CVE-2009-4271

Description

The Linux kernel 2.6.9 through 2.6.17 on the x86_64 and amd64 platforms allows local users to cause a denial of service (panic) via a 32-bit application that calls mprotect on its Virtual Dynamic Shared Object (VDSO) page and then triggers a segmentation fault.

4.7

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.05%

Vendor Advisory redhat.com

Affected: n/a n/a

References

Link	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=548876
https://rhn.redhat.com/errata/RHSA-2010-0146.html	vendor advisory
http://www.openwall.com/lists/oss-security/2010/03/17/1	mailing list
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10248	vdb entry signature

Frequently Asked Questions

What is the severity of CVE-2009-4271?: CVE-2009-4271 has been scored as a medium severity vulnerability.
How to fix CVE-2009-4271?: To fix CVE-2009-4271, 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-2009-4271 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2009-4271 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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