RHSA-2026:44385 — Security Advisory

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.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: VMCI: Fix use-after-free when removing resource in vmci_resource_remove() (CVE-2024-46738)

• kernel: vt: prevent kernel-infoleak in con_font_get() (CVE-2024-50076)

• kernel: Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync (CVE-2025-39982)

• kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation (CVE-2026-31488)

• kernel: smb: client: fix OOB reads parsing symlink error response (CVE-2026-31613)

• kernel: net: sched: act_csum: validate nested VLAN headers (CVE-2026-31684)

• kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)

• kernel: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CVE-2026-46209)

Bug Fix(es) and Enhancement(s):

• "Send error in SessSetup" messages fill up the logs [rhel-9.6.z] (JIRA:RHEL-145508)

• Fix suspend/resume printk bug in C9s [rhel-9.6.z] (JIRA:RHEL-148301)

• RHEL9.4 - s390/pci: Fix __pcilg_mio_inuser() inline assembly [rhel-9.6.z] (JIRA:RHEL-161490)

• NVMe-FC: Panic during NVMe Controller Reset tests [rhel-9.6.z] (JIRA:RHEL-171743)

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.