CVE-2016-2857
HIGH severity · CVSS 8.4 · Memory corruption
8.4CVSS HIGH
Summary
The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=362786f14a753d8a5256ef97d7c10ed576d6572b
- http://rhn.redhat.com/errata/RHSA-2016-2670.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2016-2671.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2016-2704.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2016-2705.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2016-2706.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0083.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0309.htmlAdvisory