Description
arch/arm64/mm/dma-mapping.c in the Linux kernel before 4.0.3, as used in the ION subsystem in Android and other products, does not initialize certain data structures, which allows local users to obtain sensitive information from kernel memory by triggering a dma_mmap call.
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
- https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=6e2c437a2d0a85d90d3db85a7471f99764f7bbf8 ↗
- https://github.com/torvalds/linux/commit/6829e274a623187c24f7cfc0e3d35f25d087fcc5 ↗
- http://source.android.com/security/bulletin/2016-10-01.html ↗
- http://www.securityfocus.com/bid/93318 ↗
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3 ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6829e274a623187c24f7cfc0e3d35f25d087fcc5 ↗