{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for openssh8.4","title":"Title of the patch"},{"category":"description","text":"This update for openssh8.4 fixes the following issues:\n\n- CVE-2025-26465: Fixed a MitM attack against OpenSSH's VerifyHostKeyDNS-enabled client (bsc#1237040).\n\nOther bugfixes:\n\n- Fix usage of local accelerator cards via openssl-ibmca (bsc#1216474, bsc#1218871).\n- Add patches from upstream to change the default value of UpdateHostKeys to Yes (unless VerifyHostKeyDNS is enabled) (bsc#1222831).\n- Fix hostbased ssh login failing occasionally with 'signature unverified: incorrect signature' by fixing a typo in patch (bsc#1221123).\n- For now we don't ship the ssh-keycat command, but we need the patch for the other SELinux infrastructure (bsc#1214788).\n- Attempts to mitigate instances of secrets lingering in memory after a session exits (bsc#1213004, bsc#1213008, bsc#1186673).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2025-744,SUSE-SLE-SERVER-12-SP5-LTSS-2025-744,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-744","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_0744-1.json"},{"category":"self","summary":"URL for SUSE-SU-2025:0744-1","url":"https://www.suse.com/support/update/announcement/2025/suse-su-20250744-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2025:0744-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2025-February/020457.html"},{"category":"self","summary":"SUSE Bug 1186673","url":"https://bugzilla.suse.com/1186673"},{"category":"self","summary":"SUSE Bug 1213004","url":"https://bugzilla.suse.com/1213004"},{"category":"self","summary":"SUSE Bug 1213008","url":"https://bugzilla.suse.com/1213008"},{"category":"self","summary":"SUSE Bug 1214788","url":"https://bugzilla.suse.com/1214788"},{"category":"self","summary":"SUSE Bug 1216474","url":"https://bugzilla.suse.com/1216474"},{"category":"self","summary":"SUSE Bug 1218871","url":"https://bugzilla.suse.com/1218871"},{"category":"self","summary":"SUSE Bug 1221123","url":"https://bugzilla.suse.com/1221123"},{"category":"self","summary":"SUSE Bug 1222831","url":"https://bugzilla.suse.com/1222831"},{"category":"self","summary":"SUSE Bug 1237040","url":"https://bugzilla.suse.com/1237040"},{"category":"self","summary":"SUSE CVE CVE-2025-26465 page","url":"https://www.suse.com/security/cve/CVE-2025-26465/"}],"title":"Security update for openssh8.4","tracking":{"current_release_date":"2025-02-28T14:39:36Z","generator":{"date":"2025-02-28T14:39:36Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2025:0744-1","initial_release_date":"2025-02-28T14:39:36Z","revision_history":[{"date":"2025-02-28T14:39:36Z","number":"1","summary":"Current 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A machine-in-the-middle attack can be performed by a malicious machine impersonating a legit server. This issue occurs due to how OpenSSH mishandles error codes in specific conditions when verifying the host key. For an attack to be considered successful, the attacker needs to manage to exhaust the client's memory resource first, turning the attack complexity high.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 12 SP5-LTSS:openssh8.4-8.4p1-8.16.1.aarch64","SUSE Linux Enterprise Server 12 SP5-LTSS:openssh8.4-8.4p1-8.16.1.ppc64le","SUSE Linux Enterprise Server 12 SP5-LTSS:openssh8.4-8.4p1-8.16.1.s390x","SUSE Linux Enterprise Server 12 SP5-LTSS:openssh8.4-8.4p1-8.16.1.x86_64","SUSE Linux Enterprise Server 12 SP5-LTSS:openssh8.4-clients-8.4p1-8.16.1.aarch64","SUSE Linux Enterprise Server 12 SP5-LTSS:openssh8.4-clients-8.4p1-8.16.1.ppc64le","SUSE Linux Enterprise Server 12 SP5-LTSS:openssh8.4-clients-8.4p1-8.16.1.s390x","SUSE Linux Enterprise Server 12 SP5-LTSS:openssh8.4-clients-8.4p1-8.16.1.x86_64","SUSE Linux Enterprise Server 12 SP5-LTSS:openssh8.4-common-8.4p1-8.16.1.aarch64","SUSE Linux Enterprise Server 12 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