CVE-2017-2596

The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.

Score

CVSS 3.0 6.5 Medium

Status

Modified - secalert@redhat.com

Published

2017-02-06

Last modified

2024-08-05

Weaknesses

CWE-772

Affected products

• Linux Kernel (Linux)

References

• http://www.debian.org/security/2017/dsa-3791
• http://www.openwall.com/lists/oss-security/2017/01/31/4
• http://www.securityfocus.com/bid/95878
• https://access.redhat.com/errata/RHSA-2017:1842
• https://access.redhat.com/errata/RHSA-2017:2077
• https://bugzilla.redhat.com/show_bug.cgi?id=1417812