RHSA-2024:5257 - Security Advisory

Topic

An update for kernel 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 packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: netfilter: nf_tables: disallow anonymous set with timeout flag (CVE-2024-26642)
• kernel: KVM: s390: vsie: fix race during shadow creation (CVE-2023-52639)
• 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: xen-netfront: Add missing skb_mark_for_recycle (CVE-2024-27393)
• 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: 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)
• kernel: KEV - Beaky Buzzard (CVE-2024-36971)

Bug Fix(es):

• updating nvme firmware, '# nvme list' output does not reflect the new firmware version without rebooting. (JIRA:RHEL-46809)

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

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

Affected Products

• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.0 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.0 x86_64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.0 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.0 s390x

Fixes

• BZ - 2270881 - CVE-2024-26642 kernel: netfilter: nf_tables: disallow anonymous set with timeout flag
• BZ - 2273080 - CVE-2023-52639 kernel: KVM: s390: vsie: fix race during shadow creation
• BZ - 2273405 - CVE-2024-26808 kernel: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain
• BZ - 2277238 - CVE-2024-36886 kernel: TIPC message reassembly use-after-free remote code execution vulnerability
• BZ - 2278314 - CVE-2024-26993 kernel: fs: sysfs: Fix reference leak in sysfs_break_active_protection()
• BZ - 2278989 - CVE-2024-21823 kernel: dmaengine/idxd: hardware erratum allows potential security problem with direct access by untrusted application
• BZ - 2280434 - CVE-2024-27397 kernel: netfilter: nf_tables: use timestamp to check for set element timeout
• BZ - 2280745 - CVE-2024-27393 kernel: xen-netfront: Add missing skb_mark_for_recycle
• BZ - 2281127 - CVE-2024-27403 kernel: netfilter: nft_flow_offload: reset dst in route object after setting up flow
• BZ - 2281669 - CVE-2024-35898 kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()
• BZ - 2281672 - CVE-2024-35897 kernel: netfilter: nf_tables: discard table flag update with pending basechain deletion
• BZ - 2292331 - CVE-2024-36971 kernel: net: CVE-2024-36971 kernel: UAF in network route management
• BZ - 2297474 - CVE-2024-39502 kernel: ionic: fix use after netif_napi_del()
• BZ - 2297562 - CVE-2024-40978 kernel: scsi: qedi: Fix crash while reading debugfs attribute
• BZ - 2298108 - CVE-2021-47624 kernel: net/sunrpc: fix reference count leaks in rpc_sysfs_xprt_state_change
• BZ - 2299240 - CVE-2024-41090 kernel: virtio-net: tap: mlx5_core short frame denial of service
• BZ - 2299336 - CVE-2024-41091 kernel: virtio-net: tun: mlx5_core short frame denial of service

CVEs

• CVE-2021-47624
• CVE-2023-52639
• CVE-2024-21823
• CVE-2024-26642
• CVE-2024-26808
• CVE-2024-26993
• CVE-2024-27393
• CVE-2024-27397
• CVE-2024-27403
• CVE-2024-35897
• CVE-2024-35898
• CVE-2024-36886
• CVE-2024-36971
• CVE-2024-39502
• CVE-2024-40978
• CVE-2024-41090
• CVE-2024-41091

References

• https://access.redhat.com/security/updates/classification/#important