CVE-2016-7421

The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.

• CWE-834

• http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d251157ac1928191af851d199a9ff255d330bec9
• http://www.openwall.com/lists/oss-security/2016/09/16/3Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/09/16/9Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/92998Third Party Advisory, VDB Entry
• https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.htmlPatch, Third Party Advisory
• https://security.gentoo.org/glsa/201609-01Third Party Advisory
• http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d251157ac1928191af851d199a9ff255d330bec9
• http://www.openwall.com/lists/oss-security/2016/09/16/3Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/09/16/9Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/92998Third Party Advisory, VDB Entry
• https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.htmlPatch, Third Party Advisory
• https://security.gentoo.org/glsa/201609-01Third Party Advisory

Published

Dec 10, 2016

Last Modified

Jun 17, 2026

Status

Modified

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