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CVE-2017-5973 Qemu: usb: infinite loop while doing control transfer in xhci_kick_epctx
From: P J P <ppandit () redhat com>
Date: Tue, 14 Feb 2017 00:45:22 +0530 (IST)
Hello,Quick emulator(Qemu) built with the USB xHCI controller emulator support is vulnerable to an infinite loop issue. It could occur while processing control transfer descriptor's sequence in xhci_kick_epctx.
A privileged user inside guest could use this flaw to crash the Qemu process resulting in DoS.
Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01101.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1421626 This issue was reported by Mr Li Qiang of 360.cn Inc. 'CVE-2017-5973' assigned via -> https://cveform.mitre.org/ Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
Current thread:
- CVE-2017-5973 Qemu: usb: infinite loop while doing control transfer in xhci_kick_epctx P J P (Feb 13)