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Unrated severityNVD Advisory· Published Apr 28, 2020· Updated Aug 4, 2024

CVE-2020-7453

CVE-2020-7453

Description

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.

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Affected products

2
  • FreeBSD/FreeBSDdescription
  • FreeBSD/FreeBSDllm-fuzzy
    Range: <12.1-RELEASE-p3, <11.3-RELEASE-p7

Patches

Vulnerability mechanics

References

1

News mentions

0

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