Vzkernel
CVE-2013-2239
MEDIUM
Severity by source
AV:L/AC:M/Au:N/C:C/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
AV:L/AC:M/Au:N/C:C/I:N/A:N
Lifecycle Timeline
1DescriptionCVE.org
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.
AnalysisAI
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. Rated medium severity (CVSS 4.7). No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-264. 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 include: Openvz Vzkernel. Version information: before 042.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Same technique Privilege Escalation
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External POC / Exploit Code
Leaving vuln.today