RHSA-2025:14746 - Security Advisory

Topic

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.

Description

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: media: uvcvideo: Fix double free in error path (CVE-2024-57980)
• kernel: HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() (CVE-2025-21928)
• kernel: ext4: fix off-by-one error in do_split (CVE-2025-23150)
• kernel: misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram() (CVE-2022-49788)
• kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (CVE-2025-38000)
• kernel: ext4: avoid resizing to a partial cluster size (CVE-2022-50020)
• kernel: drivers:md:fix a potential use-after-free bug (CVE-2022-50022)
• kernel: sch_hfsc: make hfsc_qlen_notify() idempotent (CVE-2025-38177)
• kernel: net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 x86_64

Fixes

• BZ - 2348599 - CVE-2024-57980 kernel: media: uvcvideo: Fix double free in error path
• BZ - 2356592 - CVE-2025-21928 kernel: HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove()
• BZ - 2363268 - CVE-2025-23150 kernel: ext4: fix off-by-one error in do_split
• BZ - 2363378 - CVE-2022-49788 kernel: misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram()
• BZ - 2370786 - CVE-2025-38000 kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()
• BZ - 2373630 - CVE-2022-50020 kernel: ext4: avoid resizing to a partial cluster size
• BZ - 2373672 - CVE-2022-50022 kernel: drivers:md:fix a potential use-after-free bug
• BZ - 2376354 - CVE-2025-38177 kernel: sch_hfsc: make hfsc_qlen_notify() idempotent
• BZ - 2382054 - CVE-2025-38350 kernel: net/sched: Always pass notifications when child class becomes empty

CVEs

• CVE-2022-49788
• CVE-2022-50020
• CVE-2022-50022
• CVE-2024-57980
• CVE-2025-21928
• CVE-2025-23150
• CVE-2025-38000
• CVE-2025-38177
• CVE-2025-38350

References

• https://access.redhat.com/security/updates/classification/#important