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CVE
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CVE-2009-3640Date: (C)2009-10-29   (M)2018-02-19


The update_cr8_intercept function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc1 does not properly handle the absence of an Advanced Programmable Interrupt Controller (APIC), which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly gain privileges via a call to the kvm_vcpu_ioctl function.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 4.9
Exploit Score: Exploit Score: 3.9
Impact Score: Impact Score: 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: LOCAL
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: COMPLETE
Integrity:  
Availability:  
  
Reference:
BID-36805
http://marc.info/?l=oss-security&m=125626965020571&w=2
http://marc.info/?l=oss-security&m=125640417219385&w=2
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=88c808fd42b53a7e01a2ac3253ef31fef74cb5af
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc1
kernel-updatecr8intercept-dos(53947)

CPE    335
cpe:/o:linux:linux_kernel:2.6.20.19
cpe:/o:linux:linux_kernel:2.6.23.1
cpe:/o:linux:linux_kernel:2.6.23.2
cpe:/o:linux:linux_kernel:2.6.23.3
...
CWE    1
CWE-20

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