RHSA-2025:9580 - Security Advisory

标题

An update for kernel is now available for Red Hat Enterprise Linux 8.

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.

描述

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: cifs: fix double free race when mount fails in cifs_get_root() (CVE-2022-48919)
• kernel: security/keys: fix slab-out-of-bounds in key_task_permission (CVE-2024-50301)
• kernel: idpf: fix idpf_vc_core_init error path (CVE-2024-53064)
• kernel: ndisc: use RCU protection in ndisc_alloc_skb() (CVE-2025-21764)

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.

解决方案

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.

受影响的产品

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64

修复

• BZ - 2327188 - CVE-2024-50301 kernel: security/keys: fix slab-out-of-bounds in key_task_permission
• BZ - 2327347 - CVE-2024-53064 kernel: idpf: fix idpf_vc_core_init error path
• BZ - 2348575 - CVE-2025-21764 kernel: ndisc: use RCU protection in ndisc_alloc_skb()

CVE

• CVE-2022-48919
• CVE-2024-50301
• CVE-2024-53064
• CVE-2025-21764

参考

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