RHSA-2026:38902 — 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: ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr (CVE-2025-68183)

• kernel: Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold (CVE-2026-31408)

• kernel: eventpoll: defer struct eventpoll free to RCU grace period (CVE-2026-43074)

• kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279)

• kernel: gfs2: Fix use-after-free in iomap inline data write path (CVE-2026-45984)

• kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152)

• kernel: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path (CVE-2026-46189)

• kernel: nvmet-tcp: fix race between ICReq handling and queue teardown (CVE-2026-46135)

• kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF (CVE-2026-46242)

• kernel: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry (CVE-2026-46316)

• kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359)

Bug Fix(es) and Enhancement(s):

• Possible THP Stalls on Multi-NUMA Systems for HANA on RHEL [rhel-9.6.z] (JIRA:RHEL-164774)

• crypto: testmgr - allow authenc(hmac(sha{256,384}),cts(cbc(aes))) in FIPS mode [rhel-9.6.z] (JIRA:RHEL-182539)

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.