RHSA-2025:12623 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced 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: cifs: potential buffer overflow in handling symlinks (CVE-2022-49058)
• kernel: wifi: iwlwifi: limit printed string from FW file (CVE-2025-21905)
• kernel: net: atm: fix use after free in lec_send() (CVE-2025-22004)
• kernel: ext4: ignore xattrs past end (CVE-2025-37738)
• kernel: drivers:md:fix a potential use-after-free bug (CVE-2022-50022)

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 Server - AUS 8.2 x86_64

Fixes

• BZ - 2348254 - CVE-2022-49058 kernel: cifs: potential buffer overflow in handling symlinks
• BZ - 2356613 - CVE-2025-21905 kernel: wifi: iwlwifi: limit printed string from FW file
• BZ - 2357142 - CVE-2025-22004 kernel: net: atm: fix use after free in lec_send()
• BZ - 2363305 - CVE-2025-37738 kernel: ext4: ignore xattrs past end
• BZ - 2373672 - CVE-2022-50022 kernel: drivers:md:fix a potential use-after-free bug

CVEs

• CVE-2022-49058
• CVE-2022-50022
• CVE-2025-21905
• CVE-2025-22004
• CVE-2025-37738

References

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