A cifs-utils security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: cifs-utils-6.13-3.fc33

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Fedora Update Notification
FEDORA-2021-c87ed13391
2021-10-01 01:30:14.427738
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Name : cifs-utils
Product : Fedora 33
Version : 6.13
Release : 3.fc33
URL :   http://linux-cifs.samba.org/cifs-utils/
Summary : Utilities for mounting and managing CIFS mounts
Description :
The SMB/CIFS protocol is a standard file sharing protocol widely deployed
on Microsoft Windows machines. This package contains tools for mounting
shares on Linux using the SMB/CIFS protocol. The tools in this package
work in conjunction with support in the kernel to allow one to mount a
SMB/CIFS share onto a client and use it as if it were a standard Linux
file system.

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Update Information:

Fix for CVE-2021-20208 Update to 6.13 cifs.upcall: fix regression in kerberos
mount mount.cifs: fix crash when mount point does not exist ---- Fix for
CVE-2021-20208: cifs.upcall kerberos auth leak in container
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ChangeLog:

* Thu Sep 23 2021 Bruno Wolff III - 6.13-3
- Actually use the patches
* Thu Sep 23 2021 Bruno Wolff III - 6.13-2
- Pull in a couple of upstream fixes slotted for the next release
- fix regression in kerberos mount
- fix crash when mount point does not exist
* Wed Sep 22 2021 Bruno Wolff III - 6.13-1
- Fix for CVE-2021-20208: cifs.upcall kerberos auth leak in container
- get/setcifsacl tools are improved to support changing owner, group and SACLs
* Wed Jul 21 2021 Fedora Release Engineering - 6.11-4
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
* Tue Jan 26 2021 Fedora Release Engineering - 6.11-3
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-c87ed13391' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys