(RHSA-2023:0951) Important: kernel security and bug fix update

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

Security Fix(es):

• kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)

• kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)

• kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379)

• kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan (CVE-2023-0179)

• kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)

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.

Bug Fix(es):

• RHEL 9.0: LTP Test failure and crash at fork14 on Sapphire Rapids Platinum 8280+ (BZ#2133083)

• RHEL 9.1 Extending NMI watchdog’s timer during LPM (BZ#2140085)

• AMDSERVER 9.1: amdpstate driver incorrectly designed to load as default for Genoa (BZ#2151274)

• qla2xxx NVMe-FC: WARNING: CPU: 0 PID: 124072 at drivers/scsi/qla2xxx/qla_init.c:70 qla2xxx_rel_done_warning+0x25/0x30 [qla2xxx] (BZ#2152178)

• Regression: Kernel panic on Lenovo T480 with AH40 USB-C docking station (BZ#2153277)

• Scheduler Update (rhel9.2) (BZ#2153792)

• RHEL9.1, Nx_Gzip: nr_total_credits is not decremented when processing units are reduced by dlpar in shared mode. (FW1030 / DLPAR) (BZ#2154305)

• MSFT, MANA, NET Patch RHEL-9: Fix race on per-CQ variable napi_iperf panic fix (BZ#2155145)

• Azure vPCI RHEL-9 add the support of multi-MSI (BZ#2155459)

• Azure RHEL-9: VM Deployment Failures Patch Request (BZ#2155930)

• The ‘date’ command shows wrong time in nested KVM s390x guest (BZ#2158815)

• RHEL-9.2: Update NVMe driver to sync with upstream v6.0 (BZ#2161344)

• CEE cephfs: RHEL9 cephfs client crashing with RIP: 0010:netfs_rreq_unlock+0xef/0x380 [netfs] (BZ#2161418)

• block layer: update with upstream v6.0 (BZ#2162535)