CVE-2012-0056

N/A Unknown
Published: January 27, 2012 Modified: April 29, 2026
View on NVD

Description

The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://blog.zx2c4.com/749
Source: secalert@redhat.com
Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/47708
Source: secalert@redhat.com
Broken Link
http://ubuntu.com/usn/usn-1336-1
Source: secalert@redhat.com
Third Party Advisory
http://www.kb.cert.org/vuls/id/470151
Source: secalert@redhat.com
Third Party Advisory US Government Resource
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
Source: secalert@redhat.com
Vendor Advisory
http://www.openwall.com/lists/oss-security/2012/01/18/1
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/18/2
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/19/4
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/22/4
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2012-0052.html
Source: secalert@redhat.com
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2012-0061.html
Source: secalert@redhat.com
Third Party Advisory
http://www.securityfocus.com/bid/51625
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=782642
Source: secalert@redhat.com
Issue Tracking Third Party Advisory
http://blog.zx2c4.com/749
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/47708
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://ubuntu.com/usn/usn-1336-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.kb.cert.org/vuls/id/470151
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.openwall.com/lists/oss-security/2012/01/18/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/18/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/19/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2012/01/22/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2012-0052.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2012-0061.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/51625
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=782642
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory

28 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
10.9%
95th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-264

Affected Vendors

linux

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