-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: openssh security update Advisory ID: RHSA-2023:2645-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:2645 Issue date: 2023-05-09 CVE Names: CVE-2023-25136 ==================================================================== 1. Summary: An update for openssh is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64 3. Description: OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. Security Fix(es): * openssh: the functions order_hostkeyalgs() and list_hostkey_types() leads to double-free vulnerability (CVE-2023-25136) 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. 4. 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 After installing this update, the OpenSSH server daemon (sshd) will be restarted automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 2167636 - CVE-2023-25136 openssh: the functions order_hostkeyalgs() and list_hostkey_types() leads to double-free vulnerability 6. Package List: Red Hat Enterprise Linux AppStream (v. 9): aarch64: openssh-askpass-8.7p1-29.el9_2.aarch64.rpm openssh-askpass-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-clients-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-debugsource-8.7p1-29.el9_2.aarch64.rpm openssh-keycat-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-server-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-sk-dummy-debuginfo-8.7p1-29.el9_2.aarch64.rpm pam_ssh_agent_auth-0.10.4-5.29.el9_2.aarch64.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.29.el9_2.aarch64.rpm ppc64le: openssh-askpass-8.7p1-29.el9_2.ppc64le.rpm openssh-askpass-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-clients-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-debugsource-8.7p1-29.el9_2.ppc64le.rpm openssh-keycat-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-server-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-sk-dummy-debuginfo-8.7p1-29.el9_2.ppc64le.rpm pam_ssh_agent_auth-0.10.4-5.29.el9_2.ppc64le.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.29.el9_2.ppc64le.rpm s390x: openssh-askpass-8.7p1-29.el9_2.s390x.rpm openssh-askpass-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-clients-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-debugsource-8.7p1-29.el9_2.s390x.rpm openssh-keycat-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-server-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-sk-dummy-debuginfo-8.7p1-29.el9_2.s390x.rpm pam_ssh_agent_auth-0.10.4-5.29.el9_2.s390x.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.29.el9_2.s390x.rpm x86_64: openssh-askpass-8.7p1-29.el9_2.x86_64.rpm openssh-askpass-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-clients-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-debugsource-8.7p1-29.el9_2.x86_64.rpm openssh-keycat-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-server-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-sk-dummy-debuginfo-8.7p1-29.el9_2.x86_64.rpm pam_ssh_agent_auth-0.10.4-5.29.el9_2.x86_64.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.29.el9_2.x86_64.rpm Red Hat Enterprise Linux BaseOS (v. 9): Source: openssh-8.7p1-29.el9_2.src.rpm aarch64: openssh-8.7p1-29.el9_2.aarch64.rpm openssh-askpass-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-clients-8.7p1-29.el9_2.aarch64.rpm openssh-clients-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-debugsource-8.7p1-29.el9_2.aarch64.rpm openssh-keycat-8.7p1-29.el9_2.aarch64.rpm openssh-keycat-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-server-8.7p1-29.el9_2.aarch64.rpm openssh-server-debuginfo-8.7p1-29.el9_2.aarch64.rpm openssh-sk-dummy-debuginfo-8.7p1-29.el9_2.aarch64.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.29.el9_2.aarch64.rpm ppc64le: openssh-8.7p1-29.el9_2.ppc64le.rpm openssh-askpass-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-clients-8.7p1-29.el9_2.ppc64le.rpm openssh-clients-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-debugsource-8.7p1-29.el9_2.ppc64le.rpm openssh-keycat-8.7p1-29.el9_2.ppc64le.rpm openssh-keycat-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-server-8.7p1-29.el9_2.ppc64le.rpm openssh-server-debuginfo-8.7p1-29.el9_2.ppc64le.rpm openssh-sk-dummy-debuginfo-8.7p1-29.el9_2.ppc64le.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.29.el9_2.ppc64le.rpm s390x: openssh-8.7p1-29.el9_2.s390x.rpm openssh-askpass-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-clients-8.7p1-29.el9_2.s390x.rpm openssh-clients-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-debugsource-8.7p1-29.el9_2.s390x.rpm openssh-keycat-8.7p1-29.el9_2.s390x.rpm openssh-keycat-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-server-8.7p1-29.el9_2.s390x.rpm openssh-server-debuginfo-8.7p1-29.el9_2.s390x.rpm openssh-sk-dummy-debuginfo-8.7p1-29.el9_2.s390x.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.29.el9_2.s390x.rpm x86_64: openssh-8.7p1-29.el9_2.x86_64.rpm openssh-askpass-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-clients-8.7p1-29.el9_2.x86_64.rpm openssh-clients-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-debugsource-8.7p1-29.el9_2.x86_64.rpm openssh-keycat-8.7p1-29.el9_2.x86_64.rpm openssh-keycat-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-server-8.7p1-29.el9_2.x86_64.rpm openssh-server-debuginfo-8.7p1-29.el9_2.x86_64.rpm openssh-sk-dummy-debuginfo-8.7p1-29.el9_2.x86_64.rpm pam_ssh_agent_auth-debuginfo-0.10.4-5.29.el9_2.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2023-25136 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBZFo2F9zjgjWX9erEAQjhKQ//amxdZ/AY06dKuaVpNlFPjLJEjVW2VOXZ WWqEunU7ZYpUxMkIbralcnYsPCuhvWEClj89nwMyQKQUOJeej5H+K+PY1MNkycyX HIhpJIw3VBkWlgqMlV/SoGSfnaWm/D1aRmoC2ipVt9uVdG+9wXAL+flrdX9k/fza /0qE6awe46S4f6DE1+RGzd/iCPClhtHqbOvcGF0yE7kawUHPyYJ3pzoeVccu8eIz AeZqP6Ft7VPiw17bztJkNo2mRzcxm4aSdrQGSIaNn0Ahxw+VX+xyzrxSPQPW706m vkbNRw2hOIvPK8znmBXIQJU9AJmUbZJ6h+cP4gyTz4hUSprPZoxUqcEUqcNVVbHZ dtHAO9bRKVWOsCHKiF6M50/hij1vm+91/OoMlnxGZ2A04xuj2VkfgXeuh6ogdU4v JlgvAlSNhPNKbgaFX8RQWAKmPOIuoogGs9+oTnj5huKWFuUJe8QiENXoYv6GM0kr aCzkYrLsGKtv3UfaP+t5YtVoiphGq4iqoHAOPn6onStOT7bqlcKM1AgrJQ0JdqbX oZrlwrsgs90MjEk3hsPlmS9hI0JiJQxu0mldS+miv9arfGoS4PQ16wJgyhWTMXym yFPDrJpAd3qiSobiWf+EI6Bxc+5X5Na4valiN9+nfc6GLPsfa0poQQoQM8qSIKmM SgNOtblhT/Q=EWhU -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce