CVE-2014-5146
Description
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.
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
SUSE Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 13.2 | Affected | — |
| 13.1 | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.4.1-4 |
| sid | Fixed | 4.4.1-4 |
| forky | Fixed | 4.4.1-4 |
| bullseye | Fixed | 4.4.1-4 |
| bookworm | Fixed | 4.4.1-4 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
- http://www.securityfocus.com/bid/69198
- http://www.securitytracker.com/id/1030723
- http://xenbits.xen.org/xsa/advisory-97.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95234
- https://security.gentoo.org/glsa/201504-04
- https://security-tracker.debian.org/tracker/CVE-2014-5146
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.