CVE-2012-0056

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.

• CWE-264

• http://blog.zx2c4.com/749Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3ccccVendor Advisory
• http://secunia.com/advisories/47708Broken Link
• http://ubuntu.com/usn/usn-1336-1Third Party Advisory
• http://www.kb.cert.org/vuls/id/470151Third Party Advisory, US Government Resource
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2Vendor Advisory
• http://www.openwall.com/lists/oss-security/2012/01/18/1Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2012/01/18/2Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2012/01/19/4Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2012/01/22/4Mailing List, Third Party Advisory
• http://www.redhat.com/support/errata/RHSA-2012-0052.htmlThird Party Advisory
• http://www.redhat.com/support/errata/RHSA-2012-0061.htmlThird Party Advisory
• http://www.securityfocus.com/bid/51625Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=782642Issue Tracking, Third Party Advisory
• http://blog.zx2c4.com/749Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3ccccVendor Advisory
• http://secunia.com/advisories/47708Broken Link
• http://ubuntu.com/usn/usn-1336-1Third Party Advisory
• http://www.kb.cert.org/vuls/id/470151Third Party Advisory, US Government Resource
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2Vendor Advisory
• http://www.openwall.com/lists/oss-security/2012/01/18/1Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2012/01/18/2Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2012/01/19/4Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2012/01/22/4Mailing List, Third Party Advisory
• http://www.redhat.com/support/errata/RHSA-2012-0052.htmlThird Party Advisory
• http://www.redhat.com/support/errata/RHSA-2012-0061.htmlThird Party Advisory
• http://www.securityfocus.com/bid/51625Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=782642Issue Tracking, Third Party Advisory

Published

Jan 27, 2012

Last Modified

Jun 16, 2026

Status

Modified

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