RHSA-2024:3460 — 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 Moderate. 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: netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout (CVE-2024-26643)

• kernel: netfilter: nf_tables: disallow anonymous set with timeout flag (CVE-2024-26642)

• kernel: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations (CVE-2024-26673)

• kernel: ipv6: sr: fix possible use-after-free and null-ptr-deref (CVE-2024-26735)

• kernel: net: ip_tunnel: prevent perpetual headroom growth (CVE-2024-26804)

• kernel: cifs: fix underflow in parse_server_interfaces() (CVE-2024-26828)

• kernel: fs: sysfs: Fix reference leak in sysfs_break_active_protection() (CVE-2024-26993)

Bug Fix:

• kernel-rt: update RT source tree to the latest RHEL-9.2 ad hoc schedule build (JIRA:RHEL-36221)