Description
The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/93275
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201611-11
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/10/03/6
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/10/03/3
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Mailing List, Patch, Vendor Advisory mailing-list
x_refsource_mlist
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html
Scores
CVSS v3
4.4
EPSS
0.0014
EPSS Percentile
33.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-835
Status
published
Products (2)
debian/debian_linux
8.0
qemu/qemu
< 2.7.1
Published
Oct 05, 2016
Tracked Since
Feb 18, 2026