Description
In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, userspace can request ION cache maintenance on a secure ION buffer for which the ION_FLAG_SECURE ion flag is not set and cause the kernel to attempt to perform cache maintenance on memory which does not belong to HLOS.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android
All Android releases from CAF using the Linux kernelaffected
References
- https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin ↗
- https://support.blackberry.com/kb/articleDetail?language=en_US&articleNumber=000049462 ↗
- https://source.codeaurora.org/quic/la/kernel/msm-4.4/commit/?id=09874396dfbf546e5a628d810fcf5ea51a4d5785 ↗
- https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=53261410da625aaa2e070555aaa150a8533e5be4 ↗
- https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=3286b75d91519073d2f20bee85f22e294d5f1a18 ↗