Fedora 34: 2021-bae582b42c Critical: Kernel Privilege Escalation Risk

The kernel meta package

The 5.11.21 stable kernel update contains a number of important fixes across the

tree.

* Fri May 14 2021 Justin M. Forbes [5.11.21-0]

- can: isotp: prevent race between isotp_bind() and isotp_setsockopt() (Norbert Slusarek)

[ 1 ] Bug #1959673 - CVE-2021-32606 kernel: isotp_setsockopt in net/can/isotp.c allows privilege escalation via use-after-free

https://bugzilla.redhat.com/show_bug.cgi?id=1959673

[ 2 ] Bug #1961305 - CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan

https://bugzilla.redhat.com/show_bug.cgi?id=1961305

su -c 'dnf upgrade --advisory FEDORA-2021-bae582b42c' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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