Description
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.
References (10)
Core 10
Core References
Release Notes, Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.9
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3583-2/
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1062
Vendor Advisory x_refsource_confirm
https://source.android.com/security/bulletin/pixel/2018-01-01
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3981
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3583-1/
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0676
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/197e7e521384a23b9e585178f3f11c9fa08274b9
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100876
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=197e7e521384a23b9e585178f3f11c9fa08274b9
Scores
CVSS v3
5.5
EPSS
0.0007
EPSS Percentile
21.5%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (1)
linux/linux_kernel
< 4.12.8
Published
Sep 05, 2017
Tracked Since
Feb 18, 2026