RHSA-2026:62568 — Security Advisory

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

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Severity

Important

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · September 2, 2026

Updated · November 3, 2026

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

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: Squashfs: sanity check symbolic link size (CVE-2024-46744)
kernel: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item (CVE-2025-68211)
kernel: Bluetooth: SCO: fix race conditions in sco_sock_connect() (CVE-2026-43023)
kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114)
kernel: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels (CVE-2026-46099)
kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)
kernel: RDMA/mana: Validate rx_hash_key_len (CVE-2026-46145)
kernel: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006)
kernel: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() (CVE-2026-64002)
kernel: crypto: qat - validate RSA CRT component lengths (CVE-2026-64304)
kernel: net: bridge: stop fast-leave after deleting a port group (CVE-2026-74480)
kernel: vhost: reset the vring metadata cache on vring reconfiguration (CVE-2026-74580)

Bug Fix(es) and Enhancement(s):

[RHEL 9] Bonding reports unknown speed/duplex for tg3 interface [rhel-9.6.z] (JIRA:RHEL-182767)
[RHEL9] tlbflush - Windows Driver Verifier catches FLTMGR/Ntfs crashes during KVM 42-VM soak test on AMD EPYC Turin [rhel-9.6.z] (JIRA:RHEL-214435)
vhost: reset the vring metadata cache on vring reconfiguration [rhel-9.6.z] (JIRA:RHEL-224548)
[RHEL9] BUG: KASAN: global-out-of-bounds in scsi_sysfs_add_host+0x179/0x1b0 [rhel-9.6.z] (JIRA:RHEL-234440)

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.