Improper input validation in Linux Kernel
CVE-2009-4031
The do_insn_fetch function in arch/x86/kvm/emulate.c in the x86 emulator in the KVM subsystem in the Linux kernel before 2.6.32-rc8-next-20091125 tries to interpret instructions that contain too many bytes to be valid, which allows guest OS users to cause a denial of service (increased scheduling latency) on the host OS via unspecified manipulations related to SMP support.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.031 (87.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.32
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2009/11/25/1 (mailing-list, Mailing List, Third Party Advisory)
- secunia.com/advisories/37720 (Third Party Advisory, third-party-advisory)
- lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html (vendor-advisory, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091125.gz (Patch, Vendor Advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:11089 (signature, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2009/11/25/3 (mailing-list, Mailing List, Third Party Advisory)
- www.redhat.com/archives/fedora-package-announce/2009-December/msg00777.html (vendor-advisory, Third Party Advisory)
- git.kernel.org/
- www.securityfocus.com/bid/37130 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)