Description
An issue was discovered in Xen 4.6 through 4.14.x. When acting upon a guest XS_RESET_WATCHES request, not all tracking information is freed. A guest can cause unbounded memory usage in oxenstored. This can lead to a system-wide DoS. Only systems using the Ocaml Xenstored implementation are vulnerable. Systems using the C Xenstored implementation are not vulnerable.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-4812-1 | xen security update |
EUVD |
EUVD-2020-21853 | An issue was discovered in Xen 4.6 through 4.14.x. When acting upon a guest XS_RESET_WATCHES request, not all tracking information is freed. A guest can cause unbounded memory usage in oxenstored. This can lead to a system-wide DoS. Only systems using the Ocaml Xenstored implementation are vulnerable. Systems using the C Xenstored implementation are not vulnerable. |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T16:55:10.457Z
Reserved: 2020-12-03T00:00:00.000Z
Link: CVE-2020-29485
No data.
Status : Modified
Published: 2020-12-15T18:15:15.490
Modified: 2024-11-21T05:24:05.340
Link: CVE-2020-29485
No data.
OpenCVE Enrichment
No data.
Weaknesses
Debian DSA
EUVD