Date: Fri, 29 Jan 2016 12:06:55 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: zuozhi.fzz@...baba-inc.com Subject: CVE request Qemu: ide: ahci null pointer dereference when using FIS CLB engines Hello, Qemu emulator built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure(FIS) & Command List Block(CLB) entries. A privileged user inside guest could use this flaw to crash the Qemu process instance resulting in DoS. Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05742.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1302057 This issue was discovered by Mr Zuozhi Fzz of Alibaba 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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