7.5high

CVE-2016-8666

The IP stack in the Linux kernel before 4.6 allows remote attackers to cause a denial of service (stack consumption and panic) or possibly…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
4.7%
percentile 92%
Public exploits
0
none known

Summary

The IP stack in the Linux kernel before 4.6 allows remote attackers to cause a denial of service (stack consumption and panic) or possibly have unspecified other impact by triggering use of the GRO path for packets with tunnel stacking, as demonstrated by interleaved IPv4 headers and GRE headers, a related issue to CVE-2016-7039.

Exploit prediction (EPSS)

4.70% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.07.8AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
Technology feeds
Linux kernel (RSS, critical only)

References

  • rhn.redhat.com /errata/RHSA-2016-2107.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:0372 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bto.bluecoat.com /security-advisory/sa134 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/93562 · vdb-entry, x_refsource_BID, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fac8e0f579695a3ecbc4d3cac369139d7f819 · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2047.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2110.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • openwall.com /lists/oss-security/2016/10/13/11 · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /torvalds/linux/commit/fac8e0f579695a3ecbc4d3cac369139d7f819971 · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0004.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1384991 · x_refsource_CONFIRM, x_transferred
  • bugzilla.suse.com /show_bug.cgi?id=1001486 · x_refsource_CONFIRM, 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.