CVE-2011-1020

N/A Unknown
Published: February 28, 2011 Modified: April 29, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/24/18
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/25/2
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2011/Jan/421
Source: secalert@redhat.com
Exploit Mailing List Third Party Advisory
http://secunia.com/advisories/43496
Source: secalert@redhat.com
Third Party Advisory
http://securityreason.com/securityalert/8107
Source: secalert@redhat.com
Third Party Advisory
http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/
Source: secalert@redhat.com
Exploit Third Party Advisory
http://www.securityfocus.com/bid/46567
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/65693
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://lkml.org/lkml/2011/2/10/21
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/368
Source: secalert@redhat.com
Exploit Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/404
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/414
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/466
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/474
Source: secalert@redhat.com
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/9/417
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/24/18
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/25/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2011/Jan/421
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Mailing List Third Party Advisory
http://secunia.com/advisories/43496
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://securityreason.com/securityalert/8107
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
http://www.securityfocus.com/bid/46567
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/65693
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://lkml.org/lkml/2011/2/10/21
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/368
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/404
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/414
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/466
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/7/474
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lkml.org/lkml/2011/2/9/417
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory

30 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.9%
56th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

linux