
http://bugzilla.opensuse.org/show_bug.cgi?id=1003612 Bug ID: 1003612 Summary: Qemu: usb: hcd-ehci: memory leak in ehci_process_itd Classification: openSUSE Product: openSUSE Distribution Version: Leap 42.1 Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Security Assignee: security-team@suse.de Reporter: mikhail.kasimov@gmail.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Reference: http://seclists.org/oss-sec/2016/q4/54 =========================== Hello, Qemu emulator(Qemu) built with the USB EHCI emulation support is vulnerable to a memory leakage flaw. It could occur while processing isochronous transfer descriptors(iTD), with buffer page select(PG) index that falls beyond buffer page array area. A privileged user inside guest could use this flaw to leak Qemu memory bytes leading to a DoS on the host. Upstream fix: ------------- -> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1382668 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 =========================== -- You are receiving this mail because: You are on the CC list for the bug.