Red Hat alert RHSA-2025:19105-01 (kernel)

An update for kernel is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of
Moderate. 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: vsock/virtio: Validate length in packet header before skb_put()
(CVE-2025-39718)

* kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()
(CVE-2025-39730)

* kernel: ALSA: hda/ca0132: Fix buffer overflow in add_tuning_control
(CVE-2025-39751)

* kernel: fs/smb: Fix inconsistent refcnt update (CVE-2025-39819)

* kernel: pstore/ram: Check start of empty przs during init (CVE-2023-53331)

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.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_19105.json