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CVE-2020-27672

Description

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.

Risk Information

Base Score
7.0
MODERATE
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.039

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-debugsource-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-doc-html-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-libs-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-libs-32bit-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-libs-debuginfo-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-libs-debuginfo-32bit-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-tools-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-tools-debuginfo-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-tools-domU-4.12.3_10-3.27.1.x86_64.rpmLinux
SUSE-SU-2020:3050-1(SUSE Linux Enterprise Server 12-SP5 ) xen-tools-domU-debuginfo-4.12.3_10-3.27.1.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