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Medium ELSA-2024-4749 3 CVEs

Moderate: edk2 security update (Oracle Linux 9)

Published Jul 24, 2024 · Updated Jul 24, 2024

Summary

[20231122-6.0.1.el9_4.2]
- Replace upstream references [Orabug:36569119]

[20231122-6.el9_4.2]
- edk2-NetworkPkg-SECURITY-PATCH-CVE-2023-45237.patch [RHEL-40270 RHEL-40272]
- edk2-NetworkPkg-TcpDxe-SECURITY-PATCH-CVE-2023-45236.patch [RHEL-40270 RHEL-40272]
- edk2-NetworkPkg-TcpDxe-Fixed-system-stuck-on-PXE-boot-flo.patch [RHEL-40270 RHEL-40272]
- edk2-MdePkg-BaseRngLib-Add-a-smoketest-for-RDRAND-and-che.patch [RHEL-40270 RHEL-40272]
- edk2-SecurityPkg-RngDxe-add-rng-test.patch [RHEL-40270 RHEL-40272]
- edk2-OvmfPkg-wire-up-RngDxe.patch [RHEL-40270 RHEL-40272]
- edk2-CryptoPkg-Test-call-ProcessLibraryConstructorList.patch [RHEL-40270 RHEL-40272]
- edk2-MdePkg-X86UnitTestHost-set-rdrand-cpuid-bit.patch [RHEL-40270 RHEL-40272]
- Resolves: RHEL-40270
(CVE-2023-45237 edk2: Use of a Weak PseudoRandom Number Generator [rhel-9.4.z])
- Resolves: RHEL-40272
(CVE-2023-45236 edk2: Predictable TCP Initial Sequence Numbers [rhel-9.4.z])

[20231122-6.el9_4.1]
- edk2-EmbeddedPkg-Hob-Integer-Overflow-in-CreateHob.patch [RHEL-30156]
- edk2-StandaloneMmPkg-Hob-Integer-Overflow-in-CreateHob.patch [RHEL-30156]
- Resolves: RHEL-30156
(CVE-2022-36765 edk2: integer overflow in CreateHob() could lead to HOB OOB R/W [rhel-9.4.z])

Fixed packages 4

ReleasePackageFixed in
Oracle Linux · 9 edk2-aarch64 0:20231122-6.0.1.el9_4.2
Oracle Linux · 9 edk2-ovmf 0:20231122-6.0.1.el9_4.2
Oracle Linux · 9 edk2-tools 0:20231122-6.0.1.el9_4.2
Oracle Linux · 9 edk2-tools-doc 0:20231122-6.0.1.el9_4.2

Vulnerabilities 3

  • High 7.0

    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…

  • Medium 5.8

    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.

  • Medium 5.3

    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.