Headline
Red Hat Security Advisory 2024-6268-03
Red Hat Security Advisory 2024-6268-03 - An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Issues addressed include a use-after-free vulnerability.
The following advisory data is extracted from:
https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_6268.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-rt security update
Advisory ID: RHSA-2024:6268-03
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2024:6268
Issue date: 2024-09-04
Revision: 03
CVE Names: CVE-2024-26946
====================================================================
Summary:
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.
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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
kernel: kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address (CVE-2024-26946)
kernel: netfilter: bridge: replace physindev with physinif in nf_bridge_info (CVE-2024-35839)
kernel: bpf, sockmap: Prevent lock inversion deadlock in map delete elem (CVE-2024-35895)
kernel: x86/coco: Require seeding RNG with RDRAND on CoCo systems (CVE-2024-35875)
kernel: gfs2: Fix potential glock use-after-free on unmount (CVE-2024-38570)
kernel: bnxt_re: avoid shift undefined behavior in bnxt_qplib_alloc_init_hwq (CVE-2024-38540)
kernel: ionic: fix use after netif_napi_del() (CVE-2024-39502)
kernel: mm/huge_memory: don’t unpoison huge_zero_folio (CVE-2024-40914)
kernel: dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list (CVE-2024-40956)
kernel: scsi: qedi: Fix crash while reading debugfs attribute (CVE-2024-40978)
kernel: tipc: force a dst refcount before doing decryption (CVE-2024-40983)
kernel: ppp: reject claimed-as-LCP but actually malformed packets (CVE-2024-41044)
kernel: Revert “mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again” (CVE-2024-42102)
kernel: mm: avoid overflows in dirty throttling logic (CVE-2024-42131)
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-2024-26946
References:
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2278206
https://bugzilla.redhat.com/show_bug.cgi?id=2281284
https://bugzilla.redhat.com/show_bug.cgi?id=2281677
https://bugzilla.redhat.com/show_bug.cgi?id=2281727
https://bugzilla.redhat.com/show_bug.cgi?id=2293423
https://bugzilla.redhat.com/show_bug.cgi?id=2293459
https://bugzilla.redhat.com/show_bug.cgi?id=2297474
https://bugzilla.redhat.com/show_bug.cgi?id=2297498
https://bugzilla.redhat.com/show_bug.cgi?id=2297540
https://bugzilla.redhat.com/show_bug.cgi?id=2297562
https://bugzilla.redhat.com/show_bug.cgi?id=2297567
https://bugzilla.redhat.com/show_bug.cgi?id=2300414
https://bugzilla.redhat.com/show_bug.cgi?id=2301465
https://bugzilla.redhat.com/show_bug.cgi?id=2301496
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