Buffer overflow in Linux Kernel
CVE-2009-4004
Buffer overflow in the kvm_vcpu_ioctl_x86_setup_mce function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc7 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a KVM_X86_SETUP_MCE IOCTL request that specifies a large number of Machine Check Exception (MCE) banks.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.32
Weakness classification (CWE)
References
- www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7 (Broken Link)
- www.securityfocus.com/bid/37035 (VDB Entry, Third Party Advisory, vdb-entry)
- git.kernel.org/
- www.vupen.com/english/advisories/2009/3267 (vdb-entry, Broken Link)
- exchange.xforce.ibmcloud.com/vulnerabilities/54302 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/37357 (Broken Link, Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2009-4004?
- CVE-2009-4004 is a high-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2009-11-20.
- How severe is CVE-2009-4004?
- High severity. CVSS v3 base score is 7.8 out of 10.