5.5med

CVE-2017-14140

The move_pages system call in mm/migrate.c in the Linux kernel before 4.12.9 doesn't check the effective uid of the target process, enablin…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 41%
Public exploits
0
none known

Summary

The move_pages system call in mm/migrate.c in the Linux kernel before 4.12.9 doesn't check the effective uid of the target process, enabling a local attacker to learn the memory layout of a setuid executable despite ASLR.

Exploit prediction (EPSS)

0.47% probability of exploitation in the next 30 days, higher than 41% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds
Linux kernel (RSS, critical only)

References

  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.12.9 · x_refsource_CONFIRM, x_transferred
  • usn.ubuntu.com /3583-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • access.redhat.com /errata/RHSA-2018:1062 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • source.android.com /security/bulletin/pixel/2018-01-01 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-3981 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • usn.ubuntu.com /3583-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • access.redhat.com /errata/RHSA-2018:0676 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • github.com /torvalds/linux/commit/197e7e521384a23b9e585178f3f11c9fa08274b9 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/100876 · vdb-entry, x_refsource_BID, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=197e7e521384a23b9e585178f3f11c9fa0827 · 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.