-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2022-9bbb1d9b7b 2022-08-14 02:36:25.849243 --------------------------------------------------------------------------------
Name : kernel Product : Fedora 36 Version : 5.18.17 Release : 200.fc36 URL : https://www.kernel.org/ Summary : The Linux kernel Description : The kernel meta package
-------------------------------------------------------------------------------- Update Information:
The 5.18.17 stable kernel update contains a number of important fixes across the tree. -------------------------------------------------------------------------------- ChangeLog:
* Thu Aug 11 2022 Justin M. Forbes jforbes@fedoraproject.org [5.18.17-0] - netfilter: nf_tables: do not allow RULE_ID to refer to another chain (Thadeu Lima de Souza Cascardo) - netfilter: nf_tables: do not allow CHAIN_ID to refer to another table (Thadeu Lima de Souza Cascardo) - netfilter: nf_tables: do not allow SET_ID to refer to another table (Thadeu Lima de Souza Cascardo) - net_sched: cls_route: remove from list when handle is 0 (Thadeu Lima de Souza Cascardo) - posix-cpu-timers: Cleanup CPU timers before freeing them during exec (Thadeu Lima de Souza Cascardo) - Linux v5.18.16 (Justin M. Forbes) -------------------------------------------------------------------------------- References:
[ 1 ] Bug #2114849 - CVE-2022-2588 kernel: a use-after-free in cls_route filter implementation may lead to privilege escalation https://bugzilla.redhat.com/show_bug.cgi?id=2114849 [ 2 ] Bug #2114874 - CVE-2022-2585 kernel: posix cpu timer use-after-free may lead to local privilege escalation https://bugzilla.redhat.com/show_bug.cgi?id=2114874 [ 3 ] Bug #2114878 - CVE-2022-2586 kernel: nf_tables cross-table potential use-after-free may lead to local privilege escalation https://bugzilla.redhat.com/show_bug.cgi?id=2114878 --------------------------------------------------------------------------------
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2022-9bbb1d9b7b' 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 --------------------------------------------------------------------------------