Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.12.8 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=197e7eIssue TrackingPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3981
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.9Release NotesVendor Advisory
- 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/197e7e521384a23b9e585178f3f11c9fa08274bIssue TrackingPatchThird Party Advisory
- https://source.android.com/security/bulletin/pixel/2018-01-01
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=197e7eIssue TrackingPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3981
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.9Release NotesVendor Advisory
- http://www.securityfocus.com/bid/100876
- https://access.redhat.com/errata/RHSA-2018:0676
FAQ
What is CVE-2017-14140?
CVE-2017-14140 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 exe...
How severe is CVE-2017-14140?
CVE-2017-14140 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-14140?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.