CVE-2020-7467
First published: Fri Mar 26 2021(Updated: )
In FreeBSD 12.2-STABLE before r365767, 11.4-STABLE before r365769, 12.1-RELEASE before p10, 11.4-RELEASE before p4 and 11.3-RELEASE before p14 a number of AMD virtualization instructions operate on host physical addresses, are not subject to nested page table translation, and guest use of these instructions was not trapped.
Credit: secteam@freebsd.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD FreeBSD | =11.3 | |
| FreeBSD FreeBSD | =11.3-p1 | |
| FreeBSD FreeBSD | =11.3-p10 | |
| FreeBSD FreeBSD | =11.3-p11 | |
| FreeBSD FreeBSD | =11.3-p12 | |
| FreeBSD FreeBSD | =11.3-p13 | |
| FreeBSD FreeBSD | =11.3-p2 | |
| FreeBSD FreeBSD | =11.3-p3 | |
| FreeBSD FreeBSD | =11.3-p4 | |
| FreeBSD FreeBSD | =11.3-p5 | |
| FreeBSD FreeBSD | =11.3-p6 | |
| FreeBSD FreeBSD | =11.3-p7 | |
| FreeBSD FreeBSD | =11.3-p8 | |
| FreeBSD FreeBSD | =11.3-p9 | |
| FreeBSD FreeBSD | =11.4 | |
| FreeBSD FreeBSD | =11.4-p1 | |
| FreeBSD FreeBSD | =11.4-p2 | |
| FreeBSD FreeBSD | =11.4-p3 | |
| FreeBSD FreeBSD | =12.1 | |
| FreeBSD FreeBSD | =12.1-p1 | |
| FreeBSD FreeBSD | =12.1-p2 | |
| FreeBSD FreeBSD | =12.1-p3 | |
| FreeBSD FreeBSD | =12.1-p4 | |
| FreeBSD FreeBSD | =12.1-p5 | |
| FreeBSD FreeBSD | =12.1-p6 | |
| FreeBSD FreeBSD | =12.1-p7 | |
| FreeBSD FreeBSD | =12.1-p8 | |
| FreeBSD FreeBSD | =12.1-p9 | |
| FreeBSD FreeBSD | =12.2 |
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Frequently Asked Questions
What is CVE-2020-7467?
CVE-2020-7467 is a vulnerability in FreeBSD that allows guest operating systems to access and modify host physical memory.
What is the severity of CVE-2020-7467?
The severity of CVE-2020-7467 is high, with a CVSS score of 7.6.
Which versions of FreeBSD are affected by CVE-2020-7467?
The vulnerability affects FreeBSD 11.3, 11.4, 12.1, and 12.2.
How can I fix CVE-2020-7467?
To fix CVE-2020-7467, it is recommended to upgrade to the latest patched version of FreeBSD.
Where can I find more information about CVE-2020-7467?
You can find more information about CVE-2020-7467 on the FreeBSD Security Advisories website.
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- version/freebsd freebsd/12.1
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- version/freebsd freebsd/12.1-p5
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