Security update for libyang SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2022:2922-1 Final 1 1 2022-08-26T14:20:12Z current 2022-08-26T14:20:12Z 2022-08-26T14:20:12Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for libyang This update for libyang fixes the following issues: - CVE-2021-28905: Fixed a reachable assertion which could be exploited by an attacker to cause a denial of service (bsc#1186377). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2022-2922,SUSE-SLE-Module-Server-Applications-15-SP3-2022-2922,SUSE-SLE-Module-Server-Applications-15-SP4-2022-2922,openSUSE-SLE-15.3-2022-2922,openSUSE-SLE-15.4-2022-2922 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2022/suse-su-20222922-1/ Link for SUSE-SU-2022:2922-1 https://lists.suse.com/pipermail/sle-security-updates/2022-August/012006.html E-Mail link for SUSE-SU-2022:2922-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1186377 SUSE Bug 1186377 https://www.suse.com/security/cve/CVE-2021-28905/ SUSE CVE CVE-2021-28905 page SUSE Linux Enterprise Module for Server Applications 15 SP3 SUSE Linux Enterprise Module for Server Applications 15 SP4 openSUSE Leap 15.3 openSUSE Leap 15.4 libyang-cpp-devel-1.0.184-150300.3.3.1 libyang-cpp1-1.0.184-150300.3.3.1 libyang-devel-1.0.184-150300.3.3.1 libyang-doc-1.0.184-150300.3.3.1 libyang-extentions-1.0.184-150300.3.3.1 libyang1-1.0.184-150300.3.3.1 python3-yang-1.0.184-150300.3.3.1 yang-tools-1.0.184-150300.3.3.1 libyang-extentions-1.0.184-150300.3.3.1 as a component of SUSE Linux Enterprise Module for Server Applications 15 SP3 libyang1-1.0.184-150300.3.3.1 as a component of SUSE Linux Enterprise Module for Server Applications 15 SP3 libyang-extentions-1.0.184-150300.3.3.1 as a component of SUSE Linux Enterprise Module for Server Applications 15 SP4 libyang1-1.0.184-150300.3.3.1 as a component of SUSE Linux Enterprise Module for Server Applications 15 SP4 libyang-cpp-devel-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.3 libyang-cpp1-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.3 libyang-devel-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.3 libyang-doc-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.3 libyang-extentions-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.3 libyang1-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.3 python3-yang-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.3 yang-tools-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.3 libyang-cpp-devel-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.4 libyang-cpp1-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.4 libyang-devel-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.4 libyang-doc-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.4 libyang-extentions-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.4 libyang1-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.4 python3-yang-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.4 yang-tools-1.0.184-150300.3.3.1 as a component of openSUSE Leap 15.4 In function lys_node_free() in libyang <= v1.0.225, it asserts that the value of node->module can't be NULL. But in some cases, node->module can be null, which triggers a reachable assertion (CWE-617). CVE-2021-28905 SUSE Linux Enterprise Module for Server Applications 15 SP3:libyang-extentions-1.0.184-150300.3.3.1 SUSE Linux Enterprise Module for Server Applications 15 SP3:libyang1-1.0.184-150300.3.3.1 SUSE Linux Enterprise Module for Server Applications 15 SP4:libyang-extentions-1.0.184-150300.3.3.1 SUSE Linux Enterprise Module for Server Applications 15 SP4:libyang1-1.0.184-150300.3.3.1 openSUSE Leap 15.3:libyang-cpp-devel-1.0.184-150300.3.3.1 openSUSE Leap 15.3:libyang-cpp1-1.0.184-150300.3.3.1 openSUSE Leap 15.3:libyang-devel-1.0.184-150300.3.3.1 openSUSE Leap 15.3:libyang-doc-1.0.184-150300.3.3.1 openSUSE Leap 15.3:libyang-extentions-1.0.184-150300.3.3.1 openSUSE Leap 15.3:libyang1-1.0.184-150300.3.3.1 openSUSE Leap 15.3:python3-yang-1.0.184-150300.3.3.1 openSUSE Leap 15.3:yang-tools-1.0.184-150300.3.3.1 openSUSE Leap 15.4:libyang-cpp-devel-1.0.184-150300.3.3.1 openSUSE Leap 15.4:libyang-cpp1-1.0.184-150300.3.3.1 openSUSE Leap 15.4:libyang-devel-1.0.184-150300.3.3.1 openSUSE Leap 15.4:libyang-doc-1.0.184-150300.3.3.1 openSUSE Leap 15.4:libyang-extentions-1.0.184-150300.3.3.1 openSUSE Leap 15.4:libyang1-1.0.184-150300.3.3.1 openSUSE Leap 15.4:python3-yang-1.0.184-150300.3.3.1 openSUSE Leap 15.4:yang-tools-1.0.184-150300.3.3.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2022/suse-su-20222922-1/ https://www.suse.com/security/cve/CVE-2021-28905.html CVE-2021-28905 https://bugzilla.suse.com/1186377 SUSE Bug 1186377