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ubuntucveUbuntu.comUB:CVE-2016-8578
HistoryNov 04, 2016 - 12:00 a.m.

CVE-2016-8578

2016-11-0400:00:00
ubuntu.com
ubuntu.com
9

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

25.9%

JSON

The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka
Quick Emulator) allows local guest OS administrators to cause a denial of
service (NULL pointer dereference and QEMU process crash) by sending an
empty string parameter to a 9P operation.

Bugs

Notes

Author Note
tyhicks Privileged user inside the guest can trigger a DoS of the QEMU host process In Trusty and Xenial, the vulnerable code is in the v9fs_unmarshal() function of fsdev/virtio-9p-marshal.c
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchqemu< 2.0.0+dfsg-2ubuntu1.30UNKNOWN
ubuntu16.04noarchqemu< 1:2.5+dfsg-5ubuntu10.6UNKNOWN
ubuntu16.10noarchqemu< 1:2.6.1+dfsg-0ubuntu5.1UNKNOWN

Related

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prion 1
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alpinelinux 1
redhatcve 1
debian 3
nessus 16
openvas 14
fedora 5
ibm 2
suse 4
gentoo 1
ubuntu 1
cve
cve
CVE-2016-8578
2016-11-04 21:59:00
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2016-11-04 21:59:00
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2016-10-11 07:19:26
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[SECURITY] [DLA 678-1] qemu security update
2016-10-25 20:20:36
[SECURITY] [DLA 679-1] qemu-kvm security update
2016-10-25 20:22:31
[SECURITY] [DLA 1599-1] qemu security update
2018-11-30 14:28:56
nessus
nessus
Debian DLA-678-1 : qemu security update
2016-10-26 00:00:00
Debian DLA-679-1 : qemu-kvm security update
2016-10-26 00:00:00
Fedora 24 : xen (2016-0d1a8ee35b)
2016-11-10 00:00:00
openvas
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Debian: Security Advisory (DLA-678-1)
2023-03-08 00:00:00
Debian: Security Advisory (DLA-679-1)
2023-03-08 00:00:00
Fedora Update for xen FEDORA-2016-da6b1d277b
2016-12-02 00:00:00
fedora
fedora
[SECURITY] Fedora 25 Update: xen-4.7.0-7.fc25
2016-11-19 21:36:03
[SECURITY] Fedora 24 Update: xen-4.6.3-7.fc24
2016-11-10 03:33:10
[SECURITY] Fedora 23 Update: xen-4.5.5-3.fc23
2016-11-10 15:54:47
ibm
ibm
Security Bulletin: Vulnerabilities in QEMU affect PowerKVM
2018-06-18 01:34:46
Security Bulletin: Vulnerabilities in Qemu affect PowerKVM
2018-06-18 01:35:35
suse
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Security update for kvm (important)
2016-11-24 18:10:22
Security update for qemu (important)
2016-11-29 14:07:08
Security update for qemu (important)
2016-12-02 21:06:55
gentoo
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QEMU: Multiple vulnerabilities
2016-11-18 00:00:00
ubuntu
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QEMU vulnerabilities
2016-11-09 00:00:00

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

25.9%

JSON
Related for UB:CVE-2016-8578
cve1prion1osv4cvelist1debiancve1alpinelinux1redhatcve1debian3nessus16openvas14fedora5ibm2suse4gentoo1ubuntu1