The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0448.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-2024:0448-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:0448
Issue date:         2024-01-25
Revision:           03
CVE Names:          CVE-2022-3545
====================================================================

Summary: 

An update for kernel 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 packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)

* kernel: use after free in unix_stream_sendpage (CVE-2023-4622)

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

* kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)

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

* kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)

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

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

* kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)

* kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)

* 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: use after free in nft_immediate_deactivate (CVE-2023-4015)

* kernel: A heap out-of-bounds write (CVE-2023-5717)

* hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)

* kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (CVE-2023-38409)

* kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)

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

* kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)

* kernel: NULL pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c (CVE-2023-6679)

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.

Bug Fix(es):

* sev-guest is not loaded automatically in the guest kernel when sev-snp is enabled (BZ#2218934)

* Cgroups v2: Current interface to disable cpu load balancing not compatible with kubernetes cgroup hierarchy (BZ#2238754)

* WPC ice driver misc irq not getting generated for a interface. (BZ#2245881)

* RHEL9.0 - s390/qeth: NET2016 - fix use-after-free in HSCI (BZ#2247798)

* pNFS/filelayout: treat GETDEVICEINFO errors as layout failure (BZ#2249557)

* cifs: fix dentry lookups in directory handle cache (BZ#2249558)

* Performance regression with random 2 KiB writes to ext4 filesystem with 4 KiB filesystem blocks (BZ#2249685)

* kernel.spec: Fix UKI naming to comply with BLS (BZ#2254546)


Solution:

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



CVEs:

CVE-2022-3545

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2144379
https://bugzilla.redhat.com/show_bug.cgi?id=2154178
https://bugzilla.redhat.com/show_bug.cgi?id=2161310
https://bugzilla.redhat.com/show_bug.cgi?id=2187773
https://bugzilla.redhat.com/show_bug.cgi?id=2187813
https://bugzilla.redhat.com/show_bug.cgi?id=2187931
https://bugzilla.redhat.com/show_bug.cgi?id=2207625
https://bugzilla.redhat.com/show_bug.cgi?id=2221463
https://bugzilla.redhat.com/show_bug.cgi?id=2226783
https://bugzilla.redhat.com/show_bug.cgi?id=2230042
https://bugzilla.redhat.com/show_bug.cgi?id=2231800
https://bugzilla.redhat.com/show_bug.cgi?id=2237750
https://bugzilla.redhat.com/show_bug.cgi?id=2237752
https://bugzilla.redhat.com/show_bug.cgi?id=2237757
https://bugzilla.redhat.com/show_bug.cgi?id=2237760
https://bugzilla.redhat.com/show_bug.cgi?id=2240249
https://bugzilla.redhat.com/show_bug.cgi?id=2244723
https://bugzilla.redhat.com/show_bug.cgi?id=2246944
https://bugzilla.redhat.com/show_bug.cgi?id=2246945
https://bugzilla.redhat.com/show_bug.cgi?id=2253986