CVE-2012-2373

Description

The Linux kernel before 3.4.5 on the x86 platform, when Physical Address Extension (PAE) is enabled, does not properly use the Page Middle Directory (PMD), which allows local users to cause a denial of service (panic) via a crafted application that triggers a race condition.

Category

4.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory marc.info
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5
http://rhn.redhat.com/errata/RHSA-2012-0743.html vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=26c191788f18129af0eb32a358cdaea0c7479626
http://www.openwall.com/lists/oss-security/2012/05/18/11 mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=822821
https://github.com/torvalds/linux/commit/26c191788f18129af0eb32a358cdaea0c7479626 patch
http://ubuntu.com/usn/usn-1529-1 vendor advisory
http://marc.info/?l=bugtraq&m=139447903326211&w=2 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-2373?
CVE-2012-2373 has been scored as a medium severity vulnerability.
How to fix CVE-2012-2373?
To fix CVE-2012-2373, 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-2012-2373 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-2373 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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