4.7med

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…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
4.7
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 19%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.27% probability of exploitation in the next 30 days, higher than 19% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.04.7CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD2.01.9AV:L/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
Technology feeds
Linux kernel (RSS, critical only)

References

  • securityfocus.com /bid/91558 · vdb-entry, x_refsource_BID, x_transferred
  • github.com /linux-audit/audit-kernel/issues/18 · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2584.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2574.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • github.com /torvalds/linux/commit/43761473c254b45883a64441dd0bc85a42f3645c · x_refsource_CONFIRM, x_transferred
  • bugzilla.kernel.org /show_bug.cgi?id=120681 · x_refsource_CONFIRM, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1353533 · x_refsource_CONFIRM, x_transferred
  • source.android.com /security/bulletin/2016-11-01.html · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /archive/1/538835/30/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=43761473c254b45883a64441dd0bc85a42f36 · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0307.html · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.