Vulnerability in Linux Kernel
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.
EPSS: 0.004 (32.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Issue Tracking)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2017-2596?
- CVE-2017-2596 is a medium-severity vulnerability in Linux Kernel, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2017-02-06.
- How severe is CVE-2017-2596?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2017-2596 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.