RHSA-2025:19104 — Security Advisory
Red Hat Security Advisory: kernel security update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · October 28, 2025
Updated · November 2, 2026
Topic
An update for kernel is now available for Red Hat Enterprise Linux 9.4 Extended Update Support.
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.
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
-
kernel: HID: core: Harden s32ton() against conversion to 0 bits (CVE-2025-38556)
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kernel: sunrpc: fix client side handling of tls alerts (CVE-2025-38571)
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kernel: eventpoll: Fix semi-unbounded recursion (CVE-2025-38614)
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kernel: vsock/virtio: Validate length in packet header before skb_put() (CVE-2025-39718)
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kernel: tls: fix handling of zero-length records on the rx_list (CVE-2025-39682)
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kernel: ALSA: hda/ca0132: Fix buffer overflow in add_tuning_control (CVE-2025-39751)
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kernel: crypto: seqiv - Handle EBUSY correctly (CVE-2023-53373)
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.