Product Errata

RLSA-2023:7548

Important: kernel-rt security update

Topic

An update is available for kernel-rt.

This update affects Rocky Linux 8.

A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

Description

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: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)

* kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

* kernel: use-after-free due to race condition occurring in dvb_register_device() (CVE-2022-45884)

* kernel: use-after-free due to race condition occurring in dvb_net.c (CVE-2022-45886)

* kernel: use-after-free due to race condition occurring in dvb_ca_en50221.c (CVE-2022-45919)

* 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.