CVE-2017-2583
UnknownEPSS 0.58%
Last modified
CVE-2017-2583 is a vulnerability of currently unknown severity. The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.
Description
The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.9.4 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3Issue Tracking, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/19/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95673Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1414735Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3Issue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3Issue Tracking, Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/19/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95673Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1414735Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-2583?
The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.
How severe is CVE-2017-2583?
Severity scoring for CVE-2017-2583 is pending analysis. The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.
How do I fix CVE-2017-2583?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2017-2583?
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Scan your code nowSource: NVD / NIST