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OpenAdvisories
High RHSA-2023:2932 4 CVEs

Red Hat Security Advisory: edk2 security update

Published Aug 4, 2025 · Updated Oct 15, 2026

Fixed packages 3

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::appstream edk2 0:20220126gitbb1bba3d77-4.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream edk2-aarch64 0:20220126gitbb1bba3d77-4.el8
Red Hat · RHEL 8 enterprise_linux:8::appstream edk2-ovmf 0:20220126gitbb1bba3d77-4.el8

Vulnerabilities 4

  • High 7.5
    CVE-2022-4450 EPSS 29%

    Double free after calling PEM_read_bio_ex

    The function PEM_read_bio_ex() reads a PEM file from a BIO and parses and decodes the "name" (e.g. "CERTIFICATE"), any header data and the payload data. If the function succeeds then the "name_out", "header" and "data" arguments are populated with pointers to…

  • High 7.5

    Use-after-free following BIO_new_NDEF

    The public API function BIO_new_NDEF is a helper function used for streaming ASN.1 data via a BIO. It is primarily used internally to OpenSSL to support the SMIME, CMS and PKCS7 streaming capabilities, but may also be called directly by end user applications.…

  • High 7.4
    CVE-2023-0286 Public exploit EPSS 68%

    X.400 address type confusion in X.509 GeneralName

    There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1_STRING but the public structure definition for GENERAL_NAME incorrectly specified the type of the x400Address fiel…

  • Medium 5.9
    CVE-2022-4304 Public exploit EPSS 24%

    Timing Oracle in RSA Decryption

    A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. To achieve a successful decryption an attacker would have to be able to send a …

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • article
    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.8_release_notes/index
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2164440
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2164487
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2164492
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2164494
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_2932.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-4304
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-4304
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-4304
  • article
    https://www.openssl.org/news/secadv/20230207.txt
  • report
    https://access.redhat.com/security/cve/CVE-2022-4450
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-4450
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-4450
  • report
    https://access.redhat.com/security/cve/CVE-2023-0215
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-0215
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-0215
  • report
    https://access.redhat.com/security/cve/CVE-2023-0286
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-0286
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-0286