Indira Biruduraju b7b5bca415 msm: kgsl: Remove VM_MAYWRITE flag to restrict mprotect ...

When VM_MAYWRITE flag is used during mmap(), mprotect()
can be used later to change the protection of memstore
to allow write. Make sure this does not happen by
removing VM_MAYWRITE from the vm_flags of vma.

Change-Id: I6f69f05858ea40611d512cfa796caabeaa88cdb5
Signed-off-by: Indira Biruduraju <ibirudur@codeaurora.org>
CVE-2020-11282
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>

2021-02-26 09:53:48 +01:00

..

drm

Merge tag 'v3.4.113' into lineage-16.0

2019-08-05 14:20:47 +02:00

gpu_sysfs

misc: Import SM-G900H kernel source code

2019-08-02 15:14:10 +02:00

ion

ion: invalidate the pool pointers after free

2019-08-09 11:42:04 +02:00

msm

msm: kgsl: Remove VM_MAYWRITE flag to restrict mprotect

2021-02-26 09:53:48 +01:00

stub

…

vga

Merge tag 'v3.4.113' into lineage-16.0

2019-08-05 14:20:47 +02:00

Makefile

misc: Import SM-G900H kernel source code

2019-08-02 15:14:10 +02:00