CVE-2016-6834

Published on: 12/09/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:27:12 PM UTC

CVE-2016-6834

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Certain versions of Debian Linux from Debian contain the following vulnerability:

The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.

  • CVE-2016-6834 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 4.4 - MEDIUM

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
LOCAL LOW HIGH NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 2.1 - LOW

Access
Vector ⓘ		 Access
Complexity		 Authentication
LOCAL LOW NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags ⓘ Link
[Qemu-devel] [PULL 1/3] net: check fragment length during fragmentation Patch
Third Party Advisory
lists.gnu.org
text/x-diff
 URL Logo MLIST [qemu-devel] 20160809 [PULL 1/3] net: check fragment length during fragmentation
[SECURITY] [DLA 1599-1] qemu security update Mailing List
Third Party Advisory
lists.debian.org
text/html
 URL Logo MLIST [debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security update
QEMU '/hw/net/net_tx_pkt.c' Packet Fragmentation Denial of Service Vulnerability Third Party Advisory
VDB Entry
cve.report (archive)
text/html
 URL Logo BID 92446
oss-security - CVE request Qemu: an infinite loop during packet fragmentation Mailing List
Third Party Advisory
www.openwall.com
text/html
 URL Logo MLIST [oss-security] 20160812 CVE request Qemu: an infinite loop during packet fragmentation
git.qemu.org Git - qemu.git/commit Patch
Vendor Advisory
git.qemu.org
text/xml
 URL Logo CONFIRM git.qemu.org/?p=qemu.git;a=commit;h=ead315e43ea0c2ca3491209c6c8db8ce3f2bbe05
oss-security - Re: CVE request Qemu: an infinite loop during packet fragmentation Mailing List
Third Party Advisory
www.openwall.com
text/html
 URL Logo MLIST [oss-security] 20160817 Re: CVE request Qemu: an infinite loop during packet fragmentation
QEMU: Multiple vulnerabilities (GLSA 201609-01) — Gentoo security Third Party Advisory
security.gentoo.org
text/html
 URL Logo GENTOO GLSA-201609-01
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Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		DebianDebian Linux8.0AllAllAll
Operating
System		DebianDebian Linux8.0AllAllAll
ApplicationQemuQemu2.7.0rc0AllAll
ApplicationQemuQemu2.7.0rc1AllAll
ApplicationQemuQemu2.7.0rc2AllAll
ApplicationQemuQemu2.7.0rc0AllAll
ApplicationQemuQemu2.7.0rc1AllAll
ApplicationQemuQemu2.7.0rc2AllAll
ApplicationQemuQemuAllAllAllAll
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*:
  • cpe:2.3:a:qemu:qemu:2.7.0:rc0:*:*:*:*:*:*:
  • cpe:2.3:a:qemu:qemu:2.7.0:rc1:*:*:*:*:*:*:
  • cpe:2.3:a:qemu:qemu:2.7.0:rc2:*:*:*:*:*:*:
  • cpe:2.3:a:qemu:qemu:2.7.0:rc0:*:*:*:*:*:*:
  • cpe:2.3:a:qemu:qemu:2.7.0:rc1:*:*:*:*:*:*:
  • cpe:2.3:a:qemu:qemu:2.7.0:rc2:*:*:*:*:*:*:
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*: