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CVE-2018-7540

Description

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.

Risk Information

Base Score
6.5
MODERATE
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.09

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Desktop 12-SP2 ) xen-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Desktop 12-SP2 ) xen-debugsource-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Server 12-SP2 ) xen-doc-html-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Desktop 12-SP2 ) xen-libs-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Desktop 12-SP2 ) xen-libs-32bit-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Desktop 12-SP2 ) xen-libs-debuginfo-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Desktop 12-SP2 ) xen-libs-debuginfo-32bit-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Server 12-SP2 ) xen-tools-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Server 12-SP2 ) xen-tools-debuginfo-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Server 12-SP2 ) xen-tools-domU-4.7.5_02-43.27.1.x86_64.rpmLinux
SUSE-SU-2018:0909-1(SUSE Linux Enterprise Server 12-SP2 ) xen-tools-domU-debuginfo-4.7.5_02-43.27.1.x86_64.rpmLinux

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