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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.9 ↗
- https://usn.ubuntu.com/3583-2/ ↗
- https://access.redhat.com/errata/RHSA-2018:1062 ↗
- https://source.android.com/security/bulletin/pixel/2018-01-01 ↗
- http://www.debian.org/security/2017/dsa-3981 ↗
- https://usn.ubuntu.com/3583-1/ ↗
- https://access.redhat.com/errata/RHSA-2018:0676 ↗
- https://github.com/torvalds/linux/commit/197e7e521384a23b9e585178f3f11c9fa08274b9 ↗
- http://www.securityfocus.com/bid/100876 ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=197e7e521384a23b9e585178f3f11c9fa08274b9 ↗