RHSA-2024:3528 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced 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.

Description

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

Security Fix(es):

• kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)
• kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)
• kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function (CVE-2024-1086)
• kernel: net: bridge: data races indata-races in br_handle_frame_finish() (CVE-2023-52578)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux Server - AUS 8.2 x86_64

Fixes

• BZ - 2187813 - CVE-2023-2166 kernel: NULL pointer dereference in can_rcv_filter
• BZ - 2187931 - CVE-2023-2176 kernel: Slab-out-of-bound read in compare_netdev_and_ip
• BZ - 2262126 - CVE-2024-1086 kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function
• BZ - 2267758 - CVE-2023-52578 kernel: net: bridge: data races indata-races in br_handle_frame_finish()

CVEs

• CVE-2023-2166
• CVE-2023-2176
• CVE-2023-52578
• CVE-2024-1086

References

• https://access.redhat.com/security/updates/classification/#important