The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_1019.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-rt security update
Advisory ID:        RHSA-2024:1019-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:1019
Issue date:         2024-02-28
Revision:           03
CVE Names:          CVE-2022-38096
====================================================================

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 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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546)

* kernel: inactive elements in nft_pipapo_walk (CVE-2023-6817)

* kernel: netfilter: use-after-free in nft_trans_gc_catchall_sync leads to privilege escalation (CVE-2024-0193)

* kernel: vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query (CVE-2022-38096)

* kernel: Use-after-free in nft_verdict_dump due to a race between set GC and transaction (CVE-2023-4244)

* kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event's read_size (CVE-2023-6931)

* kernel: use-after-free in amdgpu_cs_wait_all_fences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (CVE-2023-51042)

* kernel: use-after-free during a race condition between a nonblocking atomic commit and a driver unload in drivers/gpu/drm/drm_atomic.c (CVE-2023-51043)

* kernel: nf_tables: use-after-free vulnerability in the nft_setelem_catchall_deactivate() function (CVE-2024-1085)

* kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function (CVE-2024-1086)

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-2022-38096

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2133452
https://bugzilla.redhat.com/show_bug.cgi?id=2235306
https://bugzilla.redhat.com/show_bug.cgi?id=2252731
https://bugzilla.redhat.com/show_bug.cgi?id=2255139
https://bugzilla.redhat.com/show_bug.cgi?id=2255498
https://bugzilla.redhat.com/show_bug.cgi?id=2255653
https://bugzilla.redhat.com/show_bug.cgi?id=2259866
https://bugzilla.redhat.com/show_bug.cgi?id=2260005
https://bugzilla.redhat.com/show_bug.cgi?id=2262126
https://bugzilla.redhat.com/show_bug.cgi?id=2262127