=========================================================================Ubuntu Security Notice USN-5260-3
February 03, 2022

samba vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

Samba could be made to crash when handled certain memory operations.

Software Description:
- samba: SMB/CIFS file, print, and login server for Unix

Details:

USN-5260-1 fixed a vulnerability in Samba. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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 16.04 ESM:
  samba                           2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1

Ubuntu 14.04 ESM:
  samba                           2:4.3.11+dfsg-0ubuntu0.14.04.20+esm12

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
  https://ubuntu.com/security/notices/USN-5260-3
  https://ubuntu.com/security/notices/USN-5260-1
  CVE-2021-44142

Ubuntu 5260-3: Samba vulnerability

February 3, 2022
Samba could be made to crash when handled certain memory operations.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: samba 2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1 Ubuntu 14.04 ESM: samba 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm12 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5260-3

https://ubuntu.com/security/notices/USN-5260-1

CVE-2021-44142

Severity
February 03, 2022

Package Information

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