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Bug 1535199 - (CVE-2017-13216) CVE-2017-13216 kernel: escalation of privileges (EoP) in ashmem_ioctl function in drivers/staging/android/ashmen.c
CVE-2017-13216 kernel: escalation of privileges (EoP) in ashmem_ioctl functio...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20180102,repor...
: Security
Depends On: 1535200
Blocks: 1535203
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Reported: 2018-01-16 15:04 EST by Laura Pardo
Modified: 2018-08-28 18:32 EDT (History)
35 users (show)

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Description Laura Pardo 2018-01-16 15:04:34 EST 
A flaw was found in ashmem_ioctl of ashmem.c, there is an out-of-bounds write due to insufficient locking when accessing asma. This could lead to a local elevation of privilege enabling code execution as a privileged process with no additional execution privileges needed. User interaction is not needed for exploitation.

References:
https://source.android.com/security/bulletin/2018-01-01#asterisk
https://www.exploit-db.com/exploits/43464/
Comment 1 Laura Pardo 2018-01-16 15:06:23 EST 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1535200]
Comment 2 Justin M. Forbes 2018-01-17 07:43:29 EST 
The ASHMEM driver is not enabled for Fedora.
Comment 3 Wade Mealing 2018-01-24 03:08:30 EST 
The ASHMEM driver is not enabled in RHEL.

Red Hat Products are not affected by this flaw.
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