Issued:
2024-08-08
Updated:
2024-08-08

RHSA-2024:5102 - Important: kernel-rt security update

Synopsis

Important: kernel-rt security update

Type/Severity

Security Advisory Important

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

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.

Description

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • 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: 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)

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

  • kernel: crash due to a missing check for leb_size (CVE-2024-25739)

  • kernel: tcp: make sure init the accept_queue's spinlocks once (CVE-2024-26614)

  • kernel: tcp: add sanity checks to rx zerocopy (CVE-2024-26640)

  • kernel: NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 (CVE-2024-26870)

  • kernel: nfs: fix UAF in direct writes (CVE-2024-26958)

  • kernel: SUNRPC: fix some memleaks in gssx_dec_option_array (CVE-2024-27388)

  • kernel: wifi: iwlwifi: mvm: don't set the MFP flag for the GTK (CVE-2024-27434)

  • kernel: of: Fix double free in of_parse_phandle_with_args_map (CVE-2023-52679)

  • kernel: scsi: lpfc: Fix possible memory leak in lpfc_rcv_padisc() (CVE-2024-35930)

  • kernel: wifi: iwlwifi: mvm: rfi: fix potential response leaks (CVE-2024-35912)

  • kernel: block: prevent division by zero in blk_rq_stat_sum() (CVE-2024-35925)

  • kernel: wifi: ath11k: decrease MHI channel buffer length to 8KB (CVE-2024-35938)

  • kernel: wifi: cfg80211: check A-MSDU format more carefully (CVE-2024-35937)

  • kernel: wifi: rtw89: fix null pointer access when abort scan (CVE-2024-35946)

  • kernel: netfilter: nf_tables: honor table dormant flag from netdev release event path (CVE-2024-36005)

  • kernel: mm/hugetlb: fix missing hugetlb_lock for resv uncharge (CVE-2024-36000)

  • kernel: mlxsw: spectrum_acl_tcam: Fix incorrect list API usage (CVE-2024-36006)

  • kernel: net: ieee802154: fix null deref in parse dev addr (CVE-2021-47257)

  • kernel: mmc: sdio: fix possible resource leaks in some error paths (CVE-2023-52730)

  • kernel: wifi: ath11k: fix gtk offload status event locking (CVE-2023-52777)

  • (CVE-2023-52832)

  • (CVE-2023-52803)

  • (CVE-2023-52756)

  • (CVE-2023-52834)

  • (CVE-2023-52791)

  • (CVE-2023-52764)

  • (CVE-2021-47468)

  • (CVE-2021-47284)

  • (CVE-2024-36025)

  • (CVE-2024-36941)

  • (CVE-2024-36940)

  • (CVE-2024-36904)

  • (CVE-2024-36896)

  • (CVE-2024-36954)

  • (CVE-2024-36950)

  • (CVE-2024-38575)

  • (CVE-2024-36917)

  • (CVE-2024-36016)

  • (CVE-2023-52762)

  • (CVE-2024-27025)

  • (CVE-2021-47548)

  • (CVE-2023-52619)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle8.10x86_64
Red Hat Enterprise Linux for Real Time8x86_64
Red Hat Enterprise Linux for Real Time for NFV8x86_64

Updated Packages

  • kernel-rt-debug-core-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-devel-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-debug-modules-extra-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-modules-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-debuginfo-common-x86_64-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-core-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-modules-extra-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-kvm-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-4.18.0-553.16.1.rt7.357.el8_10.src.rpm
  • kernel-rt-debug-kvm-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-debug-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-debug-debuginfo-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-debug-devel-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-debuginfo-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm
  • kernel-rt-debug-modules-4.18.0-553.16.1.rt7.357.el8_10.x86_64.rpm

Fixes

CVEs

References

Additional information