Vulnerability CVE-2017-14140
Published: 2017-09-05

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.

Type:

CWE-200

 (Information Exposure)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Linux -> Linux kernel 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=197e7e521384a23b9e585178f3f11c9fa08274b9
http://www.debian.org/security/2017/dsa-3981
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.9
http://www.securityfocus.com/bid/100876
https://access.redhat.com/errata/RHSA-2018:0676
https://access.redhat.com/errata/RHSA-2018:1062
https://github.com/torvalds/linux/commit/197e7e521384a23b9e585178f3f11c9fa08274b9
https://source.android.com/security/bulletin/pixel/2018-01-01
https://usn.ubuntu.com/3583-1/
https://usn.ubuntu.com/3583-2/
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