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CVE-2018-18883

Description

An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.

Risk Information

Base Score
8.8
MODERATE
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.172

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Desktop 12-SP3 ) xen-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Desktop 12-SP3 ) xen-debugsource-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Desktop 12-SP3 ) xen-libs-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Desktop 12-SP3 ) xen-libs-32bit-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Desktop 12-SP3 ) xen-libs-debuginfo-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Desktop 12-SP3 ) xen-libs-debuginfo-32bit-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Server 12-SP3 ) xen-doc-html-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Server 12-SP3 ) xen-tools-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Server 12-SP3 ) xen-tools-debuginfo-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Server 12-SP3 ) xen-tools-domU-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2018:4070-1(SUSE Linux Enterprise Server 12-SP3 ) xen-tools-domU-debuginfo-4.9.3_03-3.47.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Desktop 12-SP4 ) xen-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Desktop 12-SP4 ) xen-debugsource-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Desktop 12-SP4 ) xen-libs-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Desktop 12-SP4 ) xen-libs-32bit-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Desktop 12-SP4 ) xen-libs-debuginfo-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Server 12-SP4 ) xen-doc-html-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Desktop 12-SP4 ) xen-libs-debuginfo-32bit-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Server 12-SP4 ) xen-tools-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Server 12-SP4 ) xen-tools-debuginfo-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Server 12-SP4 ) xen-tools-domU-4.11.1_02-2.3.1.x86_64.rpmLinux
SUSE-SU-2019:0003-1(SUSE Linux Enterprise Server 12-SP4 ) xen-tools-domU-debuginfo-4.11.1_02-2.3.1.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