USN-5260-2: Samba vulnerability

1 February 2022

Samba could be made to crash or run programs as an administrator if it received specially crafted network traffic.

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Releases

Packages

  • samba - SMB/CIFS file, print, and login server for Unix

Details

Orange Tsai discovered that the Samba vfs_fruit module incorrectly handled
certain memory operations. A remote attacker could use this issue to cause
Samba to crash, resulting in a denial of service, or possibly execute
arbitrary code as root. (CVE-2021-44142)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

References

Related notices

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Further reading