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Last updated: 8/23/2014 2:16:46 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-0636

Original release date: 01/22/2011
Last revised: 09/16/2011
Source: US-CERT/NIST

Overview

The (1) cudaHostAlloc and (2) cuMemHostAlloc functions in the NVIDIA CUDA Toolkit 3.2 developer drivers for Linux 260.19.26, and possibly other versions, do not initialize pinned memory, which allows local users to read potentially sensitive memory, such as file fragments during read or write operations.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.1 (LOW) (AV:L/AC:L/Au:N/C:P/I:N/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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External Source: MISC
Name: http://classic.chem.msu.su/cgi-bin/ceilidh.exe/gran/gamess/forum/?C35e9ea936bHW-7676-1022+00.htm
External Source: MISC
Name: http://classic.chem.msu.su/cgi-bin/ceilidh.exe/gran/gamess/forum/?C35e9ea936bHW-7675-1380-00.htm
External Source: MISC
Name: http://classic.chem.msu.su/cgi-bin/ceilidh.exe/gran/gamess/forum/?C35e9ea936bHW-7681-487+00.htm
External Source: SECTRACK
Name: 1024962
External Source: CONFIRM
Name: http://forums.nvidia.com/index.php?showtopic=190303
External Source: OSVDB
Name: 70420
External Source: BID
Name: 45717
External Source: XF
Name: cuda-toolkit-cudahostalloc-info-disc(64710)
External Source: MISC
Name: http://classic.chem.msu.su/cgi-bin/ceilidh.exe/gran/gamess/forum/?C35e9ea936bHW-7677-1391+00.htm
External Source: BUGTRAQ
Name: 20110107 CUDA drivers/Linux security hole
External Source: SECUNIA
Name: 42859
Type: Advisory
External Source: BUGTRAQ
Name: 20110201 fix for Nvidia CUDA drivers security breach

Vulnerable software and versions

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Technical Details

Vulnerability Type (View All)
  • Information Leak / Disclosure (CWE-200)