CVE-2016-5126

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2016-1756.html third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3047-1 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-1655.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/05/30/6 third party advisory mailing list
http://rhn.redhat.com/errata/RHSA-2016-1763.html third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html third party advisory
http://www.securityfocus.com/bid/90948 vdb entry third party advisory
http://rhn.redhat.com/errata/RHSA-2016-1653.html third party advisory vendor advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=a6b3167fa0e825aebb5a7cd8b437b6d41584a196
http://rhn.redhat.com/errata/RHSA-2016-1607.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-1654.html third party advisory vendor advisory
https://security.gentoo.org/glsa/201609-01 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-3047-2 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-1606.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/05/30/7 third party advisory mailing list
https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html mailing list third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=1340924 issue tracking third party advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2016-5126?
CVE-2016-5126 has been scored as a high severity vulnerability.
How to fix CVE-2016-5126?
To fix CVE-2016-5126, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-5126 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-5126 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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