RHSA-2023:7749 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.

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

Security Fix(es):

• kernel: use-after-free vulnerability in the smb client component (CVE-2023-5345)

• kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)

• hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)

• kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)

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.