Description
An issue was discovered in the __ns_get_path function in fs/nsfs.c in the Linux kernel before 4.11. Due to a race condition when accessing files, a Use After Free condition can occur. This also affects all Android releases from CAF using the Linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-07-05.
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/2018/07/02/july-2018-code-aurora-security-bulletin ↗
- https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=34742aaf7cb16c95edba4a7afed6d2c4fa7e434b ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=073c516ff73557a8f7315066856c04b50383ac34 ↗
- https://source.android.com/security/bulletin/2018-07-01 ↗
- https://github.com/torvalds/linux/commit/073c516ff73557a8f7315066856c04b50383ac34 ↗