Red Hat alert RHSA-2025:7956-01 (kernel)

An update for kernel is now available for Red Hat Enterprise Linux 10.

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: dm-flakey: Fix memory corruption in optional corrupt_bio_byte
feature (CVE-2025-21966)

* kernel: iscsi_ibft: Fix UBSAN shift-out-of-bounds warning in
ibft_attr_show_nic() (CVE-2025-21993)

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_7956.json