RHSA-2023:1470: Important: kernel security, bug fix, and enhancement update

First published: Mon Mar 27 2023(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: tun: avoid double free in tun_free_netdev (CVE-2022-4744)</li> <li> ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)</li> <li> kernel: net: CPU soft lockup in TC mirred egress-to-ingress action (CVE-2022-4269)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Bug Fix(es):<br><li> RHEL9.0 - zfcp: fix missing auto port scan and thus missing target ports (BZ#2127880)</li> <li> Cgroups_v2, when creating new cgroup/container, resets the cpu affinity masks for all usr processes on the system. (BZ#2143766)</li> <li> RHEL9.0 - boot: Add secure boot trailer (BZ#2151528)</li> <li> kernel-rt-debug: WARNING: possible circular locking dependency detected (&amp;n-&gt;list_lock-&gt;&amp;p-&gt;pi_lock-&gt;&amp;lock-&gt;wait_lock) (BZ#2160614)</li> <li> Support cpuset.sched_load_balance by changing default CPUset directory structure (BZ#2161105)</li> <li> RHEL9.0 - s390/kexec: fix ipl report address for kdump (BZ#2166903)</li> <li> libgpiod doesn't seem to work with Interphase gpiochip (BZ#2166956)</li> <li> Azure RHEL9 scsi: storvsc: Fix swiotlb bounce buffer leak in confidential VM (BZ#2170227)</li> Enhancement(s):<br><li> IBM 9.2 FEAT: Upgrade the QETH driver to latest from upstream, e.g. kernel 6.0 (BZ#2166304)</li> <li> Intel 9.2 FEAT SPR CPU: AMX: Improve the init_fpstate setup code (BZ#2168382)</li>

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