The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0432.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 and bug fix update
Advisory ID:        RHSA-2024:0432-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:0432
Issue date:         2024-01-25
Revision:           03
CVE Names:          CVE-2022-36879
====================================================================

Summary: 

An update for kernel is now available for Red Hat Enterprise Linux 9.0 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: xfrm_expand_policies() in net/xfrm/xfrm_policy.c can cause a refcount
to be dropped twice (CVE-2022-36879)

* kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip
(CVE-2022-41858)

* kernel: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c
(CVE-2023-1195)

* kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)

* kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
(CVE-2023-3567)

* kernel: use-after-free in netfilter: nf_tables (CVE-2023-3777)

* kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

* kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

* kernel: IGB driver inadequate buffer size for frames larger than MTU
(CVE-2023-45871)

* kernel: SEV-ES local priv escalation (CVE-2023-46813)

Bug Fix(es):

* RHEL 9 Hyper-V: Excessive hv_storvsc driver logging with srb_status 
SRB_STATUS_INTERNAL_ERROR  (0x30)

* RHEL9.0 - s390/qeth: NET2016 - fix use-after-free in HSCI

* DM multipath showing failed path for an nvme-o-FC LUN when performing I/O
operations

* XFS: sync to upstream v5.15

* AMDSERVER 9.4 Bug, Turin: Support larger microcode patches


Solution:

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



CVEs:

CVE-2022-36879

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2119855
https://bugzilla.redhat.com/show_bug.cgi?id=2144379
https://bugzilla.redhat.com/show_bug.cgi?id=2154171
https://bugzilla.redhat.com/show_bug.cgi?id=2187773
https://bugzilla.redhat.com/show_bug.cgi?id=2221463
https://bugzilla.redhat.com/show_bug.cgi?id=2237750
https://bugzilla.redhat.com/show_bug.cgi?id=2237757
https://bugzilla.redhat.com/show_bug.cgi?id=2241924
https://bugzilla.redhat.com/show_bug.cgi?id=2244723
https://bugzilla.redhat.com/show_bug.cgi?id=2246944