RHSA-2024:1882 — Security Advisory

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.

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: Marvin vulnerability side-channel leakage in the RSA decryption operation (CVE-2023-6240)

• kernel: tls: use-after-free with partial reads and async decrypt (CVE-2024-26582)

• kernel: tls: handle backlogging of crypto requests (CVE-2024-26584)

• kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)

Bug Fix(es):

• kernel-rt: kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (JIRA:RHEL-29214)

• kernel-rt: update RT source tree to the latest RHEL-9.2 ad hoc schedule build (JIRA:RHEL-30439)

• kernel-rt: kernel: tls: use-after-free with partial reads and async decrypt (JIRA:RHEL-26399)

• kernel-rt: kernel: Marvin vulnerability side-channel leakage in the RSA decryption operation (JIRA:RHEL-29687)

• kernel-rt: kernel: tls: handle backlogging of crypto requests (JIRA:RHEL-30451)