Issued:
2024-08-13
Updated:
2024-08-13

RHSA-2024:5256 - 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 9.0 Update Services for SAP Solutions.

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: netfilter: nf_tables: disallow anonymous set with timeout flag (CVE-2024-26642)

  • kernel: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain (CVE-2024-26808)

  • kernel: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)

  • kernel: fs: sysfs: Fix reference leak in sysfs_break_active_protection() (CVE-2024-26993)

  • kernel: dmaengine/idxd: hardware erratum allows potential security problem with direct access by untrusted application (CVE-2024-21823)

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

  • kernel: netfilter: nft_flow_offload: reset dst in route object after setting up flow (CVE-2024-27403)

  • kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() (CVE-2024-35898)

  • kernel: netfilter: nf_tables: discard table flag update with pending basechain deletion (CVE-2024-35897)

  • kernel: net: CVE-2024-36971 kernel: UAF in network route management (CVE-2024-36971)

  • kernel: ionic: fix use after netif_napi_del() (CVE-2024-39502)

  • kernel: scsi: qedi: Fix crash while reading debugfs attribute (CVE-2024-40978)

  • kernel: net/sunrpc: fix reference count leaks in rpc_sysfs_xprt_state_change (CVE-2021-47624)

  • kernel: virtio-net: tap: mlx5_core short frame denial of service (CVE-2024-41090)

  • kernel: virtio-net: tun: mlx5_core short frame denial of service (CVE-2024-41091)

Bug Fix(es):

  • kernel-rt: update RT source tree to the latest RHEL-9.0.z Batch 19 (JIRA:RHEL-45540)

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 - Update Services for SAP Solutions9.0x86_64

Updated Packages

  • kernel-rt-debug-core-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-debug-debuginfo-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-debug-modules-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-debuginfo-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-debug-devel-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-modules-extra-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-modules-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-debug-kvm-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-5.14.0-70.112.1.rt21.184.el9_0.src.rpm
  • kernel-rt-debug-modules-extra-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-kvm-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-debuginfo-common-x86_64-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-core-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-devel-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-debug-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm
  • kernel-rt-5.14.0-70.112.1.rt21.184.el9_0.x86_64.rpm

Fixes

CVEs

References

Additional information