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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.41% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9e38c3e01ad242fe2a625354cf065c34b01e3aa
- http://secunia.com/advisories/37357Broken Link, Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7Broken Link
- http://www.securityfocus.com/bid/37035Third Party Advisory, VDB Entry
- http://www.vupen.com/english/advisories/2009/3267Broken Link
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54302Third Party Advisory, VDB Entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9e38c3e01ad242fe2a625354cf065c34b01e3aa
- http://secunia.com/advisories/37357Broken Link, Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7Broken Link
- http://www.securityfocus.com/bid/37035Third Party Advisory, VDB Entry
- http://www.vupen.com/english/advisories/2009/3267Broken Link
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54302Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.