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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2011-1020 Detail

Description

The proc filesystem implementation in the Linux kernel 2.6.37 and earlier does not restrict access to the /proc directory tree of a process after this process performs an exec of a setuid program, which allows local users to obtain sensitive information or cause a denial of service via open, lseek, read, and write system calls.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://openwall.com/lists/oss-security/2011/02/24/18 CVE, Inc., Red Hat Mailing List  Third Party Advisory 
http://openwall.com/lists/oss-security/2011/02/25/2 CVE, Inc., Red Hat Mailing List  Third Party Advisory 
http://seclists.org/fulldisclosure/2011/Jan/421 CVE, Inc., Red Hat Exploit  Mailing List  Third Party Advisory 
http://secunia.com/advisories/43496 CVE, Inc., Red Hat Third Party Advisory 
http://securityreason.com/securityalert/8107 CVE, Inc., Red Hat Third Party Advisory 
http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/ CVE, Inc., Red Hat Exploit  Third Party Advisory 
http://www.securityfocus.com/bid/46567 CVE, Inc., Red Hat Third Party Advisory  VDB Entry 
https://exchange.xforce.ibmcloud.com/vulnerabilities/65693 CVE, Inc., Red Hat Third Party Advisory  VDB Entry 
https://lkml.org/lkml/2011/2/10/21 CVE, Inc., Red Hat Mailing List  Third Party Advisory 
https://lkml.org/lkml/2011/2/7/368 CVE, Inc., Red Hat Exploit  Mailing List  Third Party Advisory 
https://lkml.org/lkml/2011/2/7/404 CVE, Inc., Red Hat Mailing List  Third Party Advisory 
https://lkml.org/lkml/2011/2/7/414 CVE, Inc., Red Hat Mailing List  Third Party Advisory 
https://lkml.org/lkml/2011/2/7/466 CVE, Inc., Red Hat Mailing List  Third Party Advisory 
https://lkml.org/lkml/2011/2/7/474 CVE, Inc., Red Hat Mailing List  Third Party Advisory 
https://lkml.org/lkml/2011/2/9/417 CVE, Inc., Red Hat Mailing List  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-1020
NVD Published Date:
02/28/2011
NVD Last Modified:
04/10/2025
Source:
Red Hat, Inc.