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Bug 1417559 - (CVE-2017-5667) CVE-2017-5667 Qemu: sd: sdhci OOB access during multi block SDMA transfer
CVE-2017-5667 Qemu: sd: sdhci OOB access during multi block SDMA transfer
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=20170130,repor...
: Security
Depends On: 1417560
Blocks: 1401602
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Reported: 2017-01-30 04:36 EST by Prasad J Pandit
Modified: 2018-07-18 11:13 EDT (History)
36 users (show)

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Description Prasad J Pandit 2017-01-30 04:36:43 EST 
Quick emulator(Qemu) built with the SDHCI device emulation support is vulnerable
to an OOB heap access issue. It could occur while doing a multi block SDMA
transfer via sdhci_sdma_transfer_multi_blocks routine.

A privileged user inside guest could use this flaw to crash the Qemu process
resulting in DoS or potentially execute arbitrary code with privileges of the
Qemu process on the host.

Upstream patch:
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  -> https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06191.html

Reference:
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  -> http://www.openwall.com/lists/oss-security/2017/01/30/2
Comment 1 Prasad J Pandit 2017-01-30 04:38:11 EST 
Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1417560]
Comment 2 Prasad J Pandit 2017-01-30 04:42:18 EST 
Acknowledgments:

Name: Jiang Xin (Huawei PSIRT)
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