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Bug 1416436 - (CVE-2017-5576) CVE-2017-5576 kernel: vc4: Integer overflow in temporary allocation layout
CVE-2017-5576 kernel: vc4: Integer overflow in temporary allocation layout
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20170118,reported=2...
: Security
Depends On: 1416439 1420048
Blocks: 1416438
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Reported: 2017-01-25 08:33 EST by Andrej Nemec
Modified: 2017-02-08 09:28 EST (History)
34 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Integer overflow in the vc4_get_bcl function in drivers/gpu/drm/vc4/vc4_gem.c in the VideoCore DRM driver in the Linux kernel before 4.9.7 allows local users to cause a denial of service or possibly have unspecified other impact via a crafted size value in a VC4_SUBMIT_CL ioctl call.
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Clone Of:
Environment:
Last Closed: 2017-02-07 11:40:39 EST
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Regression: ---
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CRM:
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Description Andrej Nemec 2017-01-25 08:33:12 EST 
Integer overflow in the vc4_get_bcl function in drivers/gpu/drm/vc4/vc4_gem.c in the VideoCore DRM driver in the Linux kernel before 4.9.7 allows local users to cause a denial of service or possibly have unspecified other impact via a crafted size value in a VC4_SUBMIT_CL ioctl call.

References:

http://seclists.org/oss-sec/2017/q1/165

Upstream patch:

https://lkml.org/lkml/2017/1/17/761

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f2ff82e11c86c05d051cae32b58226392d33bbf
Comment 1 Andrej Nemec 2017-01-25 08:38:59 EST 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1416439]
Comment 5 Vladis Dronov 2017-02-07 11:40:39 EST 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2 as the code with the flaw is not present in the products listed.
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