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List: oss-security
Subject: [oss-security] CVE-2018-20126 QEMU: pvrdma: memory leakage when creating cq/qp
From: P J P <ppandit () redhat ! com>
Date: 2018-12-19 8:13:27
Message-ID: nycvar.YSQ.7.76.1812191328500.14650 () xnncv
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Hello,
A memory leakage issue was found in QEMU's implementation of VMWare's
paravirtual RDMA device. It could occur while creating CQ/QP ring objects in
create_cq/qp() routines, as it did not free ring objects' memory in case of an
error.
A guest user/process could use this flaw to leak host memory resulting in DoS.
Upstream patch:
---------------
-> https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02824.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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