CVE-2013-1943

Description

The KVM subsystem in the Linux kernel before 3.0 does not check whether kernel addresses are specified during allocation of memory slots for use in a guest's physical address space, which allows local users to gain privileges or obtain sensitive information from kernel memory via a crafted application, related to arch/x86/kvm/paging_tmpl.h and virt/kvm/kvm_main.c.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://web.archive.org/web/20130329070349/http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0 broken link
https://github.com/torvalds/linux/commit/fa3d315a4ce2c0891cdde262562e710d95fba19e third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=950490 issue tracking third party advisory patch
http://www.ubuntu.com/usn/USN-1939-1 third party advisory vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa3d315a4ce2c0891cdde262562e710d95fba19e

Frequently Asked Questions

What is the severity of CVE-2013-1943?
CVE-2013-1943 has been scored as a high severity vulnerability.
How to fix CVE-2013-1943?
To fix CVE-2013-1943, 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-2013-1943 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-1943 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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