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Date: Wed, 7 Nov 2018 00:33:03 +0530 (IST)
From: P J P <>
To: oss security list <>
Subject: CVE-2018-18954 QEMU: ppc64: Out-of-bounds r/w stack access in


An OOB r/w buffer access issue was found in the PowerPC PowerNV LPC controller 
in 'pnv_lpc_do_eccb' routine. It could occur while performing a memory write 
operation. A guest user/process could use this flaw to crash the QEMU process 
resulting in DoS.

Upstream patch:

This issue was reported by Moguofang of

Thank you.
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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