[RHSA-2024:5101] kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: powerpc: Fix access beyond end of drmem array (CVE-2023-52451)

• kernel: efivarfs: force RO when remounting if SetVariable is not supported (CVE-2023-52463)

• kernel: tracing: Restructure trace_clock_global() to never block (CVE-2021-46939)

• kernel: ext4: avoid online resizing failures due to oversized flex bg (CVE-2023-52622)

• kernel: net/sched: flower: Fix chain template offload (CVE-2024-26669)

• kernel: stmmac: Clear variable when destroying workqueue (CVE-2024-26802)

• kernel: efi: runtime: Fix potential overflow of soft-reserved region size (CVE-2024-26843)

• kernel: quota: Fix potential NULL pointer dereference (CVE-2024-26878)

• kernel: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)

• kernel: SUNRPC: fix a memleak in gss_import_v2_context (CVE-2023-52653)

• kernel: dmaengine/idxd: hardware erratum allows potential security problem with direct access by untrusted application (CVE-2024-21823)

• kernel: Revert "net/mlx5: Block entering switchdev mode with ns inconsistency" (CVE-2023-52658)

• kernel: ext4: fix corruption during on-line resize (CVE-2024-35807)

• kernel: x86/fpu: Keep xfd_state in sync with MSR_IA32_XFD (CVE-2024-35801)

• kernel: dyndbg: fix old BUG_ON in >control parser (CVE-2024-35947)

• kernel: net/sched: act_skbmod: prevent kernel-infoleak (CVE-2024-35893)

• kernel: x86/mce: Make sure to grab mce_sysfs_mutex in set_bank() (CVE-2024-35876)

• kernel: platform/x86: wmi: Fix opening of char device (CVE-2023-52864)

• kernel: tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING (CVE-2023-52845)

• (CVE-2023-28746)

• (CVE-2023-52847)

• (CVE-2021-47548)

• (CVE-2024-36921)

• (CVE-2024-26921)

• (CVE-2021-47579)

• (CVE-2024-36927)

• (CVE-2024-39276)

• (CVE-2024-33621)

• (CVE-2024-27010)

• (CVE-2024-26960)

• (CVE-2024-38596)

• (CVE-2022-48743)

• (CVE-2024-26733)

• (CVE-2024-26586)

• (CVE-2024-26698)

• (CVE-2023-52619)

Bug Fix(es):

• RHEL8.6 - Spinlock statistics may show negative elapsed time and incorrectly formatted output (JIRA:RHEL-17678)

• [AWS][8.9]There are call traces found when booting debug-kernel for Amazon EC2 r8g.metal-24xl instance (JIRA:RHEL-23841)

• [rhel8] gfs2: Fix glock shrinker (JIRA:RHEL-32941)

• lan78xx: Microchip LAN7800 never comes up after unplug and replug (JIRA:RHEL-33437)

• [Hyper-V][RHEL-8.10.z] Update hv_netvsc driver to TOT (JIRA:RHEL-39074)

• Use-after-free on proc inode-i_sb triggered by fsnotify (JIRA:RHEL-40167)

• blk-cgroup: Properly propagate the iostat update up the hierarchy rhel-8.10.z

• (JIRA:RHEL-31798)

• (JIRA:RHEL-10263)

• (JIRA:RHEL-40901)

• (JIRA:RHEL-43547)

• (JIRA:RHEL-34876)

Enhancement(s):

• [RFE] Add module parameters 'soft_reboot_cmd' and 'soft_active_on_boot' for customizing softdog configuration (JIRA:RHEL-19723)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer the CVE page(s) listed in the References section.