The following advisory data is extracted from:

https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_9584.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 update
Advisory ID:        RHSA-2025:9584-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2025:9584
Issue date:         2025-06-25
Revision:           03
CVE Names:          CVE-2023-52623
====================================================================

Summary: 

An update for kernel is now available for Red Hat Enterprise Linux 9.4 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: nbd: always initialize struct msghdr completely (CVE-2024-26638)

* kernel: SUNRPC: Fix a suspicious RCU usage warning (CVE-2023-52623)

* kernel: net/sched: flower: Fix chain template offload (CVE-2024-26669)

* kernel: drm/i915/vma: Fix UAF on destroy against retire race (CVE-2024-26939)

* kernel: wifi: mac80211: fix potential sta-link leak (CVE-2024-35838)

* kernel: irqchip/gic-v3-its: Prevent double free on error (CVE-2024-35847)

* kernel: drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node (CVE-2023-52662)

* kernel: block: fix overflow in blk_ioctl_discard() (CVE-2024-36917)

* kernel: netfilter: nf_tables: prefer nft_chain_validate (CVE-2024-41042)

* kernel: bpf: fix OOB devmap writes when deleting elements (CVE-2024-56615)

* kernel: ndisc: use RCU protection in ndisc_alloc_skb() (CVE-2025-21764)

* kernel: vmxnet3: Fix packet corruption in vmxnet3_xdp_xmit_frame (CVE-2024-58099)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.


Solution:

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



CVEs:

CVE-2023-52623

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2270103
https://bugzilla.redhat.com/show_bug.cgi?id=2271686
https://bugzilla.redhat.com/show_bug.cgi?id=2272795
https://bugzilla.redhat.com/show_bug.cgi?id=2278220
https://bugzilla.redhat.com/show_bug.cgi?id=2281157
https://bugzilla.redhat.com/show_bug.cgi?id=2281268
https://bugzilla.redhat.com/show_bug.cgi?id=2281360
https://bugzilla.redhat.com/show_bug.cgi?id=2284519
https://bugzilla.redhat.com/show_bug.cgi?id=2300412
https://bugzilla.redhat.com/show_bug.cgi?id=2334493
https://bugzilla.redhat.com/show_bug.cgi?id=2348575
https://bugzilla.redhat.com/show_bug.cgi?id=2362882