vulnwire
7.0high

CVE-2017-2636

Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of servic…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.0
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.0%
percentile 64%
Public exploits
0
none known

Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of service (double free) by setting the HDLC line discipline.

Exploit prediction (EPSS)

1.03% probability of exploitation in the next 30 days, higher than 64% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.06.9AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
  • CWE-415 Double Free
Technology feeds
Linux kernel (RSS, critical only)

References

  • access.redhat.com /errata/RHSA-2017:0892 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securityfocus.com /bid/96732 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1037963 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • access.redhat.com /errata/RHSA-2017:0932 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • openwall.com /lists/oss-security/2017/03/07/6 · mailing-list, x_refsource_MLIST, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1428319 · x_refsource_CONFIRM, x_transferred
  • a13xp0p0v.github.io /2017/03/24/CVE-2017-2636.html · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2017:1125 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:0933 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:1232 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:0931 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • debian.org /security/2017/dsa-3804 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • access.redhat.com /errata/RHSA-2017:1233 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:1488 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:0986 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:1126 · 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.