The following advisory data is extracted from:

https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_11245.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:           Important: kernel security update
Advisory ID:        RHSA-2025:11245-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2025:11245
Issue date:         2025-07-16
Revision:           03
CVE Names:          CVE-2023-52933
====================================================================

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 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: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)

* kernel: Squashfs: fix handling and sanity checking of xattr_ids count (CVE-2023-52933)

* kernel: net: atm: fix use after free in lec_send() (CVE-2025-22004)

* kernel: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() (CVE-2025-22121)

* kernel: ext4: fix off-by-one error in do_split (CVE-2025-23150)

* kernel: ext4: ignore xattrs past end (CVE-2025-37738)

* kernel: net/mdiobus: Fix potential out-of-bounds clause 45 read/write access (CVE-2025-38110)

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-2023-52933

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2348596
https://bugzilla.redhat.com/show_bug.cgi?id=2355476
https://bugzilla.redhat.com/show_bug.cgi?id=2357142
https://bugzilla.redhat.com/show_bug.cgi?id=2360199
https://bugzilla.redhat.com/show_bug.cgi?id=2363268
https://bugzilla.redhat.com/show_bug.cgi?id=2363305
https://bugzilla.redhat.com/show_bug.cgi?id=2376035