CVE-2015-8340
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
4.7
Description
The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.
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 |
|---|---|---|---|
| debian | bookworm | fixed | 4.8.0~rc3-1 |
| debian | bullseye | fixed | 4.8.0~rc3-1 |
| debian | forky | fixed | 4.8.0~rc3-1 |
| debian | sid | fixed | 4.8.0~rc3-1 |
| debian | trixie | fixed | 4.8.0~rc3-1 |
References
- http://support.citrix.com/article/CTX203451
- http://www.debian.org/security/2016/dsa-3519
- http://www.securityfocus.com/bid/79038
- http://www.securitytracker.com/id/1034391
- http://xenbits.xen.org/xsa/advisory-159.html
- https://security.gentoo.org/glsa/201604-03
- https://security-tracker.debian.org/tracker/CVE-2015-8340
CWEs
CWE-17
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.