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Red Hat Security Advisory 2024-6297-03

Red Hat Security Advisory 2024-6297-03 - 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. Issues addressed include a use-after-free vulnerability.

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The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_6297.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

====================================================================
Red Hat Security Advisory

Synopsis: Moderate: kernel security update
Advisory ID: RHSA-2024:6297-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:6297
Issue date: 2024-09-04
Revision: 03
CVE Names: CVE-2021-47138
====================================================================

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: cxgb4: avoid accessing registers when clearing filters (CVE-2021-47138)

  • kernel: hv_netvsc: Fix race condition between netvsc_probe and netvsc_remove (CVE-2024-26698)

  • kernel: mm/slub: fix to return errno if kmalloc() fails (CVE-2022-48659)

  • kernel: Squashfs: check the inode number is not the invalid value of zero (CVE-2024-26982)

  • kernel: vt: fix unicode buffer corruption when deleting characters (CVE-2024-35823)

  • kernel: nvme-rdma: destroy cm id before destroy qp to avoid use after free (CVE-2021-47378)

  • kernel: userfaultfd: fix a race between writeprotect and exit_mmap() (CVE-2021-47461)

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

  • kernel: bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE (CVE-2024-38564)

  • kernel: bnxt_re: avoid shift undefined behavior in bnxt_qplib_alloc_init_hwq (CVE-2024-38540)

  • kernel: iommu: Fix potential use-after-free during probe (CVE-2022-48796)

  • kernel: xfs: add bounds checking to xlog_recover_process_data (CVE-2024-41014)

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-2021-47138

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2271484
https://bugzilla.redhat.com/show_bug.cgi?id=2273117
https://bugzilla.redhat.com/show_bug.cgi?id=2277801
https://bugzilla.redhat.com/show_bug.cgi?id=2278337
https://bugzilla.redhat.com/show_bug.cgi?id=2281190
https://bugzilla.redhat.com/show_bug.cgi?id=2282362
https://bugzilla.redhat.com/show_bug.cgi?id=2282896
https://bugzilla.redhat.com/show_bug.cgi?id=2293402
https://bugzilla.redhat.com/show_bug.cgi?id=2293429
https://bugzilla.redhat.com/show_bug.cgi?id=2293459
https://bugzilla.redhat.com/show_bug.cgi?id=2298132
https://bugzilla.redhat.com/show_bug.cgi?id=2300297

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