Red Hat alert RHSA-2026:39371-01 (kernel) [LWN.net]

An update for kernel is now available for Red Hat Enterprise Linux 10.0
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: proc: use the same treatment to check proc_lseek as ones for
proc_read_iter et.al (CVE-2025-38653)

* kernel: ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA
xattr (CVE-2025-68183)

* kernel: crypto: asymmetric_keys - prevent overflow in
asymmetric_key_generate_id (CVE-2025-68724)

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

* kernel: netfilter: nf_conntrack_helper: pass helper to expect cleanup
(CVE-2026-43027)

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

* kernel: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330)

* kernel: scsi: qla2xxx: Completely fix fcport double free (CVE-2026-43414)

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

* kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)

* 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)

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.

This content is licensed under the Creative Commons Attribution 4.0
International License (https://creativecommons.org/licenses/by/4.0/). If you
distribute this content, or a modified version of it, you must provide
attribution to Red Hat Inc. and provide a link to the original.

Original: https://access.redhat.com/security/data/csaf/v2/advisories/2026/rhsa-2026_39371.json