Date: Fri, 28 Oct 2016 02:34:22 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Li Qiang <liqiang6-s@....cn> Subject: CVE request Qemu: 9pfs: memory leakage when creating extended attribute Hello, Quick Emulator(Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to memory leakage issue. It could occur while creating extended attribute via 'Txattrcreate' message. A privileged user inside guest could use this flaw to leak host memory, thus affecting other services on the host and/or potentially crash the Qemu process on the host. Upstream patches: ----------------- -> https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01861.html Reference: ---------- -> http://wiki.qemu.org/Documentation/9psetup -> https://bugzilla.redhat.com/show_bug.cgi?id=1389550 This issue was reported by Li Qiang of 360.cn Inc. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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