CVE-2017-14140

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.9 release notes vendor advisory
https://usn.ubuntu.com/3583-2/ vendor advisory
https://access.redhat.com/errata/RHSA-2018:1062 vendor advisory
https://source.android.com/security/bulletin/pixel/2018-01-01
http://www.debian.org/security/2017/dsa-3981 vendor advisory
https://usn.ubuntu.com/3583-1/ vendor advisory
https://access.redhat.com/errata/RHSA-2018:0676 vendor advisory
https://github.com/torvalds/linux/commit/197e7e521384a23b9e585178f3f11c9fa08274b9 patch third party advisory issue tracking
http://www.securityfocus.com/bid/100876 vdb entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=197e7e521384a23b9e585178f3f11c9fa08274b9 patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-14140?
CVE-2017-14140 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14140?
To fix CVE-2017-14140, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-14140 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-14140 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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