7.8high

CVE-2018-6927

The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 51%
Public exploits
0
none known

Summary

The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.

Exploit prediction (EPSS)

0.65% probability of exploitation in the next 30 days, higher than 51% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.04.6AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound
Technology feeds
Linux kernel (RSS, critical only)

References

  • debian.org /security/2018/dsa-4187 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • usn.ubuntu.com /3619-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /3697-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fbe0e839d1e22d88810f3ee3e2f1479be4c0a · x_refsource_MISC, x_transferred
  • access.redhat.com /errata/RHSA-2018:1062 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2018:0654 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • github.com /torvalds/linux/commit/fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /3697-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securityfocus.com /bid/103023 · vdb-entry, x_refsource_BID, x_transferred
  • access.redhat.com /errata/RHSA-2018:0676 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.14.15 · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /3698-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.debian.org /debian-lts-announce/2018/05/msg00000.html · mailing-list, x_refsource_MLIST, x_transferred
  • usn.ubuntu.com /3619-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /3698-2/ · vendor-advisory, x_refsource_UBUNTU, 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.