ID CVE-2016-7422
Summary The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value.
References
Vulnerable Configurations
  • cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
    cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*
CVSS
Base: 2.1 (as of 05-01-2018 - 02:31)
Impact:
Exploitability:
CWE CWE-476
CAPEC
Access
VectorComplexityAuthentication
LOCAL LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:L/AC:L/Au:N/C:N/I:N/A:P
redhat via4
advisories
  • rhsa
    id RHSA-2017:2392
  • rhsa
    id RHSA-2017:2408
refmap via4
bid 92996
confirm http://git.qemu.org/?p=qemu.git;a=commit;h=973e7170dddefb491a48df5cba33b2ae151013a0
gentoo GLSA-201609-01
mlist
  • [oss-security] 20160916 CVE request Qemu: virtio: null pointer dereference in virtqueu_map_desc
  • [oss-security] 20160916 Re: CVE request Qemu: virtio: null pointer dereference in virtqueu_map_desc
  • [qemu-devel] 20160915 [PATCH] virtio: add check for descriptor's mapped address
suse openSUSE-SU-2016:3237
Last major update 05-01-2018 - 02:31
Published 10-12-2016 - 00:59
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