CVE-2015-2752
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.9
Description
The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).
Predictions
Exploit likelihood
20%
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| fedora | 20 | affected | |
| fedora | 21 | affected | |
| debian | bookworm | fixed | 4.4.1-9 |
| debian | bullseye | fixed | 4.4.1-9 |
| debian | forky | fixed | 4.4.1-9 |
| debian | sid | fixed | 4.4.1-9 |
| debian | trixie | fixed | 4.4.1-9 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html
- http://www.securityfocus.com/bid/73448
- http://www.securitytracker.com/id/1031994
- http://xenbits.xen.org/xsa/advisory-125.html
- https://security.gentoo.org/glsa/201504-04
- https://security-tracker.debian.org/tracker/CVE-2015-2752
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.