CVE-2016-8630
UnknownEPSS 0.36%
Last modified
CVE-2016-8630 is a vulnerability of currently unknown severity. The x86_decode_insn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service (host OS crash) via a certain use of a ModR/M byte in an undefined instruction.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
The x86_decode_insn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service (host OS crash) via a certain use of a ModR/M byte in an undefined instruction.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.8.6 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d9092f52d7e61dd1557f2db2400ddb430e85937eIssue Tracking, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/11/22/3Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1393350Issue Tracking
- https://github.com/torvalds/linux/commit/d9092f52d7e61dd1557f2db2400ddb430e85937eIssue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d9092f52d7e61dd1557f2db2400ddb430e85937eIssue Tracking, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/11/22/3Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1393350Issue Tracking
- https://github.com/torvalds/linux/commit/d9092f52d7e61dd1557f2db2400ddb430e85937eIssue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-8630?
The x86_decode_insn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service (host OS crash) via a certain use of a ModR/M byte in an undefined instruction.
How severe is CVE-2016-8630?
Severity scoring for CVE-2016-8630 is pending analysis. The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2016-8630?
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.
Are you affected by CVE-2016-8630?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST