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OpenAdvisories
High RHSA-2024:4749 3 CVEs

Red Hat Security Advisory: edk2 security update

Published Sep 16, 2024 · Updated Jun 26, 2026

Ecosystem: Red Hat

Fixed packages 9

ReleasePackageFixed in
Red Hat · RHEL 9 enterprise_linux:9::appstream edk2 0:20231122-6.el9_4.2
Red Hat · RHEL 9 enterprise_linux:9::appstream edk2-aarch64 0:20231122-6.el9_4.2
Red Hat · RHEL 9 enterprise_linux:9::appstream edk2-ovmf 0:20231122-6.el9_4.2
Red Hat · RHEL 9 enterprise_linux:9::crb edk2-aarch64 0:20231122-6.el9_4.2
Red Hat · RHEL 9 enterprise_linux:9::crb edk2-debugsource 0:20231122-6.el9_4.2
Red Hat · RHEL 9 enterprise_linux:9::crb edk2-ovmf 0:20231122-6.el9_4.2
Red Hat · RHEL 9 enterprise_linux:9::crb edk2-tools 0:20231122-6.el9_4.2
Red Hat · RHEL 9 enterprise_linux:9::crb edk2-tools-debuginfo 0:20231122-6.el9_4.2
Red Hat · RHEL 9 enterprise_linux:9::crb edk2-tools-doc 0:20231122-6.el9_4.2

Vulnerabilities 3

  • High 7.0
    CVE-2022-36765

    Integer Overflow in CreateHob

    EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, a…

    TianoCore EDK2 edk2 edk2 Debian Ubuntu Azure Linux
  • Medium 5.8
    CVE-2023-45236

    Predictable TCP ISNs in EDK II Network Package

    EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

    TianoCore EDK2 edk2 edk2 Debian Ubuntu Azure Linux
  • Medium 5.3
    CVE-2023-45237

    Use of a Weak PseudoRandom Number Generator in EDK II Network Package

    EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

    TianoCore EDK2 edk2 edk2 Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2257584
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2258703
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2258706
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_4749.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-36765
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-36765
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-36765
  • article
    https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx
  • report
    https://access.redhat.com/security/cve/CVE-2023-45236
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-45236
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-45236
  • article
    https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html
  • advisory
    https://github.com/advisories/GHSA-fqc4-ffq5-4r98
  • report
    https://access.redhat.com/security/cve/CVE-2023-45237
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-45237
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-45237
  • advisory
    https://github.com/advisories/GHSA-fxqf-p2p3-gxvr