The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_1653.json

Red Hat officially shut down their mailing list notifications October 10, 2023.  Due to this, Packet Storm has recreated the below data as a reference point to raise awareness.  It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff




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Red Hat Security Advisory

Synopsis:           Moderate: kernel security and bug fix update
Advisory ID:        RHSA-2024:1653-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:1653
Issue date:         2024-04-03
Revision:           03
CVE Names:          CVE-2021-33631
====================================================================

Summary: 

An update for kernel is now available for Red Hat Enterprise Linux 8.6 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.




Description:

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

Security Fix(es):

* kernel: use-after-free in drivers/media/rc/ene_ir.c due to race condition (CVE-2023-1118)

* kernel: ext4: kernel bug in ext4_write_inline_data_end() (CVE-2021-33631)

* kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)


Solution:

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



CVEs:

CVE-2021-33631

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2174400
https://bugzilla.redhat.com/show_bug.cgi?id=2261976
https://bugzilla.redhat.com/show_bug.cgi?id=2267695