1
ubuntu/linux-hwe-5.15<5.15.0-75.82~20.04.1
5.15.0-75.82~20.04.1
ubuntu/linux-hwe-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-hwe-5.4<5.4.0-171.189~18.04.1
5.4.0-171.189~18.04.1
ubuntu/linux-hwe-5.4<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-hwe-6.2<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-hwe-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-ibm<5.4.0-1065.70
5.4.0-1065.70
ubuntu/linux-ibm<5.15.0-1032.35
5.15.0-1032.35
ubuntu/linux-ibm<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-ibm-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-ibm-5.4<5.4.0-1065.70~18.04.1
5.4.0-1065.70~18.04.1
ubuntu/linux-ibm-5.4<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-intel<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-intel-iotg<5.15.0-1033.38
5.15.0-1033.38
ubuntu/linux-intel-iotg<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-intel-iotg-5.15<5.15.0-1033.38~20.04.1
5.15.0-1033.38~20.04.1
ubuntu/linux-intel-iotg-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-iot<5.4.0-1030.31
5.4.0-1030.31
ubuntu/linux-iot<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-kvm<4.15.0-1148.153
4.15.0-1148.153
ubuntu/linux-kvm<5.4.0-1106.113
5.4.0-1106.113
ubuntu/linux-kvm<5.15.0-1035.40
5.15.0-1035.40
ubuntu/linux-kvm<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-laptop<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-lowlatency<5.15.0-75.82
5.15.0-75.82
ubuntu/linux-lowlatency<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-75.82~20.04.1
5.15.0-75.82~20.04.1
ubuntu/linux-lowlatency-hwe-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-lowlatency-hwe-6.2<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-lowlatency-hwe-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-lts-xenial<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-nvidia<5.15.0-1027.27
5.15.0-1027.27
ubuntu/linux-nvidia<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-nvidia-6.2<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-nvidia-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-oem-6.1<6.1.0-1009.9
6.1.0-1009.9
ubuntu/linux-oem-6.1<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-oem-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-oem-6.8<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-oracle<4.15.0-1127.138
4.15.0-1127.138
ubuntu/linux-oracle<5.4.0-1117.126
5.4.0-1117.126
ubuntu/linux-oracle<5.15.0-1037.43
5.15.0-1037.43
ubuntu/linux-oracle<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-oracle<4.15.0-1127.138~16.04.1
4.15.0-1127.138~16.04.1
ubuntu/linux-oracle-5.15<5.15.0-1037.43~20.04.1
5.15.0-1037.43~20.04.1
ubuntu/linux-oracle-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-oracle-5.4<5.4.0-1117.126~18.04.1
5.4.0-1117.126~18.04.1
ubuntu/linux-oracle-5.4<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-oracle-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-raspi<5.4.0-1102.114
5.4.0-1102.114
ubuntu/linux-raspi<5.15.0-1032.35
5.15.0-1032.35
ubuntu/linux-raspi<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-raspi-5.4<5.4.0-1102.114~18.04.1
5.4.0-1102.114~18.04.1
ubuntu/linux-raspi-5.4<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-riscv<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-riscv-5.15<5.15.0-1035.39~20.04.1
5.15.0-1035.39~20.04.1
ubuntu/linux-riscv-5.15<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-riscv-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-starfive<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-starfive-6.2<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-starfive-6.5<6.3~<5.15.99
6.3~
5.15.99
ubuntu/linux-xilinx-zynqmp<5.4.0-1037.41
5.4.0-1037.41
ubuntu/linux-xilinx-zynqmp<6.3~<5.15.99
6.3~
5.15.99
debian/linux
5.10.218-1
6.1.94-1
6.1.90-1
6.9.8-1
6.9.9-1

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this issue?

    The vulnerability ID of this issue is CVE-2023-45863.

  • What is the severity of CVE-2023-45863?

    The severity of CVE-2023-45863 is medium (6.4).

  • What is the affected software?

    The affected software is the Linux kernel versions before 6.2.3.

  • What is the CWE classification of this vulnerability?

    The CWE classification of this vulnerability is CWE-362 and CWE-787.

  • How can the vulnerability be exploited?

    With root access, an attacker can trigger a race condition that results in a fill_kobj_path out-of-bounds write.

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