CVE-2013-2239

Severity: medium (CVSS 4.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-11-12 · updated 2026-06-16
Weakness: CWE-264

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.

Affected products

Openvz Vzkernel: 2.6.32

References

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

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