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CVE-2020-8428

Description

fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed.

Risk Information

Base Score
7.1
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS Score
Exploitation Probability
0.102

Associated Vulnerability

VulnerabilityOS Platform
Linux kernel (USN-4318-1) linux-image-oem_4.15.0.96.104_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-generic_4.15.0.96.87_i386.debLinux
Linux kernel (USN-4318-1) linux-image-generic_4.15.0.96.87_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-virtual_4.15.0.96.87_i386.debLinux
Linux kernel (USN-4318-1) linux-image-virtual_4.15.0.96.87_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-lowlatency_4.15.0.96.87_i386.debLinux
Linux kernel (USN-4318-1) linux-image-lowlatency_4.15.0.96.87_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-4.15.0-96-generic_4.15.0-96.97_i386.debLinux
Linux kernel (USN-4318-1) linux-image-4.15.0-96-generic_4.15.0-96.97_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-4.15.0-96-generic_4.15.0-96.97~16.04.1_i386.debLinux
Linux kernel (USN-4318-1) linux-image-4.15.0-96-generic_4.15.0-96.97~16.04.1_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-generic-hwe-16.04_4.15.0.96.104_i386.debLinux
Linux kernel (USN-4318-1) linux-image-generic-hwe-16.04_4.15.0.96.104_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-virtual-hwe-16.04_4.15.0.96.104_i386.debLinux
Linux kernel (USN-4318-1) linux-image-virtual-hwe-16.04_4.15.0.96.104_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-4.15.0-96-lowlatency_4.15.0-96.97_i386.debLinux
Linux kernel (USN-4318-1) linux-image-4.15.0-96-lowlatency_4.15.0-96.97_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-4.15.0-96-lowlatency_4.15.0-96.97~16.04.1_i386.debLinux
Linux kernel (USN-4318-1) linux-image-4.15.0-96-lowlatency_4.15.0-96.97~16.04.1_amd64.debLinux
Linux kernel (USN-4318-1) linux-image-lowlatency-hwe-16.04_4.15.0.96.104_i386.debLinux
Linux kernel (USN-4318-1) linux-image-lowlatency-hwe-16.04_4.15.0.96.104_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-aws_5.3.0.1016.18_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-gcp_5.3.0.1017.18_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-gke_5.3.0.1017.18_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-kvm_5.3.0.1015.17_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-oracle_5.3.0.1014.15_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-generic_5.3.0.46.39_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-virtual_5.3.0.46.39_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-gcp-edge_5.3.0.1017.16_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-lowlatency_5.3.0.46.39_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-oracle-edge_5.3.0.1014.13_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-1015-kvm_5.3.0-1015.16_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-1016-aws_5.3.0-1016.17_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-1017-gcp_5.3.0-1017.18_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-1017-gcp_5.3.0-1017.18~18.04.1_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-46-generic_5.3.0-46.38_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-46-generic_5.3.0-46.38~18.04.1_i386.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-46-generic_5.3.0-46.38~18.04.1_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-1014-oracle_5.3.0-1014.15_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-1014-oracle_5.3.0-1014.15~18.04.1_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-generic-hwe-18.04_5.3.0.46.102_i386.debLinux
Linux kernel (USN-4319-1) linux-image-generic-hwe-18.04_5.3.0.46.102_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-virtual-hwe-18.04_5.3.0.46.102_i386.debLinux
Linux kernel (USN-4319-1) linux-image-virtual-hwe-18.04_5.3.0.46.102_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-46-lowlatency_5.3.0-46.38_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-46-lowlatency_5.3.0-46.38~18.04.1_i386.debLinux
Linux kernel (USN-4319-1) linux-image-5.3.0-46-lowlatency_5.3.0-46.38~18.04.1_amd64.debLinux
Linux kernel (USN-4319-1) linux-image-lowlatency-hwe-18.04_5.3.0.46.102_i386.debLinux
Linux kernel (USN-4319-1) linux-image-lowlatency-hwe-18.04_5.3.0.46.102_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-aws_4.15.0.1065.67_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-gcp_4.15.0.1060.74_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-gke_4.15.0.1057.61_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-gke_4.15.0.1060.74_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-kvm_4.15.0.1058.58_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-oem_4.15.0.1079.83_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-azure_4.15.0.1077.80_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-oracle_4.15.0.1037.30_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-aws-hwe_4.15.0.1065.65_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-gke-4.15_4.15.0.1057.61_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-azure-edge_4.15.0.1077.80_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-aws-lts-18.04_4.15.0.1065.67_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-4.15.0-1057-gke_4.15.0-1057.60_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-4.15.0-1058-kvm_4.15.0-1058.59_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-4.15.0-1060-gcp_4.15.0-1060.64_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-4.15.0-1065-aws_4.15.0-1065.69_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-4.15.0-1065-aws_4.15.0-1065.69~16.04.1_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-4.15.0-1079-oem_4.15.0-1079.89_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-oracle-lts-18.04_4.15.0.1037.45_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-4.15.0-1077-azure_4.15.0-1077.82_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-4.15.0-1037-oracle_4.15.0-1037.41_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-4324-1) linux-image-4.15.0-1037-oracle_4.15.0-1037.41~16.04.1_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-gcp_5.0.0.1034.38_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-azure_5.0.0.1036.47_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-oracle_5.0.0.1014.15_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-gke-5.0_5.0.0.1033.21_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-oem-osp1_5.0.0.1047.50_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-5.0.0-1033-gke_5.0.0-1033.34_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-5.0.0-1034-gcp_5.0.0-1034.35_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-5.0.0-1036-azure_5.0.0-1036.38_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-5.0.0-1014-oracle_5.0.0-1014.19_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-4325-1) linux-image-5.0.0-1047-oem-osp1_5.0.0-1047.52_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234