RHSA-2024:0402 — Security Advisory

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.2 Telecommunications Update Service.

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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)

• 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)

• kernel: Race Condition leading to UAF in Unix Socket could happen in sk_receive_queue (BZ#2230094)

• kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)

• hw: amd: Cross-Process Information Leak (CVE-2023-20593)

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.