7.0high

CVE-2017-18202

The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel before 4.14.4 mishandles gather operations, which allows attackers to…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.0
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 32%
Public exploits
0
none known

Summary

The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel before 4.14.4 mishandles gather operations, which allows attackers to cause a denial of service (TLB entry leak or use-after-free) or possibly have unspecified other impact by triggering a copy_to_user call within a certain time window.

Exploit prediction (EPSS)

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

CVSS scores

Assigned byVersionScoreVector
NVD3.17.0CVSS: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
Technology feeds
Linux kernel (RSS, critical only)

References

  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=687cb0884a714ff484d038e9190edc874edcf · x_refsource_MISC, x_transferred
  • github.com /torvalds/linux/commit/687cb0884a714ff484d038e9190edc874edcf146 · x_refsource_MISC, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.14.4 · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/103161 · vdb-entry, x_refsource_BID, x_transferred
  • access.redhat.com /errata/RHSA-2018:2772 · 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.