CVE-2017-2596
medium
CVSS v3
6.5
CVSS v4 NEW
—
VIR risk
6.5
Description
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.
Predictions
Exploit likelihood
65%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.9.13-1 |
| debian | bullseye | fixed | 4.9.13-1 |
| debian | forky | fixed | 4.9.13-1 |
| debian | sid | fixed | 4.9.13-1 |
| debian | trixie | fixed | 4.9.13-1 |
| linux-kernel | affected | |
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
- https://www.suse.com/security/cve/CVE-2017-2596.html
- https://security-tracker.debian.org/tracker/CVE-2017-2596
CWEs
CWE-772
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.