Vulnerability CVE-2016-6136
Published: 2016-08-06

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Linux 4.6 auditsc.c Double-Fetch
Pengfei Wang
06.07.2016

Type:

CWE-362

CVSS2 => (AV:L/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
1.9/10
2.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Linux -> Linux kernel 

 References:
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
Copyright 2024, cxsecurity.com

 

Back to Top