Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-2287

18
FAUCET Score

CVE-2009-2287 describes a denial-of-service vulnerability in the KVM hypervisor within Linux kernel versions prior to 2.6.30, specifically affecting x86 systems. A local attacker can trigger a system crash or hang by providing a crafted cr3 value during a KVM_SET_SREGS call, leading to a NULL pointer dereference. This vulnerability has a CVSS score of 4.9, indicating a low-complexity local attack that results in high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.0, < 2.6.30CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.06CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
8.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:*
8.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
9.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

AV:L/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 59th percentile among its peer group of 3,052 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-2287Important

kernel: KVM: x86: check for cr3 validity in ioctl_set_sregs

Mar 15, 2009

References

git.kernel.org
git.kernel.org
secunia.com / advisories/35675
Broken Link
secunia.com / advisories/36045
Broken Link
secunia.com / advisories/36054
Broken Link
sourceforge.net / tracker
Third Party Advisory
debian.org / security/2009/dsa-1845
Third Party Advisory
mandriva.com / security/advisories
Broken Link
openwall.com / lists/oss-security/2009/06/30/1
Mailing ListPatchThird Party Advisory
ubuntu.com / usn/usn-807-1
Third Party Advisory