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CVE-2022-4129: [SECURITY] Fedora 35 Update: kernel-6.0.11-100.fc35 - package-announce
A flaw was found in the Linux kernel’s Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.
Sunday, 4 December 2022 Sun, 4 Dec '22
7:33 p.m.
-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2022-b36cd53dca 2022-12-05 01:32:32.254801 -------------------------------------------------------------------------------- Name : kernel Product : Fedora 35 Version : 6.0.11 Release : 100.fc35 URL : https://www.kernel.org/ Summary : The Linux kernel Description : The kernel meta package -------------------------------------------------------------------------------- Update Information: The 6.0.11 stable kernel update contains a number of important fixes across the tree. -------------------------------------------------------------------------------- ChangeLog: * Fri Dec 2 2022 Justin M. Forbes <jforbes(a)fedoraproject.org> [6.0.11-0] - drm/i915: fix TLB invalidation for Gen12 video and compute engines (Andrzej Hajda) - l2tp: Serialize access to sk_user_data with sk_callback_lock (Jakub Sitnicki) - Adjust path to compressed vmlinux kernel image for s390x (Justin M. Forbes) [2149273] - Linux v6.0.11 -------------------------------------------------------------------------------- References: [ 1 ] Bug #2134528 - CVE-2022-4129 kernel: l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference https://bugzilla.redhat.com/show_bug.cgi?id=2134528 [ 2 ] Bug #2147572 - CVE-2022-4139 kernel: i915: Incorrect GPU TLB flush can lead to random memory access https://bugzilla.redhat.com/show_bug.cgi?id=2147572 -------------------------------------------------------------------------------- This update can be installed with the “dnf” update program. Use su -c ‘dnf upgrade --advisory FEDORA-2022-b36cd53dca’ 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 --------------------------------------------------------------------------------
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