CVE-2016-6136

Severity: medium (CVSS 4.7 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-08-06 · updated 2026-06-17
Weakness: CWE-362

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.

Affected products

Linux kernel: through 4.7

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
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=43761473c254b45883a64441dd0bc85a42f3645c

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