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Bug 1629030 - (CVE-2018-9415) CVE-2018-9415 kernel: race condition in the ARM Advanced Microcontroller Bus Architecture (AMBA) driver
CVE-2018-9415 kernel: race condition in the ARM Advanced Microcontroller Bus ...
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=20180702,repor...
: Security
Depends On: 1631261 1638272 1629033 1629034 1631259
Blocks: 1629032
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Reported: 2018-09-14 13:05 EDT by Laura Pardo
Modified: 2018-10-15 03:46 EDT (History)
50 users (show)

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Doc Text:
A flaw was found in the Linux kernel. A race condition existed in the ARM Advanced Microcontroller Bus Architecture (AMBA) driver that could result in a double free. A local attacker could use this to cause a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although we believe it is unlikely.
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Description Laura Pardo 2018-09-14 13:05:15 EDT 
A flaw was found in the Linux kernel. A race condition existed in the ARM Advanced Microcontroller Bus Architecture (AMBA) driver that could result in a double free. A local attacker could use this to cause a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although we believe it is unlikely.

References:

https://lore.kernel.org/patchwork/patch/876236/

https://source.android.com/security/bulletin/pixel/2018-07-01

Introduced by: 

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3cf385713460eb2bb4cb7ceb8ed89833b00b594b 

Fixed by: 

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6a7228d90d42bcacfe38786756ba62762b91c20a
Comment 1 Laura Pardo 2018-09-14 13:08:40 EDT 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1629034]
Comment 3 Justin M. Forbes 2018-09-17 08:40:50 EDT 
This was fixed for Fedora with the 4.16.7 stable updates.
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