CVE-2016-8576
medium
CVSS v3
6.0
CVSS v4 NEW
—
VIR risk
6.0
Description
The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.
Predictions
Exploit likelihood
60%
Patch ETA
—
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
SUSE Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 42.2 | Affected | — |
| — | Affected | — |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1:2.8+dfsg-1 |
| sid | Fixed | 1:2.8+dfsg-1 |
| forky | Fixed | 1:2.8+dfsg-1 |
| bullseye | Fixed | 1:2.8+dfsg-1 |
| bookworm | Fixed | 1:2.8+dfsg-1 |
| 8.0 | Affected | — |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 7.0 | Not affected | — |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05f43d44e4bc26611ce25fd7d726e483f73363ce
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- http://www.openwall.com/lists/oss-security/2016/10/10/12
- http://www.openwall.com/lists/oss-security/2016/10/10/6
- http://www.securityfocus.com/bid/93469
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.html
- https://security.gentoo.org/glsa/201611-11
- https://www.suse.com/security/cve/CVE-2016-8576.html
- https://security-tracker.debian.org/tracker/CVE-2016-8576
CWEs
CWE-770
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.