QID 242617

Date Published: 2023-12-14

QID 242617: Red Hat Update for kernel (RHSA-2023:7398)

The kernel packages contain the linux kernel, the core of any linux operating system...Security Fix(es):

    kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (cve-2023-3609).
    Kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (cve-2023-3776).
    Kernel: use-after-free due to race condition occurring in dvb_register_device() (cve-2022-45884).
    Kernel: use-after-free due to race condition occurring in dvb_net.c (cve-2022-45886).
    Kernel: use-after-free due to race condition occurring in dvb_ca_en50221.c (cve-2022-45919).
    Kernel: null pointer dereference problem in sctp_sched_dequeue_common (cve-2023-2177).
Affected Products:
    Red Hat enterprise linux for x86_64 - extended update support 8.6 x86_64.
    Red hat enterprise linux server - aus 8.6 x86_64.
    Red hat enterprise linux for ibm z systems - extended update support 8.6 s390x.
    Red hat enterprise linux for power, little endian - extended update support 8.6 ppc64le.
    Red hat virtualization host 4 for rhel 8 x86_64.
    Red hat enterprise linux server - tus 8.6 x86_64.
    Red hat enterprise linux for arm 64 - extended update support 8.6 aarch64.
    Red hat enterprise linux server for power le - update services for sap solutions 8.6 ppc64le.
    Red hat enterprise linux for x86_64 - update services for sap solutions 8.6 x86_64.
    Red hat codeready linux builder for x86_64 - extended update support 8.6 x86_64.
    Red hat codeready linux builder for power, little endian - extended update support 8.6 ppc64le.
    Red hat codeready linux builder for arm 64 - extended update support 8.6 aarch64.
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Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Refer to Red Hat security advisory RHSA-2023:7398 for updates and patch information.
    Vendor References
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:7398 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:7398