CVE-2016-1714
HIGH severity · CVSS 8.1 · Memory corruption
8.1CVSS HIGH
Summary
The (1) fw_cfg_write and (2) fw_cfg_read functions in hw/nvram/fw_cfg.c in QEMU before 2.4, when built with the Firmware Configuration device emulation support, allow guest OS users with the CAP_SYS_RAWIO privilege to cause a denial of service (out-of-bounds read or write access and process crash) or possibly execute arbitrary code via an invalid current entry value in a firmware configuration.
Impact & exploitability
Attack vectorLocal
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)6%
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/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://rhn.redhat.com/errata/RHSA-2016-0081.html
- http://rhn.redhat.com/errata/RHSA-2016-0082.html
- http://rhn.redhat.com/errata/RHSA-2016-0083.html
- http://rhn.redhat.com/errata/RHSA-2016-0084.html
- http://rhn.redhat.com/errata/RHSA-2016-0085.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2016-0086.html
- http://rhn.redhat.com/errata/RHSA-2016-0087.html
- http://rhn.redhat.com/errata/RHSA-2016-0088.htmlAdvisory