CVE-2017-5857
Description
Memory leak in the virgl_cmd_resource_unref function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_UNREF commands sent without detaching the backing storage beforehand.
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 | 1:2.8+dfsg-3 |
| debian | bullseye | fixed | 1:2.8+dfsg-3 |
| debian | forky | fixed | 1:2.8+dfsg-3 |
| debian | sid | fixed | 1:2.8+dfsg-3 |
| debian | trixie | fixed | 1:2.8+dfsg-3 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| qemu | qemu | {"endIncluding":"2.8.1.1"} | |
References
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=5e8e3c4c75c199aa1017db816fca02be2a9f8798
- http://www.openwall.com/lists/oss-security/2017/02/01/21
- http://www.openwall.com/lists/oss-security/2017/02/02/16
- http://www.securityfocus.com/bid/95993
- https://bugzilla.redhat.com/show_bug.cgi?id=1418382
- https://security.gentoo.org/glsa/201702-28
- https://www.suse.com/security/cve/CVE-2017-5857.html
- https://security-tracker.debian.org/tracker/CVE-2017-5857
CWEs
CWE-401
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.