Date: Tue, 18 Dec 2018 14:23:07 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: saar amar <saaramar5@...il.com> Subject: CVE-2018-20124 QEMU: rdma: OOB access when building scatter-gather array Hello, An out-of-bound stack buffer r/w access issue was found in QEMU's generic RDMA back-end implementation. It could occur when a driver tries to build scatter/gather element's array in build_host_sge_array() routine. A guest user/process could use this flaw to crash the QEMU process resulting in DoS. Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02822.html This issue was reported by Saar Amar. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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