RHSA-2024:0089 - Security Advisory

トピック

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.

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.

説明

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

Security Fix(es):

• kernel: use after free in unix_stream_sendpage (CVE-2023-4622)
• kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)

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.

解決策

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

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

影響を受ける製品

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le

修正

• BZ - 2237760 - CVE-2023-4622 kernel: use after free in unix_stream_sendpage
• BZ - 2239843 - CVE-2023-42753 kernel: netfilter: potential slab-out-of-bound access due to integer underflow

CVE

• CVE-2023-4622
• CVE-2023-42753

参考資料

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