CVE-2016-1714
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1:2.5+dfsg-4 |
| debian | bullseye | fixed | 1:2.5+dfsg-4 |
| debian | forky | fixed | 1:2.5+dfsg-4 |
| debian | sid | fixed | 1:2.5+dfsg-4 |
| debian | trixie | fixed | 1:2.5+dfsg-4 |
References
- https://www.suse.com/security/cve/CVE-2016-1714.html
- 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.html
- 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.html
- http://www.debian.org/security/2016/dsa-3469
- http://www.debian.org/security/2016/dsa-3470
- http://www.debian.org/security/2016/dsa-3471
- http://www.openwall.com/lists/oss-security/2016/01/11/7
- http://www.openwall.com/lists/oss-security/2016/01/12/10
- http://www.openwall.com/lists/oss-security/2016/01/12/11
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securityfocus.com/bid/80250
- http://www.securitytracker.com/id/1034858
- https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg00428.html
- https://security.gentoo.org/glsa/201604-01
- https://security-tracker.debian.org/tracker/CVE-2016-1714
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.