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CVE-2018-15572

Description

The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it easier for attackers to conduct userspace-userspace spectreRSB attacks.

Risk Information

Base Score
6.5
MODERATE
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS Score
Exploitation Probability
0.042

Associated Vulnerability

VulnerabilityOS Platform
Linux kernel for Microsoft Azure Cloud systems (USN-3752-3) linux-image-oem_4.15.0.1021.23_amd64.debLinux
Linux kernel (USN-3775-1) linux-image-3.13.0-160-generic_3.13.0-160.210_i386.debLinux
Linux kernel (USN-3775-1) linux-image-3.13.0-160-generic_3.13.0-160.210_amd64.debLinux
Linux kernel (USN-3775-1) linux-image-3.13.0-160-lowlatency_3.13.0-160.210_i386.debLinux
Linux kernel (USN-3775-1) linux-image-3.13.0-160-lowlatency_3.13.0-160.210_amd64.debLinux
Linux kernel (USN-3776-1) linux-image-aws_4.4.0.1069.71_amd64.debLinux
Linux kernel (USN-3776-1) linux-image-kvm_4.4.0.1035.34_amd64.debLinux
Linux kernel (USN-3776-1) linux-image-generic_4.4.0.137.143_i386.debLinux
Linux kernel (USN-3776-1) linux-image-generic_4.4.0.137.143_amd64.debLinux
Linux kernel (USN-3776-1) linux-image-lowlatency_4.4.0.137.143_i386.debLinux
Linux kernel (USN-3776-1) linux-image-lowlatency_4.4.0.137.143_amd64.debLinux
Linux kernel (USN-3776-1) linux-image-4.4.0-1035-kvm_4.4.0-1035.41_amd64.debLinux
Linux kernel (USN-3776-1) linux-image-4.4.0-1069-aws_4.4.0-1069.79_amd64.debLinux
Linux kernel (USN-3776-1) linux-image-4.4.0-137-generic_4.4.0-137.163_i386.debLinux
Linux kernel (USN-3776-1) linux-image-4.4.0-137-generic_4.4.0-137.163_amd64.debLinux
Linux kernel (USN-3776-1) linux-image-4.4.0-137-lowlatency_4.4.0-137.163_i386.debLinux
Linux kernel (USN-3776-1) linux-image-4.4.0-137-lowlatency_4.4.0-137.163_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-3776-2) linux-image-aws_4.4.0.1031.31_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-3776-2) linux-image-4.4.0-1031-aws_4.4.0-1031.34_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-3776-2) linux-image-4.4.0-137-generic_4.4.0-137.163~14.04.1_i386.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-3776-2) linux-image-4.4.0-137-generic_4.4.0-137.163~14.04.1_amd64.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-3776-2) linux-image-4.4.0-137-lowlatency_4.4.0-137.163~14.04.1_i386.debLinux
Linux kernel for Amazon Web Services (AWS) systems (USN-3776-2) linux-image-4.4.0-137-lowlatency_4.4.0-137.163~14.04.1_amd64.debLinux
Linux kernel (USN-3777-1) linux-image-oem_4.15.0.1021.23_amd64.debLinux
Linux kernel (USN-3777-1) linux-image-4.15.0-1021-gcp_4.15.0-1021.22_amd64.debLinux
Linux kernel (USN-3777-1) linux-image-4.15.0-1021-oem_4.15.0-1021.24_amd64.debLinux
Linux kernel (USN-3777-1) linux-image-4.15.0-1023-aws_4.15.0-1023.23_amd64.debLinux
Linux kernel (USN-3777-1) linux-image-4.15.0-1023-kvm_4.15.0-1023.23_amd64.debLinux
Linux kernel (USN-3777-1) linux-image-4.15.0-36-generic_4.15.0-36.39_i386.debLinux
Linux kernel (USN-3777-1) linux-image-4.15.0-36-generic_4.15.0-36.39_amd64.debLinux
Linux kernel (USN-3777-1) linux-image-4.15.0-36-lowlatency_4.15.0-36.39_i386.debLinux
Linux kernel (USN-3777-1) linux-image-4.15.0-36-lowlatency_4.15.0-36.39_amd64.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-oem_4.15.0.36.59_amd64.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-4.15.0-1021-gcp_4.15.0-1021.22~16.04.1_amd64.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-4.15.0-36-generic_4.15.0-36.39~16.04.1_i386.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-4.15.0-36-generic_4.15.0-36.39~16.04.1_amd64.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-generic-hwe-16.04_4.15.0.36.59_i386.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-generic-hwe-16.04_4.15.0.36.59_amd64.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-4.15.0-36-lowlatency_4.15.0-36.39~16.04.1_i386.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-4.15.0-36-lowlatency_4.15.0-36.39~16.04.1_amd64.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-lowlatency-hwe-16.04_4.15.0.36.59_i386.debLinux
Linux kernel for Google Cloud Platform (GCP) systems (USN-3777-2) linux-image-lowlatency-hwe-16.04_4.15.0.36.59_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-3777-3) linux-image-azure_4.15.0.1025.31_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-3777-3) linux-image-4.15.0-1025-azure_4.15.0-1025.26_amd64.debLinux
Linux kernel for Microsoft Azure Cloud systems (USN-3777-3) linux-image-4.15.0-1025-azure_4.15.0-1025.26~16.04.1_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