7.8high

CVE-2017-7487

The ipxitf_ioctl function in net/ipx/af_ipx.c in the Linux kernel through 4.11.1 mishandles reference counts, which allows local users to c…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 32%
Public exploits
0
none known

Summary

The ipxitf_ioctl function in net/ipx/af_ipx.c in the Linux kernel through 4.11.1 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a failed SIOCGIFADDR ioctl call for an IPX interface.

Exploit prediction (EPSS)

0.38% probability of exploitation in the next 30 days, higher than 32% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a Linux kernel through 4.11.1

Classification

Weakness
Technology feeds
Linux kernel (RSS, critical only)

References

  • securitytracker.com /id/1039237 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • github.com /torvalds/linux/commit/ee0d8d8482345ff97a75a7d747efc309f13b0d80 · x_refsource_CONFIRM, x_transferred
  • source.android.com /security/bulletin/2017-09-01 · x_refsource_CONFIRM, x_transferred
  • patchwork.ozlabs.org /patch/757549/ · x_refsource_CONFIRM, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee0d8d8482345ff97a75a7d747efc309f13b0 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/98439 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2017/dsa-3886 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1447734 · 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.