CVE-2013-2239

Description

vzkernel before 042stab080.2 in the OpenVZ modification for the Linux kernel 2.6.32 does not initialize certain length variables, which allows local users to obtain sensitive information from kernel stack memory via (1) a crafted ploop driver ioctl call, related to the ploop_getdevice_ioc function in drivers/block/ploop/dev.c, or (2) a crafted quotactl system call, related to the compat_quotactl function in fs/quota/quota.c.

Category

4.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://wiki.openvz.org/Download/kernel/rhel6-testing/042stab080.2
http://www.debian.org/security/2013/dsa-2766 vendor advisory
https://bugs.gentoo.org/show_bug.cgi?id=475762
https://security-tracker.debian.org/tracker/CVE-2013-2239
http://openwall.com/lists/oss-security/2013/07/04/9 mailing list

Frequently Asked Questions

What is the severity of CVE-2013-2239?
CVE-2013-2239 has been scored as a medium severity vulnerability.
How to fix CVE-2013-2239?
To fix CVE-2013-2239, 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-2013-2239 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-2239 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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