(RHSA-2023:5069) Important: kernel security, bug fix, and enhancement update

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)