Date: Mon, 30 Jan 2017 15:27:59 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Jiang Xin <jiangxin1@...wei.com> Subject: CVE request Qemu: sd: sdhci OOB access during multi block SDMA transfer Hello, 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: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06191.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1417559 This issue was reported by Jiang Xin of Huawei PSIR team. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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