A kernel security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: kernel-5.11.7-200.fc33

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Fedora Update Notification
FEDORA-2021-bb755ed5e3
2021-03-20 01:14:08.855822
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Name : kernel
Product : Fedora 33
Version : 5.11.7
Release : 200.fc33
URL :   https://www.kernel.org/
Summary : The Linux kernel
Description :
The kernel meta package

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Update Information:

The 5.11.7 stable kernel update contains a number if important fixes across the
tree.
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ChangeLog:

* Wed Mar 17 2021 Justin M. Forbes [5.11.7-200]
- This is a released kernel branch (Justin M. Forbes)
* Wed Mar 17 2021 Justin M. Forbes [5.11.7-9]
- Disable weak-modules again rhbz 1828455 (Justin M. Forbes)
- More config updates for gcc-plugin turn off (Justin M. Forbes)
- fedora: the PCH_CAN driver is x86-32 only (Peter Robinson)
- common: disable legacy CAN device support (Peter Robinson)
- common: Enable Microchip MCP251x/MCP251xFD CAN controllers (Peter Robinson)
- common: Bosch MCAN support for Intel Elkhart Lake (Peter Robinson)
- common: enable CAN_PEAK_PCIEFD PCI-E driver (Peter Robinson)
- common: disable CAN_PEAK_PCIEC PCAN-ExpressCard (Peter Robinson)
- common: enable common CAN layer 2 protocols (Peter Robinson)
- ark: disable CAN_LEDS option (Peter Robinson)
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References:

[ 1 ] Bug #1939164 - CVE-2021-28375 kernel: fastrpc_internal_invoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages
  https://bugzilla.redhat.com/show_bug.cgi?id=1939164
[ 2 ] Bug #1940590 - CVE-2021-28660 kernel: buffer overflow in rtw_wx_set_scan function in drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
  https://bugzilla.redhat.com/show_bug.cgi?id=1940590
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-bb755ed5e3' 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