RHSA-2024:9333 - Security Advisory

Topic

An update for openssl and openssl-fips-provider is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.

Security Fix(es):

• openssl: Unbounded memory growth with session handling in TLSv1.3 (CVE-2024-2511)
• openssl: Excessive time spent checking DSA keys and parameters (CVE-2024-4603)
• openssl: Use After Free with SSL_free_buffers (CVE-2024-4741)
• openssl: SSL_select_next_proto buffer overread (CVE-2024-5535)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.5 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64
• Red Hat Enterprise Linux Server - AUS 9.6 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le
• Red Hat Enterprise Linux for ARM 64 9 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x

Fixes

• BZ - 2274020 - CVE-2024-2511 openssl: Unbounded memory growth with session handling in TLSv1.3
• BZ - 2281029 - CVE-2024-4603 openssl: Excessive time spent checking DSA keys and parameters
• BZ - 2283757 - CVE-2024-4741 openssl: Use After Free with SSL_free_buffers
• BZ - 2294581 - CVE-2024-5535 openssl: SSL_select_next_proto buffer overread
• RHEL-26271 - Rebasing OpenSSL to 3.2.x
• RHEL-32123 - Debug sources for OpenSSL FIPS provider
• RHEL-38514 - Fix Minerva for OpenSSL
• RHEL-40723 - [NetApp RHEL 9.5 Bug]: NVMe/TCP TLS connection fails due to handshake failure
• RHEL-58662 - fips-provider after rename fails to obsolete old versions

CVEs

• CVE-2024-2511
• CVE-2024-4603
• CVE-2024-4741
• CVE-2024-5535

References

• https://access.redhat.com/security/updates/classification/#low
• https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.5_release_notes/index