CVE-2016-9588
UnknownEPSS 0.43%
Last modified
CVE-2016-9588 is a vulnerability of currently unknown severity. arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by an L2 guest.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
Description
arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by an L2 guest.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.9 |
References
- http://www.openwall.com/lists/oss-security/2016/12/15/3Mailing List, Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=1404924Issue Tracking
- https://github.com/torvalds/linux/commit/ef85b67385436ddc1998f45f1d6a210f935b3388Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/15/3Mailing List, Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=1404924Issue Tracking
- https://github.com/torvalds/linux/commit/ef85b67385436ddc1998f45f1d6a210f935b3388Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-9588?
arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by an L2 guest.
How severe is CVE-2016-9588?
Severity scoring for CVE-2016-9588 is pending analysis. The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2016-9588?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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