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Bug 1539725 - (CVE-2017-18079) CVE-2017-18079 kernel: Null pointer dereference in drivers/input/serio/i8042.c leading to denial-of-service
CVE-2017-18079 kernel: Null pointer dereference in drivers/input/serio/i8042....
Status: CLOSED WONTFIX
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=20170703,repor...
: Security
Depends On:
Blocks: 1539728
  Show dependency tree / graph
 
Reported: 2018-01-29 09:06 EST by Adam Mariš
Modified: 2018-03-26 20:27 EDT (History)
46 users (show)

See Also:
Fixed In Version: kernel 4.13
Doc Type: Bug Fix
Doc Text:
A flaw was found in the Linux kernel's implementation of i8042 serial ports. An attacker could cause a kernel panic if they are able to add and remove devices as the module is loaded.
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Clone Of:
Environment:
Last Closed: 2018-02-12 05:26:54 EST
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CRM:
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Adam Mariš 2018-01-29 09:06:23 EST 
A flaw was found in the Linux kernel which allowed an attacker who is able to add or remove serial devices to exploit a race condition in the serial port handling.  This would cause the system to panic or possibly have unspecified other impact because the port->exists value can change after it is validated.

Upstream patch:

https://github.com/torvalds/linux/commit/340d394a789518018f834ff70f7534fc463d3226
Comment 4 Vladis Dronov 2018-02-12 05:26:54 EST 
Statement:

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7, its real-time kernel and Red Hat Enterprise MRG 2. At this time there are no plans to fix this issue.

This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 7 for ARM 64 and Red Hat Enterprise Linux 7 for Power 9 LE.
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