The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_4583.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-2024:4583-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:4583
Issue date: 2024-07-17
Revision: 03
CVE Names: CVE-2021-47548
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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 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: ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port() (CVE-2021-47548)

* kernel: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg (CVE-2021-47596)

* kernel: vt: fix memory overlapping when deleting chars in the buffer (CVE-2022-48627)

* kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock (CVE-2023-52638)

* kernel: mm/vmscan: fix a bug calling wakeup_kswapd() with a wrong zone index (CVE-2024-26783)

* kernel: net/mlx5e: Use a memory barrier to enforce PTP WQ xmit submission tracking occurs after populating the metadata_map (CVE-2024-26858)

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

* kernel: nvme: fix reconnection fail due to reserved tag allocation (CVE-2024-27435)

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

* kernel: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique(). (CVE-2024-36904)

* kernel: lib/test_hmm.c: handle src_pfns and dst_pfns allocation failure (CVE-2024-38543)

* kernel: r8169: Fix possible ring buffer corruption on fragmented Tx packets. (CVE-2024-38586)

* kernel: net: micrel: Fix receiving the timestamp in the frame for lan8841 (CVE-2024-38593)

* kernel: netfilter: tproxy: bail out if IP has been disabled on the device (CVE-2024-36270)

* kernel: octeontx2-af: avoid off-by-one read from userspace (CVE-2024-36957)

* kernel: blk-cgroup: fix list corruption from resetting io stat (CVE-2024-38663)

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-2021-47548

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2267509
https://bugzilla.redhat.com/show_bug.cgi?id=2273082
https://bugzilla.redhat.com/show_bug.cgi?id=2273466
https://bugzilla.redhat.com/show_bug.cgi?id=2275735
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=2281131
https://bugzilla.redhat.com/show_bug.cgi?id=2281925
https://bugzilla.redhat.com/show_bug.cgi?id=2283401
https://bugzilla.redhat.com/show_bug.cgi?id=2284541
https://bugzilla.redhat.com/show_bug.cgi?id=2284581
https://bugzilla.redhat.com/show_bug.cgi?id=2293230
https://bugzilla.redhat.com/show_bug.cgi?id=2293380
https://bugzilla.redhat.com/show_bug.cgi?id=2293402
https://bugzilla.redhat.com/show_bug.cgi?id=2293456
https://bugzilla.redhat.com/show_bug.cgi?id=2293653
https://bugzilla.redhat.com/show_bug.cgi?id=2294225