Red Hat Security Advisory 2024-6753-03

The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_6753.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-2024:6753-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:6753
Issue date: 2024-09-18
Revision: 03
CVE Names: CVE-2021-47352
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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 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: ext4: fix double-free of blocks due to wrong extents moved_len (CVE-2024-26704)

* kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found() (CVE-2024-26773)

* kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal() (CVE-2024-26772)

* kernel: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() (CVE-2024-27020)

* kernel: netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get() (CVE-2024-27019)

* kernel: ipv6: sr: fix out-of-bounds read when setting HMAC data. (CVE-2022-48687)

* kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() (CVE-2024-35898)

* kernel: virtio-net: Add validation for used length (CVE-2021-47352)

* kernel: mm, thp: bail out early in collapse_file for writeback page (CVE-2021-47492)

* kernel: bpf: Fix overrunning reservations in ringbuf (CVE-2024-41009)

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-2021-47352

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2273174
https://bugzilla.redhat.com/show_bug.cgi?id=2273236
https://bugzilla.redhat.com/show_bug.cgi?id=2273242
https://bugzilla.redhat.com/show_bug.cgi?id=2278256
https://bugzilla.redhat.com/show_bug.cgi?id=2278258
https://bugzilla.redhat.com/show_bug.cgi?id=2278930
https://bugzilla.redhat.com/show_bug.cgi?id=2281669
https://bugzilla.redhat.com/show_bug.cgi?id=2282401
https://bugzilla.redhat.com/show_bug.cgi?id=2282924
https://bugzilla.redhat.com/show_bug.cgi?id=2298412