CVE-2016-7909
published 2016-10-05CVE-2016-7909: 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…
PriorityP413medium4.4CVSS 3.1
AVLACLPRHUINSUCNINAH
EPSS
0.42%
34.4th percentile
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.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | qemu | < qemu 1:2.8+dfsg-1 (bookworm) | qemu 1:2.8+dfsg-1 (bookworm) |
| qemu | qemu | <= 2.7.1 | — |
| qemu | qemu | >= 0 < 1:2.8+dfsg-1 | 1:2.8+dfsg-1 |
| qemu | qemu | >= 0 < 1:2.8+dfsg-1 | 1:2.8+dfsg-1 |
| qemu | qemu | >= 0 < 1:2.8+dfsg-1 | 1:2.8+dfsg-1 |
| qemu | qemu | >= 0 < 1:2.8+dfsg-1 | 1:2.8+dfsg-1 |
| qemu | qemu | >= 0 < 2.0.0+dfsg-2ubuntu1.30 | 2.0.0+dfsg-2ubuntu1.30 |
| qemu | qemu | >= 0 < 1:2.5+dfsg-5ubuntu10.6 | 1:2.5+dfsg-5ubuntu10.6 |
CVSS provenance
nvdv3.14.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
nvdv2.04.9MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C
osv5.5MEDIUM
vendor_ubuntu5.5MEDIUM
vendor_debian4.4MEDIUM
vendor_redhat4.4MEDIUM
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GHSA
GHSA-f98x-7m57-3xg7: The pcnet_rdra_addr function in hw/net/pcnet
ghsa_unreviewed·2022-05-13
CVE-2016-7909 [MEDIUM] CWE-835 GHSA-f98x-7m57-3xg7: The pcnet_rdra_addr function in hw/net/pcnet
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.
OSV
qemu, qemu-kvm vulnerabilities
osv·2016-11-09·CVSS 5.5
CVE-2016-5403 [MEDIUM] qemu, qemu-kvm vulnerabilities
qemu, qemu-kvm vulnerabilities
Zhenhao Hong discovered that QEMU incorrectly handled the Virtio module. A
privileged attacker inside the guest could use this issue to cause QEMU to
consume resources, resulting in a denial of service. (CVE-2016-5403)
Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network
card emulation support. A privileged attacker inside the guest could use
this issue to cause QEMU to crash, resulting in a denial of service. This
issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2016-6833, CVE-2016-6834, CVE-2016-6888)
Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network
card emulation support. A privileged attacker inside the guest could use
this issue to cause QEMU to crash, resulting in a denial of se
OSV
CVE-2016-7909: The pcnet_rdra_addr function in hw/net/pcnet
osv·2016-10-05·CVSS 4.4
CVE-2016-7909 [MEDIUM] CVE-2016-7909: The pcnet_rdra_addr function in hw/net/pcnet
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.
Ubuntu
QEMU vulnerabilities
vendor_ubuntu·2016-11-09·CVSS 5.5
CVE-2016-5403 [MEDIUM] QEMU vulnerabilities
Title: QEMU vulnerabilities
Summary: Several security issues were fixed in QEMU.
Zhenhao Hong discovered that QEMU incorrectly handled the Virtio module. A
privileged attacker inside the guest could use this issue to cause QEMU to
consume resources, resulting in a denial of service. (CVE-2016-5403)
Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network
card emulation support. A privileged attacker inside the guest could use
this issue to cause QEMU to crash, resulting in a denial of service. This
issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2016-6833, CVE-2016-6834, CVE-2016-6888)
Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network
card emulation support. A privileged attacker inside the guest could use
this issue
Red Hat
Qemu: net: pcnet: infinite loop in pcnet_rdra_addr()
vendor_redhat·2016-09-30·CVSS 4.4
CVE-2016-7909 [MEDIUM] CWE-835 Qemu: net: pcnet: infinite loop in pcnet_rdra_addr()
Qemu: net: pcnet: infinite loop in pcnet_rdra_addr()
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.
Package: kvm (Red Hat Enterprise Linux 5) - Not affected
Package: xen (Red Hat Enterprise Linux 5) - Not affected
Package: qemu-kvm (Red Hat Enterprise Linux 6) - Not affected
Package: qemu-kvm (Red Hat Enterprise Linux 7) - Will not fix
Package: qemu-kvm-rhev (Red Hat Enterprise Linux 7) - Will not fix
Package: qemu-kvm-rhev (Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)) - Not affected
Package: qemu-kvm-rhev (Red Hat Enterprise Linux OpenStack Platform 6 (Juno)) - Not
Debian
CVE-2016-7909: qemu - The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allo...
vendor_debian·2016·CVSS 4.4
CVE-2016-7909 [MEDIUM] CVE-2016-7909: qemu - The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allo...
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.
Scope: local
bookworm: resolved (fixed in 1:2.8+dfsg-1)
bullseye: resolved (fixed in 1:2.8+dfsg-1)
forky: resolved (fixed in 1:2.8+dfsg-1)
sid: resolved (fixed in 1:2.8+dfsg-1)
trixie: resolved (fixed in 1:2.8+dfsg-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2016-7909 qemu: qemu-kvm: Infinite loop vulnerability in pcnet_rdra_addr() [fedora-all]
bugzilla·2016-10-03·CVSS 4.4
CVE-2016-7909 [MEDIUM] CVE-2016-7909 qemu: qemu-kvm: Infinite loop vulnerability in pcnet_rdra_addr() [fedora-all]
CVE-2016-7909 qemu: qemu-kvm: Infinite loop vulnerability in pcnet_rdra_addr() [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supporte
Bugzilla
CVE-2016-7909 Qemu: net: pcnet: infinite loop in pcnet_rdra_addr()
bugzilla·2016-04-22·CVSS 4.4
CVE-2016-7909 [MEDIUM] CVE-2016-7909 Qemu: net: pcnet: infinite loop in pcnet_rdra_addr()
CVE-2016-7909 Qemu: net: pcnet: infinite loop in pcnet_rdra_addr()
Quick Emulator(Qemu) built with the AMD PC-Net II emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets via pcnet_receive().
A privileged user/process inside guest could use this issue to crash the Qemu process on the host leading to DoS.
Upstream patch
-> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html
Discussion:
Acknowledgments:
Name: Li Qiang (Qihoo 360 Inc.)
---
Created attachment 1149665
GDB report
---
Created qemu tracking bugs for this issue:
Affects: fedora-all [bug 1381196]
---
CVE assignment:
http://seclists.org/oss-sec/2016/q4/12
---
commit 34e29ce754c02bb6b3bdd244fbb85033460feaff
Author: Prasad J Pandit
Date: Fri Sep 30 00:27:33 2016
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlhttp://www.openwall.com/lists/oss-security/2016/10/03/3http://www.openwall.com/lists/oss-security/2016/10/03/6http://www.securityfocus.com/bid/93275https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlhttps://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.htmlhttps://security.gentoo.org/glsa/201611-11http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlhttp://www.openwall.com/lists/oss-security/2016/10/03/3http://www.openwall.com/lists/oss-security/2016/10/03/6http://www.securityfocus.com/bid/93275https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlhttps://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.htmlhttps://security.gentoo.org/glsa/201611-11
2016-10-05
Published