Medium severity · published Dec 9, 2016
CVE-2016-9104
Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause…
4.4
CVSS
0.4%
EPSS
No
On KEV
Description
Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via a crafted offset, which triggers an out-of-bounds access.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
LE
Leap · Opensuse
42.2 · source: NVD
QE
Qemu · Qemu
through 2.7.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-9104
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-9104
Mailing List
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Mailing List
http://www.openwall.com/lists/oss-security/2016/10/28/2
Mailing List
http://www.openwall.com/lists/oss-security/2016/10/30/8
Third Party Advisory
http://www.securityfocus.com/bid/93956
Mailing List
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Patch
https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02942.html
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