Bug 1297416 - qemu: stack-based buffer overflow in gem_receive()
Summary: qemu: stack-based buffer overflow in gem_receive()
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1297427
TreeView+ depends on / blocked
 
Reported: 2016-01-11 13:21 UTC by Martin Prpič
Modified: 2021-02-17 04:31 UTC (History)
30 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-01-14 16:14:07 UTC

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Description Martin Prpič 2016-01-11 13:21:02 UTC 
A stack-based buffer overflow flaw was found in QEMU's gem_receive() function.

When GEM_NWCFG_STRIP_FCS was not set, gem_receive() would copy packet data to rxbuf[2048], resulting in a buffer overflow if the length of a packet was more than 2048.

Acknowledgements:

Red Hat would like to thank Ling Liu of Qihoo 360 Inc. for reporting this issue.
Comment 1 Prasad Pandit 2016-01-14 16:11:14 UTC 
This turned out to be a security non-issue.
  -> https://bugzilla.redhat.com/show_bug.cgi?id=1297427#c3
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