In FreeBSD 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, and 11.3-RELEASE before 11.3-RELEASE-p7, a missing null termination check in the jail_set configuration option "osrelease" may return more bytes with a subsequent jail_get system call allowing a malicious jail superuser with permission to create nested jails to read kernel memory.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: freebsd

Published:

Updated: 2024-08-04T09:25:49.043Z

Reserved: 2020-01-21T00:00:00

Link: CVE-2020-7453

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-04-29T00:15:12.093

Modified: 2024-11-21T05:37:10.490

Link: CVE-2020-7453

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.