{ "CVE_data_meta": { "ASSIGNER": "security@ubuntu.com", "ID": "CVE-2011-0726", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the start_code and end_code fields in the /proc/#####/stat file for a process executing a PIE binary." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "[mm-commits] 20110314 + proc-protect-mm-start_code-end_code-in-proc-pid-stat.patch added to -mm tree", "refsource": "MLIST", "url": "http://www.spinics.net/lists/mm-commits/msg82726.html" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=684569", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=684569" }, { "name": "47791", "refsource": "BID", "url": "http://www.securityfocus.com/bid/47791" }, { "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5883f57ca0008ffc93e09cbb9847a1928e50c6f3", "refsource": "CONFIRM", "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5883f57ca0008ffc93e09cbb9847a1928e50c6f3" }, { "name": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.39/ChangeLog-2.6.39-rc1", "refsource": "CONFIRM", "url": "http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.39/ChangeLog-2.6.39-rc1" }, { "name": "RHSA-2011:0833", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2011-0833.html" }, { "name": "http://downloads.avaya.com/css/P8/documents/100145416", "refsource": "CONFIRM", "url": "http://downloads.avaya.com/css/P8/documents/100145416" }, { "name": "[linux-kernel] 20110311 [PATCH] proc: protect mm start_code/end_code in /proc/pid/stat", "refsource": "MLIST", "url": "https://lkml.org/lkml/2011/3/11/380" } ] } }