========================================================================== Ubuntu Security Notice USN-5260-2 February 01, 2022 samba vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS Summary: Samba could be made to crash or run programs as an administrator if it received specially crafted network traffic. Software Description: - 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) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.28 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5260-2 https://ubuntu.com/security/notices/USN-5260-1 CVE-2021-44142 Package Information: https://launchpad.net/ubuntu/+source/samba/2:4.7.6+dfsg~ubuntu-0ubuntu2.28