CVE-2009-3290

Description

The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses."

Category

7.2
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=524124
http://www.ubuntu.com/usn/USN-852-1 vendor advisory
http://www.openwall.com/lists/oss-security/2009/09/18/1 mailing list
http://patchwork.kernel.org/patch/38926/ patch
http://www.redhat.com/support/errata/RHSA-2009-1465.html vendor advisory
http://www.openwall.com/lists/oss-security/2009/09/22/8 mailing list
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11328 vdb entry signature
http://www.openwall.com/lists/oss-security/2009/09/21/1 mailing list
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=07708c4af1346ab1521b26a202f438366b7bcffd
http://secunia.com/advisories/37105 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-3290?
CVE-2009-3290 has been scored as a high severity vulnerability.
How to fix CVE-2009-3290?
To fix CVE-2009-3290, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-3290 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2009-3290 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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