The following advisory data is extracted from:

https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_9498.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-rt security update
Advisory ID:        RHSA-2024:9498-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:9498
Issue date:         2024-11-13
Revision:           03
CVE Names:          CVE-2023-52522
====================================================================

Summary: 

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: net: fix possible store tearing in neigh_periodic_work() (CVE-2023-52522)

* kernel: tcp: add sanity checks to rx zerocopy (CVE-2024-26640)

* kernel: drm/amdgpu: use-after-free vulnerability (CVE-2024-26656)

* kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal() (CVE-2024-26772)

* kernel: x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() (CVE-2024-26906)

* kernel: NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 (CVE-2024-26870)

* kernel: genirq/cpuhotplug, x86/vector: Prevent vector leak during CPU offline (CVE-2024-31076)

* kernel: mptcp: ensure snd_una is properly initialized on connect (CVE-2024-40931)

* kernel: firmware: cs_dsp: Fix overflow checking of wmfw header (CVE-2024-41039)

* kernel: net/iucv: fix use after free in iucv_sock_close() (CVE-2024-42271)

* kernel: mptcp: pm: Fix uaf in __timer_delete_sync (CVE-2024-46858)

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-2023-52522

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2267795
https://bugzilla.redhat.com/show_bug.cgi?id=2270100
https://bugzilla.redhat.com/show_bug.cgi?id=2272692
https://bugzilla.redhat.com/show_bug.cgi?id=2273242
https://bugzilla.redhat.com/show_bug.cgi?id=2275635
https://bugzilla.redhat.com/show_bug.cgi?id=2275711
https://bugzilla.redhat.com/show_bug.cgi?id=2293684
https://bugzilla.redhat.com/show_bug.cgi?id=2297515
https://bugzilla.redhat.com/show_bug.cgi?id=2300408
https://bugzilla.redhat.com/show_bug.cgi?id=2315210