The following advisory data is extracted from:

https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_8162.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 security update
Advisory ID:        RHSA-2024:8162-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:8162
Issue date:         2024-10-16
Revision:           03
CVE Names:          CVE-2021-47385
====================================================================

Summary: 

An update for kernel is now available for Red Hat Enterprise Linux 9.

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

Security Fix(es):

* kernel: Local information disclosure on Intel(R) Atom(R) processors (CVE-2023-28746)

* kernel: netfilter: nft_flow_offload: reset dst in route object after setting up flow (CVE-2024-27403)

* kernel: Revert "net/mlx5: Block entering switchdev mode with ns inconsistency" (CVE-2023-52658)

* kernel: dmaengine: idxd: Fix oops during rmmod on single-CPU platforms (CVE-2024-35989)

* kernel: hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field (CVE-2021-47385)

* kernel: mptcp: ensure snd_nxt is properly initialized on connect (CVE-2024-36889)

* kernel: net: sched: sch_multiq: fix possible OOB write in multiq_tune() (CVE-2024-36978)

* kernel: net/mlx5: Add a timeout to acquire the command queue semaphore (CVE-2024-38556)

* kernel: KVM: SVM: WARN on vNMI + NMI window iff NMIs are outright masked (CVE-2024-39483)

* kernel: ionic: fix use after netif_napi_del() (CVE-2024-39502)

* kernel: xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr() (CVE-2024-40959)

* kernel: gfs2: Fix NULL pointer dereference in gfs2_log_flush (CVE-2024-42079)

* kernel: sched: act_ct: take care of padding in struct zones_ht_key (CVE-2024-42272)

* kernel: tipc: Return non-zero value from tipc_udp_addr2str() on error (CVE-2024-42284)

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-2021-47385

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2270700
https://bugzilla.redhat.com/show_bug.cgi?id=2281127
https://bugzilla.redhat.com/show_bug.cgi?id=2281149
https://bugzilla.redhat.com/show_bug.cgi?id=2281847
https://bugzilla.redhat.com/show_bug.cgi?id=2282355
https://bugzilla.redhat.com/show_bug.cgi?id=2284571
https://bugzilla.redhat.com/show_bug.cgi?id=2293078
https://bugzilla.redhat.com/show_bug.cgi?id=2293443
https://bugzilla.redhat.com/show_bug.cgi?id=2295921
https://bugzilla.redhat.com/show_bug.cgi?id=2297474
https://bugzilla.redhat.com/show_bug.cgi?id=2297543
https://bugzilla.redhat.com/show_bug.cgi?id=2300517