QID 242489

Date Published: 2023-11-22

QID 242489: Red Hat Update for kpatch-patch (RHSA-2023:7411)

This is a kernel live patch module which is automatically loaded by the rpm post-install script to modify the code of a running kernel...Security Fix(es):

    kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (cve-2023-3776).
    Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (cve-2023-3812).
    Kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (cve-2023-4004).
    Kernel: netfilter: nf_tables_newrule when adding a rule with nfta_rule_chain_id leads to use-after-free (cve-2023-4147).
    Kernel: netfilter: potential slab-out-of-bound access due to integer underflow (cve-2023-42753).
Affected Products:
    Red Hat enterprise linux for x86_64 - extended update support 9.0 x86_64.
    Red hat enterprise linux for power, little endian - extended update support 9.0 ppc64le.
    Red hat enterprise linux server for power le - update services for sap solutions 9.0 ppc64le.
    Red hat enterprise linux for x86_64 - update services for sap solutions 9.0 x86_64.
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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-2023:7411 for updates and patch information.
    Vendor References

    CVEs related to QID 242489

    CVE-2023-42753 | CVE-2023-3776 | CVE-2023-3812 | CVE-2023-4004 | CVE-2023-4147 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:7411 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:7411
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