Red Hat alert RHSA-2026:0754-01 (kernel-rt)

An update for kernel-rt is now available for Red Hat Enterprise Linux 7
Extended Lifecycle 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-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too
(CVE-2025-37823)

* kernel: scsi: ses: Fix possible desc_ptr out-of-bounds accesses
(CVE-2023-53675)

* kernel: ipv6: Fix out-of-bounds access in ipv6_find_tlv() (CVE-2023-53705)

* kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()
(CVE-2025-68285)

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/2026/rhsa-2026_0754.json