Vulnerability in Linux Kernel
CVE-2016-6136
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.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/91558 (vdb-entry)
- github.com/linux-audit/audit-kernel/issues/18 (Patch, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2016-2584.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2016-2574.html (vendor-advisory)
- github.com/torvalds/linux/commit/43761473c254b45883a64441dd0bc85a42f3645c (Patch, Issue Tracking)
- bugzilla.kernel.org/show_bug.cgi (Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- source.android.com/security/bulletin/2016-11-01.html
- www.securityfocus.com/archive/1/538835/30/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2016-6136?
- CVE-2016-6136 is a medium-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2016-08-06.
- How severe is CVE-2016-6136?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2016-6136 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.