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FreeBSD Security Advisory (FreeBSD-SA-10:09.pseudofs.asc)

Information

Severity

Severity

High

Family

Family

FreeBSD Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.2

CVSSv2 Vector

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Created

Created

11 years ago

Modified

Modified

4 years ago

Share

Summary

The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-10:09.pseudofs.asc

Insight

Insight

pseudofs offers an abstract API for pseudo file systems which is utilized by procfs(5) and linprocfs(5). It provides generic file system services such as ACLs, extended attributes which interface with VFS and which are otherwise onerous to implement. This enables pseudo file system authors to add this functionality to their file systems with minimal effort. The pfs_getextattr(9) function, used by pseudofs for handling extended attributes, attempts to unlock a mutex which was not previously locked.

Solution

Solution

Upgrade your system to the appropriate stable release or security branch dated after the correction date https://secure1.securityspace.com/smysecure/catid.html?in=FreeBSD-SA-10:09.pseudofs.asc

Common Vulnerabilities and Exposures (CVE)

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1. Download Multipass

sudo snap install multipass

2. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04 && multipass shell mageni

3. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash

1. If you don’t have it already, install Brew. Then, to install Multipass simply execute:

brew install --cask multipass

2. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04 && multipass shell mageni

2. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash

1. Download the installer for Windows

Note: You need Windows 10 Pro/Enterprise/Education v 1803 or later, or any Windows 10 with VirtualBox

2. Ensure your network is private

Make sure your local network is designated as private, otherwise Windows prevents Multipass from starting.

3. Run the installer

You need to allow the installer to gain Administrator privileges.

4. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04

5. Log into the multipass instance

multipass shell mageni

6. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash