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Vulnerability Details : CVE-2020-25578

In FreeBSD 12.2-STABLE before r368969, 11.4-STABLE before r369047, 12.2-RELEASE before p3, 12.1-RELEASE before p13 and 11.4-RELEASE before p7 several file systems were not properly initializing the d_off field of the dirent structures returned by VOP_READDIR. In particular, tmpfs(5), smbfs(5), autofs(5) and mqueuefs(5) were failing to do so. As a result, eight uninitialized kernel stack bytes may be leaked to userspace by these file systems.
Publish Date : 2021-03-26 Last Update Date : 2021-06-03
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Products Affected By CVE-2020-25578

# Product Type Vendor Product Version Update Edition Language
1 OS Freebsd Freebsd 11.4 P2 * * Version Details Vulnerabilities
2 OS Freebsd Freebsd 11.4 P3 * * Version Details Vulnerabilities
3 OS Freebsd Freebsd 11.4 - * * Version Details Vulnerabilities
4 OS Freebsd Freebsd 11.4 P4 * * Version Details Vulnerabilities
5 OS Freebsd Freebsd 11.4 P5 * * Version Details Vulnerabilities
6 OS Freebsd Freebsd 11.4 P6 * * Version Details Vulnerabilities
7 OS Freebsd Freebsd 11.4 P1 * * Version Details Vulnerabilities
8 OS Freebsd Freebsd 12.1 P4 * * Version Details Vulnerabilities
9 OS Freebsd Freebsd 12.1 P11 * * Version Details Vulnerabilities
10 OS Freebsd Freebsd 12.1 P12 * * Version Details Vulnerabilities
11 OS Freebsd Freebsd 12.1 P1 * * Version Details Vulnerabilities
12 OS Freebsd Freebsd 12.1 P5 * * Version Details Vulnerabilities
13 OS Freebsd Freebsd 12.1 P7 * * Version Details Vulnerabilities
14 OS Freebsd Freebsd 12.1 - * * Version Details Vulnerabilities
15 OS Freebsd Freebsd 12.1 P6 * * Version Details Vulnerabilities
16 OS Freebsd Freebsd 12.1 P8 * * Version Details Vulnerabilities
17 OS Freebsd Freebsd 12.1 P2 * * Version Details Vulnerabilities
18 OS Freebsd Freebsd 12.1 P9 * * Version Details Vulnerabilities
19 OS Freebsd Freebsd 12.1 P3 * * Version Details Vulnerabilities
20 OS Freebsd Freebsd 12.1 P10 * * Version Details Vulnerabilities
21 OS Freebsd Freebsd 12.2 - * * Version Details Vulnerabilities
22 OS Freebsd Freebsd 12.2 P1 * * Version Details Vulnerabilities
23 OS Freebsd Freebsd 12.2 P2 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Freebsd Freebsd 23

- References For CVE-2020-25578 CONFIRM

- Metasploit Modules Related To CVE-2020-25578

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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