CVE-2016-7421

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d251157ac1928191af851d199a9ff255d330bec9
• http://www.openwall.com/lists/oss-security/2016/09/16/3
• http://www.openwall.com/lists/oss-security/2016/09/16/9
• http://www.securityfocus.com/bid/92998
• https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
• https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html
• https://security.gentoo.org/glsa/201609-01
• http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d251157ac1928191af851d199a9ff255d330bec9
• http://www.openwall.com/lists/oss-security/2016/09/16/3
• http://www.openwall.com/lists/oss-security/2016/09/16/9
• http://www.securityfocus.com/bid/92998
• https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
• https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html
• https://security.gentoo.org/glsa/201609-01