The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_4447.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-2024:4447-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:4447
Issue date:         2024-07-10
Revision:           03
CVE Names:          CVE-2021-47293
====================================================================

Summary: 

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

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: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)

* kernel: net/sched: act_skbmod: Skip non-Ethernet packets (CVE-2021-47293)

* kernel: net: ti: fix UAF in tlan_remove_one (CVE-2021-47310)

* kernel: KVM: NULL pointer dereference in kvm_mmu_invpcid_gva (CVE-2022-1789)

* kernel: tls: race between async notify and socket close (CVE-2024-26583)

* kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)

* kernel: ipv6: sr: fix possible use-after-free and null-ptr-deref (CVE-2024-26735)

* kernel: Bluetooth: Avoid potential use-after-free in hci_error_reset (CVE-2024-26801)

* kernel: net: ip_tunnel: prevent perpetual headroom growth (CVE-2024-26804)

* kernel: netfilter: nf_tables: use timestamp to check for set element timeout (CVE-2024-27397)

* kernel: net: ena: Fix incorrect descriptor free behavior (CVE-2024-35958)

* kernel: ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr (CVE-2024-35969)

* kernel: scsi: lpfc: Move NPIV's transport unregistration to after resource clean up (CVE-2024-36952)

* kernel: tls: handle backlogging of crypto requests (CVE-2024-26584)

* kernel: netfilter: nf_tables: honor table dormant flag from netdev release event path (CVE-2024-36005)

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-2021-47293

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2090723
https://bugzilla.redhat.com/show_bug.cgi?id=2265517
https://bugzilla.redhat.com/show_bug.cgi?id=2265519
https://bugzilla.redhat.com/show_bug.cgi?id=2265520
https://bugzilla.redhat.com/show_bug.cgi?id=2273278
https://bugzilla.redhat.com/show_bug.cgi?id=2273423
https://bugzilla.redhat.com/show_bug.cgi?id=2273429
https://bugzilla.redhat.com/show_bug.cgi?id=2277238
https://bugzilla.redhat.com/show_bug.cgi?id=2280434
https://bugzilla.redhat.com/show_bug.cgi?id=2281900
https://bugzilla.redhat.com/show_bug.cgi?id=2281925
https://bugzilla.redhat.com/show_bug.cgi?id=2281949
https://bugzilla.redhat.com/show_bug.cgi?id=2282472
https://bugzilla.redhat.com/show_bug.cgi?id=2282504
https://bugzilla.redhat.com/show_bug.cgi?id=2284598