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List:       oss-security
Subject:    [oss-security] CVE-2018-20216 QEMU: pvrdma: infinite loop in pvrdma_qp_send/recv
From:       P J P <ppandit () redhat ! com>
Date:       2018-12-19 7:31:47
Message-ID: nycvar.YSQ.7.76.1812191246500.14650 () xnncv
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   Hello,

An infinite loop issue was found in QEMU's implementation of VMWare's 
paravirtual RDMA device. It could occur while transferring QP ring objects' 
data in pvrdma_qp_send/recv functions.

A guest user/process could use this flaw to cause infinite loop resulting in 
DoS.

Upstream patch:
---------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.html

This issue was reported by Li Qiang.

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