Vulnerability Details : CVE-2009-2287
The kvm_arch_vcpu_ioctl_set_sregs function in the KVM in Linux kernel 2.6 before 2.6.30, when running on x86 systems, does not validate the page table root in a KVM_SET_SREGS call, which allows local users to cause a denial of service (crash or hang) via a crafted cr3 value, which triggers a NULL pointer dereference in the gfn_to_rmap function.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2009-2287
- cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*
Threat overview for CVE-2009-2287
Top countries where our scanners detected CVE-2009-2287
Top open port discovered on systems with this issue
52869
IPs affected by CVE-2009-2287 14,950
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2009-2287!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2009-2287
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2009-2287
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
CWE ids for CVE-2009-2287
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The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
Vendor statements for CVE-2009-2287
-
Red Hat 2009-07-01Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and 5, and Red Hat Enterprise MRG.
References for CVE-2009-2287
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=59839dfff5eabca01cc4e20b45797a60a80af8cb
Mailing List;Patch;Vendor Advisory
-
http://www.ubuntu.com/usn/usn-807-1
Third Party Advisory
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http://www.openwall.com/lists/oss-security/2009/06/30/1
Mailing List;Patch;Third Party Advisory
-
http://sourceforge.net/tracker/?func=detail&atid=893831&aid=2687641&group_id=180599
Third Party Advisory
-
http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git;a=blob;f=queue-2.6.30/kvm-x86-check-for-cr3-validity-in-ioctl_set_sregs.patch;h=b48a47dad2cf76358b327368f80c0805e6370c68;hb=e7c45b24f298b5d9efd7d401150f64a1b51aaac4
Mailing List;Patch;Vendor Advisory
-
http://www.debian.org/security/2009/dsa-1845
Third Party Advisory
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