RHSA-2023:1202: Important: kernel security, bug fix, and enhancement update

First published: Tue Mar 14 2023(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)</li> <li> kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)</li> <li> kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379)</li> <li> kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan (CVE-2023-0179)</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:[P10] With Guest Secure Boot and lockdown enabled, DLPAR operations can't be done (Rainier) (BZ#2107480)</li> <li> [RHEL 9.0] LTP Test failure and crash at fork14 on Sapphire Rapids Platinum 8280+ (BZ#2133084)</li> <li> RHEL9.0 - boot: Add secure boot trailer (BZ#2151529)</li> <li> 'date' command shows wrong time in nested KVM s390x guest (BZ#2158816)</li> <li> Kernel FIPS-140-3 requirements - part 3 - AES-XTS (BZ#2160176)</li> <li> RHEL 9.0.0 soft quota cannot exceed more the 5 warns which breaks timer functionality (BZ#2164263)</li> <li> In FIPS mode, the kernel should reject SHA-224, SHA-384, SHA-512-224, and SHA-512-256 as hashes for hash-based DRBGs, or provide an indicator after 2023-05-16 (BZ#2165131)</li> <li> [RHEL 9] FIPS: deadlock between PID 1 and "modprobe crypto-jitterentropy_rng" at boot, preventing system to boot. (BZ#2167762)</li> Enhancement(s):<br><li> [Intel 9.2 FEAT] [SPR] CPU: AMX: Improve the init_fpstate setup code (BZ#2168383)</li>

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