High severity · published Jun 1, 2016
CVE-2016-5126
Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local guest OS users to cause a denial of service (QEMU process crash) or possibly…
7.8
CVSS
0.7%
EPSS
No
On KEV
Description
Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% 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
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Eus · Redhat
7.2; 7.3; 7.4; 7.5; 7.6; 7.7 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.2; 7.3; 7.4; 7.6; 7.7 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.2; 7.3; 7.6; 7.7 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
LI
Linux · Oracle
7 · source: NVD
OP
Openstack · Redhat
6.0; 7.0; 8; 9; 5.0 · source: NVD
QE
Qemu · Qemu
through 2.6.2 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04 · source: NVD
VI
Virtualization · Redhat
3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-5126
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-5126
git.qemu.org
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=a6b3167fa0e825aebb5a7cd8b437b6d41584a196
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1606.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1607.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1653.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1654.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1655.html
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