CVE-2016-7908

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Summary

CVECVE-2016-7908
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-10-05 16:59:00 UTC
Updated2023-02-12 23:25:00 UTC
DescriptionThe mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.

Risk And Classification

Problem Types: CWE-835

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Application Qemu Qemu All All All All

References

ReferenceSourceLinkTags
[SECURITY] [DLA 1599-1] qemu security update MLIST lists.debian.org Third Party Advisory
QEMU: Multiple vulnerabilities (GLSA 201611-11) — Gentoo Security GENTOO security.gentoo.org Third Party Advisory
oss-security - CVE request Qemu: net: Infinite loop in mcf_fec_do_tx MLIST www.openwall.com Mailing List, Third Party Advisory
git.qemu.org Git - qemu.git/commit MISC git.qemu.org
QEMU 'hw/net/mcf_fec.c' Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
git.qemu.org Git - qemu.git/commit CONFIRM git.qemu.org Issue Tracking, Patch, Vendor Advisory
Re: [Qemu-devel] [PATCH v2] net: mcf: limit buffer descriptor count MLIST lists.gnu.org Mailing List, Patch, Vendor Advisory
openSUSE-SU-2016:3237-1: moderate: Security update for qemu SUSE lists.opensuse.org Mailing List, Third Party Advisory
oss-security - Re: CVE request Qemu: net: Infinite loop in mcf_fec_do_tx MLIST www.openwall.com Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 900063 CBL-Mariner Linux Security Update for qemu-kvm 4.2.0
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