CVE-2016-6136 Information

Description

Race condition in the audit_log_single_execve_arg function in kernel/auditsc.c in the Linux kernel through 4.7 allows local users to bypass intended character-set restrictions or disrupt system-call auditing by changing a certain string aka a \double fetch\ vulnerability.

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=43761473c254b45883a64441dd0bc85a42f3645c http://rhn.redhat.com/errata/RHSA-2016-2574.html http://rhn.redhat.com/errata/RHSA-2016-2584.html http://rhn.redhat.com/errata/RHSA-2017-0307.html http://www.securityfocus.com/archive/1/538835/30/0/threaded http://www.securityfocus.com/bid/91558 https://bugzilla.kernel.org/show_bug.cgi?id=120681 https://bugzilla.redhat.com/show_bug.cgi?id=1353533 https://github.com/linux-audit/audit-kernel/issues/18 https://github.com/torvalds/linux/commit/43761473c254b45883a64441dd0bc85a42f3645c https://source.android.com/security/bulletin/2016-11-01.html

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

4.7