Topic: An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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Details: The kernel packages contain the Linux kernel, the core of any Linux operating system. The following packages have been upgraded to a later upstream version: kernel (5.14.0). Security Fix(es): * kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390) * kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE (CVE-2023-3610) * kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776) * kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004) * kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (CVE-2023-4147) * kernel: nf_tables: use-after-free in nft_chain_lookup_byid() (CVE-2023-31248) * kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001) * kernel: save/restore speculative MSRs during S3 suspend/resume (CVE-2023-1637) * hw: amd: Cross-Process Information Leak (CVE-2023-20593) * kernel: bypass of shadow stack protection due to a logic error (CVE-2023-21102) 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): * [Intel 9.3 BUG] [SPR][EMR][FHF] ACPI: Fix system hang during S3 wakeup (BZ#2218026) * [Dell 9.2 BUG] Monitor lost after replug WD19TBS to SUT port wiith VGA/DVI to type-C dongle (BZ#2219463) * rtmutex: Incorrect waiter woken when requeueing in rt_mutex_adjust_prio_chain() (BZ#2222121) * RHEL AWS ARM Instability During Microshift e2e tests (BZ#2223310) * RHEL 9.x updates for SEV-SNP guest support (BZ#2224587) * Lock state corruption from nested rtmutex blocking in blk_flush_plug() (BZ#2225623) * bpf_jit_limit hit again - copy_seccomp() fix (BZ#2226945) * libceph: harden msgr2.1 frame segment length checks (BZ#2227070) * Temporary values used for the FIPS integrity test should be zeroized after use (BZ#2227768) * Important iavf bug fixes July 2023 (BZ#2228156) * [i40e/ice] error: Cannot set interface MAC/vlanid to 1e:b7:e2:02:b1:aa/0 for ifname ens4f0 vf 0: Resource temporarily unavailable (BZ#2228158) * lvconvert --splitcache, --uncache operations getting hung (BZ#2228481) * perf: EMR core and uncore PMU support (BZ#2230175) * NVIDIA - Grace: Backport i2c: tegra: Set ACPI node as primary fwnode (BZ#2230483) * NVIDIA - Grace: Backport i2c: tegra: Fix PEC support for SMBUS block read (BZ#2230488) * [Hyper-V][RHEL 9]incomplete fc_transport implementation in storvsc causes null dereference in fc_timed_out() (BZ#2230747) * Kernel config option CONFIG_CRYPTO_STATS should be disabled until it is enhanced (BZ#2231850) * [RHEL 9][Hyper-V]Excessive hv_storvsc driver logging with srb_status SRB_STATUS_INTERNAL_ERROR (0x30) (BZ#2231990) * RHEL-9: WARNING: bad unlock balance detected! (BZ#2232213) * NVIDIA - Grace: Backport drm/ast patch expected for kernel 6.4 (BZ#2232302) * [Lenovo 9.1 bug] RHEL 9 will hang when "echo c > /proc/sysrq-trigger". (BZ#2232700) * [RHEL-9] bz2022169 in /kernel/general/process/reg-suit fails on aarch64 (/proc/[pid]/wchan broken) (BZ#2233928) Enhancement(s): * [Intel 9.3 FEAT] cpufreq: intel_pstate: Enable HWP IO boost for all servers (BZ#2210270) * [Dell 9.3 FEAT] - New MB with AMP Codec Change on Maya Bay (audio driver) (BZ#2218960) * [Lenovo 9.3 FEAT] MDRAID - Update to the latest upstream (BZ#2221170) * [Intel 9.3 FEAT] [EMR] Add EMR support to uncore-frequency driver (BZ#2230169)

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