CVE-2018-7540
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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Description
An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.
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
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 |
| sid | Fixed | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 |
| forky | Fixed | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 |
| bullseye | Fixed | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 |
| bookworm | Fixed | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.