The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_2758.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




====================================================================
Red Hat Security Advisory

Synopsis:           Moderate: kernel security and bug fix update
Advisory ID:        RHSA-2024:2758-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:2758
Issue date:         2024-05-08
Revision:           03
CVE Names:          CVE-2023-6240
====================================================================

Summary: 

An update for kernel is now available for Red Hat Enterprise Linux 9.

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

* CVE-2024-25743 hw: amd: Instruction raise #VC exception at exit (AMD-SN-3008,CVE-2024-25742,CVE-2024-25743)

Bug Fix(es):

* ffdhe* algortihms introduced in 0a2e5b909023 as .fips_allowed=1 lack pairwise consistency tests (JIRA:RHEL-27009)

* mm/mglru: fix underprotected page cache (JIRA:RHEL-29235)

* [EMR] [TBOOT OS] SUT could not go to S3 state with RHEL 9.2 Tboot OS One CPU return -16 running BUSY (JIRA:RHEL-29673)

* system hangs completely - NMI not possible (JIRA:RHEL-30678)

* ice 0000:6f:00.0: PTP failed to get time (JIRA:RHEL-30110)


Solution:

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



CVEs:

CVE-2023-6240

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2250843
https://bugzilla.redhat.com/show_bug.cgi?id=2270836