Bug 1416436 (CVE-2017-5576) - CVE-2017-5576 kernel: vc4: Integer overflow in temporary allocation layout
Summary: CVE-2017-5576 kernel: vc4: Integer overflow in temporary allocation layout
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-5576
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1416439 1420048
Blocks: 1416438
TreeView+ depends on / blocked
 
Reported: 2017-01-25 13:33 UTC by Andrej Nemec
Modified: 2021-02-17 02:42 UTC (History)
34 users (show)

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.
Clone Of:
Environment:
Last Closed: 2017-02-07 16:40:39 UTC
Embargoed:

Attachments (Terms of Use)

Description Andrej Nemec 2017-01-25 13:33:12 UTC 
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 13:38:59 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1416439]
Comment 5 Vladis Dronov 2017-02-07 16:40:39 UTC 
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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