CVE-2015-7512

Description

Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.

Category

9.0
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 14.19% Top 10%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2015-2694.html third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2015/11/30/3 third party advisory mailing list
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html third party advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03f
http://www.debian.org/security/2016/dsa-3469 third party advisory vendor advisory
http://www.debian.org/security/2016/dsa-3470 third party advisory vendor advisory
http://www.securityfocus.com/bid/78230 third party advisory vdb entry
http://www.securitytracker.com/id/1034527 third party advisory vdb entry
http://www.debian.org/security/2016/dsa-3471 third party advisory vendor advisory
https://security.gentoo.org/glsa/201602-01 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-2696.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-2695.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-7512?
CVE-2015-7512 has been scored as a critical severity vulnerability.
How to fix CVE-2015-7512?
To fix CVE-2015-7512, 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-2015-7512 being actively exploited in the wild?
It is possible that CVE-2015-7512 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~14% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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