ID CVE-2016-8576
Summary The xhci_ring_fetch function in hw/usb/hcd-xhci.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 the number of link Transfer Request Blocks (TRB) to process. <a href="http://cwe.mitre.org/data/definitions/835.html">CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')</a>
References
Vulnerable Configurations
  • cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
    cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
CVSS
Base: 1.9 (as of 07-09-2018 - 10:29)
Impact:
Exploitability:
CWE NVD-CWE-Other
CAPEC
Access
VectorComplexityAuthentication
LOCAL MEDIUM NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:L/AC:M/Au:N/C:N/I:N/A:P
redhat via4
advisories
  • rhsa
    id RHSA-2017:2392
  • rhsa
    id RHSA-2017:2408
refmap via4
bid 93469
confirm http://git.qemu.org/?p=qemu.git;a=commit;h=05f43d44e4bc26611ce25fd7d726e483f73363ce
gentoo GLSA-201611-11
mlist
  • [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update
  • [oss-security] 20161010 CVE request Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetch
  • [oss-security] 20161010 Re: CVE request Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetch
  • [qemu-devel] 20161007 Re: [PATCH] usb: xHCI: add check to limit command TRB processing
suse openSUSE-SU-2016:3237
Last major update 07-09-2018 - 10:29
Published 04-11-2016 - 21:59
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