CVE-2009-4004

HIGH

Linux Kernel <2.6.32-rc7 - Memory Corruption

Title source: llm

Description

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.

References (6)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9e38c3e01ad242fe2a625354cf065c34b01e3aa

[Broken Link, Vendor Advisory] http://secunia.com/advisories/37357

[Broken Link] http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/37035

[Broken Link] http://www.vupen.com/english/advisories/2009/3267

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/54302

Scores

CVSS v3 7.8

EPSS 0.0005

EPSS Percentile 14.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-119

Status draft

Affected Products (8)

linux/linux_kernel < 2.6.31.14

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

linux/linux_kernel

Timeline

Published Nov 20, 2009

Tracked Since Feb 18, 2026