01 Record
CVE-2009-3640
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
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 31.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-10-29 14:00Z17 YR AGO
- Last updated
- 2024-08-07 06:38Z2 YR AGO
- Reserved
- 2009-10-09
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 565d2f1afa930616f66b9cb854715610723eb6a4b6df9ecfc3db4c50c616c328
05 Affected products
VendorProductVersionsPlatforms
06 References
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=88c808fd42b53a7e01a2ac3253ef31fef74cb5af
- marc.info[oss-security] 20091023 CVE request: kvm: update_cr8_intercept() NULL pointer dereferencehttp://marc.info/?l=oss-security&m=125626965020571&w=2
- marc.info[oss-security] 20091024 Re: CVE request: kvm: update_cr8_intercept() NULL pointer dereferencehttp://marc.info/?l=oss-security&m=125640417219385&w=2
- www.securityfocus.com36805http://www.securityfocus.com/bid/36805
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc1
- exchange.xforce.ibmcloud.comkernel-updatecr8intercept-dos(53947)https://exchange.xforce.ibmcloud.com/vulnerabilities/53947