CVE-2009-1758

Public Exploit

Description

The hypervisor_callback function in Xen, possibly before 3.4.0, as applied to the Linux kernel 2.6.30-rc4, 2.6.18, and probably other versions allows guest user applications to cause a denial of service (kernel oops) of the guest OS by triggering a segmentation fault in "certain address ranges."

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.67% Top 30%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/35093 third party advisory
http://www.openwall.com/lists/oss-security/2009/05/14/2 mailing list
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10313 signature vdb entry
http://secunia.com/advisories/35298 third party advisory
http://www.securityfocus.com/bid/34957 vdb entry
http://lists.xensource.com/archives/html/xen-devel/2009-05/msg00561.html exploit mailing list
http://www.debian.org/security/2009/dsa-1809 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-1758?
CVE-2009-1758 has been scored as a medium severity vulnerability.
How to fix CVE-2009-1758?
To fix CVE-2009-1758, 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-2009-1758 being actively exploited in the wild?
It is possible that CVE-2009-1758 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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