CVE-2020-7453 (GCVE-0-2020-7453)
Vulnerability from cvelistv5
Published
2020-04-28 23:36
Modified
2024-08-04 09:25
Severity ?
CWE
  • Improper Null Termination
Summary
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.
References
Impacted products
Vendor Product Version
n/a FreeBSD Version: 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, 11.3-RELEASE before 11.3-RELEASE-p7
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