An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-4723-1 xen security update
EUVD EUVD EUVD-2020-4082 An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.
Ubuntu USN Ubuntu USN USN-5617-1 Xen vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T11:41:59.488Z

Reserved: 2020-04-14T00:00:00

Link: CVE-2020-11740

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-04-14T13:15:12.767

Modified: 2024-11-21T04:58:31.487

Link: CVE-2020-11740

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-04-14T00:00:00Z

Links: CVE-2020-11740 - Bugzilla

cve-icon OpenCVE Enrichment

No data.