Issued:
2024-07-08
Updated:
2024-07-08

RHSA-2024:4352 - Important: kernel-rt security and bug fix update

Synopsis

Important: kernel-rt security and bug fix 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.

[Updated 03 July 2024]

The text of this advisory has been updated with the correct product name (Red Hat Enterprise Linux 8) in the Topics section. In the Problem Description section, CVEs of the same sub-components have been grouped together. The packages included in this revised update have not been changed in any way from the packages included in the original advisory.

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: tls (CVE-2024-26585,CVE-2024-26584, CVE-2024-26583

  • kernel-rt: kernel: PCI interrupt mapping cause oops [rhel-8] (CVE-2021-46909)

  • kernel: ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry (CVE-2021-47069)

  • kernel: hwrng: core - Fix page fault dead lock on mmap-ed hwrng (CVE-2023-52615)

  • kernel-rt: kernel: drm/amdgpu: use-after-free vulnerability (CVE-2024-26656)

  • kernel: Bluetooth: Avoid potential use-after-free in hci_error_reset CVE-2024-26801)

  • kernel: Squashfs: check the inode number is not the invalid value of zero (CVE-2024-26982)

  • kernel: netfilter: nf_tables: use timestamp to check for set element timeout (CVE-2024-27397)

  • kernel: wifi: mac80211: (CVE-2024-35789, CVE-2024-35838, CVE-2024-35845)

  • kernel: wifi: nl80211: reject iftype change with mesh ID change (CVE-2024-27410)

  • kernel: perf/core: Bail out early if the request AUX area is out of bound (CVE-2023-52835)

  • kernel:TCP-spoofed ghost ACKs and leak initial sequence number (CVE-2023-52881)

  • kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack (CVE-2020-26555)

  • kernel: ovl: fix leaked dentry (CVE-2021-46972)

  • kernel: platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios (CVE-2021-47073)

  • kernel: mm/damon/vaddr-test: memory leak in damon_do_test_apply_three_regions() (CVE-2023-52560)

  • kernel: ppp_async: limit MRU to 64K (CVE-2024-26675)

  • kernel: mm/swap: fix race when skipping swapcache (CVE-2024-26759)

  • kernel: RDMA/mlx5: Fix fortify source warning while accessing Eth segment (CVE-2024-26907)

  • kernel: x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() (CVE-2024-26906)

  • kernel: net: ip_tunnel: prevent perpetual headroom growth (CVE-2024-26804)

  • kernel: net/usb: kalmia: avoid printing uninitialized value on error path (CVE-2023-52703)

  • kernel: KVM: SVM: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs (CVE-2023-5090)

  • kernel: EDAC/thunderx: Incorrect buffer size in drivers/edac/thunderx_edac.c (CVE-2023-52464)

  • kernel: ipv6: sr: fix possible use-after-free and null-ptr-deref (CVE-2024-26735)

  • kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826)

  • kernel: net/bnx2x: Prevent access to a freed page in page_pool (CVE-2024-26859)

  • kernel: crypto: (CVE-2024-26974, CVE-2023-52813)

  • kernel: can: (CVE-2023-52878, CVE-2021-47456)

  • kernel: usb: (CVE-2023-52781, CVE-2023-52877)

  • kernel: net/mlx5e: fix a potential double-free in fs_any_create_groups (CVE-2023-52667)

  • kernel: usbnet: sanity check for maxpacket (CVE-2021-47495)

  • kernel: gro: fix ownership transfer (CVE-2024-35890)

  • kernel: erspan: make sure erspan_base_hdr is present in skb->head (CVE-2024-35888)

  • kernel: tipc: fix kernel warning when sending SYN message (CVE-2023-52700)

  • kernel: net/mlx5/mlxsw: (CVE-2024-35960, CVE-2024-36007, CVE-2024-35855)

  • kernel: net/mlx5e: (CVE-2024-35959, CVE-2023-52626, CVE-2024-35835)

  • kernel: mlxsw: (CVE-2024-35854, CVE-2024-35853, CVE-2024-35852)

  • kernel: net: (CVE-2024-35958, CVE-2021-47311, CVE-2021-47236, CVE-2021-47310)

  • kernel: i40e: Do not use WQ_MEM_RECLAIM flag for workqueue (CVE-2024-36004)

  • kernel: mISDN: fix possible use-after-free in HFC_cleanup() (CVE-2021-47356)

  • kernel: udf: Fix NULL pointer dereference in udf_symlink function (CVE-2021-47353)

Bug Fix(es):

  • kernel-rt: update RT source tree to the latest RHEL-8.10.z kernel (JIRA:RHEL-40882)

  • [rhel8.9][cxgb4]BUG: using smp_processor_id() in preemptible [00000000] code: ethtool/54735 (JIRA:RHEL-8779)

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.

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

The system must be rebooted for this update to take effect.

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-devel-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-debuginfo-common-x86_64-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-debug-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-debug-modules-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-debug-modules-extra-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-kvm-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-debug-devel-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-debug-kvm-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-core-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-modules-extra-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-debuginfo-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-debug-debuginfo-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-debug-core-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm
  • kernel-rt-4.18.0-553.8.1.rt7.349.el8_10.src.rpm
  • kernel-rt-modules-4.18.0-553.8.1.rt7.349.el8_10.x86_64.rpm

Fixes

CVEs

References

Additional information