{"id":"UBUNTU-CVE-2025-8941","details":"A flaw was found in linux-pam. The pam_namespace module may improperly handle user-controlled paths, allowing local users to exploit symlink attacks and race conditions to elevate their privileges to root. This CVE provides a \"complete\" fix for CVE-2025-6020.","modified":"2026-04-02T21:07:21.336710Z","published":"2025-08-13T15:15:00Z","withdrawn":"2026-04-02T05:21:33Z","upstream":["CVE-2025-8941"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-8941"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-8941"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-8941"}],"affected":[{"package":{"name":"pam","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/pam@1.1.8-1ubuntu2.2+esm4?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.3-8ubuntu3","1.1.3-10ubuntu1","1.1.3-11ubuntu1","1.1.8-1ubuntu1","1.1.8-1ubuntu2","1.1.8-1ubuntu2.1","1.1.8-1ubuntu2.2","1.1.8-1ubuntu2.2+esm1","1.1.8-1ubuntu2.2+esm3","1.1.8-1ubuntu2.2+esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"libpam-cracklib","binary_version":"1.1.8-1ubuntu2.2+esm4"},{"binary_name":"libpam-modules","binary_version":"1.1.8-1ubuntu2.2+esm4"},{"binary_name":"libpam-modules-bin","binary_version":"1.1.8-1ubuntu2.2+esm4"},{"binary_name":"libpam-runtime","binary_version":"1.1.8-1ubuntu2.2+esm4"},{"binary_name":"libpam0g","binary_version":"1.1.8-1ubuntu2.2+esm4"},{"binary_name":"libpam0g-dev","binary_version":"1.1.8-1ubuntu2.2+esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8941.json"}},{"package":{"name":"pam","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pam@1.1.8-3.2ubuntu2.3+esm5?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.8-3.1ubuntu3","1.1.8-3.2ubuntu2","1.1.8-3.2ubuntu2.1","1.1.8-3.2ubuntu2.3","1.1.8-3.2ubuntu2.3+esm1","1.1.8-3.2ubuntu2.3+esm2","1.1.8-3.2ubuntu2.3+esm4","1.1.8-3.2ubuntu2.3+esm5"],"ecosystem_specific":{"binaries":[{"binary_name":"libpam-cracklib","binary_version":"1.1.8-3.2ubuntu2.3+esm5"},{"binary_name":"libpam-modules","binary_version":"1.1.8-3.2ubuntu2.3+esm5"},{"binary_name":"libpam-modules-bin","binary_version":"1.1.8-3.2ubuntu2.3+esm5"},{"binary_name":"libpam-runtime","binary_version":"1.1.8-3.2ubuntu2.3+esm5"},{"binary_name":"libpam0g","binary_version":"1.1.8-3.2ubuntu2.3+esm5"},{"binary_name":"libpam0g-dev","binary_version":"1.1.8-3.2ubuntu2.3+esm5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8941.json"}},{"package":{"name":"pam","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/pam@1.1.8-3.6ubuntu2.18.04.6+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.8-3.2ubuntu3","1.1.8-3.2ubuntu4","1.1.8-3.6ubuntu1","1.1.8-3.6ubuntu2","1.1.8-3.6ubuntu2.18.04.1","1.1.8-3.6ubuntu2.18.04.2","1.1.8-3.6ubuntu2.18.04.3","1.1.8-3.6ubuntu2.18.04.4","1.1.8-3.6ubuntu2.18.04.6","1.1.8-3.6ubuntu2.18.04.6+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libpam-cracklib","binary_version":"1.1.8-3.6ubuntu2.18.04.6+esm1"},{"binary_name":"libpam-modules","binary_version":"1.1.8-3.6ubuntu2.18.04.6+esm1"},{"binary_name":"libpam-modules-bin","binary_version":"1.1.8-3.6ubuntu2.18.04.6+esm1"},{"binary_name":"libpam-runtime","binary_version":"1.1.8-3.6ubuntu2.18.04.6+esm1"},{"binary_name":"libpam0g","binary_version":"1.1.8-3.6ubuntu2.18.04.6+esm1"},{"binary_name":"libpam0g-dev","binary_version":"1.1.8-3.6ubuntu2.18.04.6+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8941.json"}},{"package":{"name":"pam","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pam@1.3.1-5ubuntu4.7?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.1-5ubuntu1","1.3.1-5ubuntu3","1.3.1-5ubuntu4","1.3.1-5ubuntu4.1","1.3.1-5ubuntu4.2","1.3.1-5ubuntu4.3","1.3.1-5ubuntu4.4","1.3.1-5ubuntu4.6","1.3.1-5ubuntu4.7"],"ecosystem_specific":{"binaries":[{"binary_name":"libpam-cracklib","binary_version":"1.3.1-5ubuntu4.7"},{"binary_name":"libpam-modules","binary_version":"1.3.1-5ubuntu4.7"},{"binary_name":"libpam-modules-bin","binary_version":"1.3.1-5ubuntu4.7"},{"binary_name":"libpam-runtime","binary_version":"1.3.1-5ubuntu4.7"},{"binary_name":"libpam0g","binary_version":"1.3.1-5ubuntu4.7"},{"binary_name":"libpam0g-dev","binary_version":"1.3.1-5ubuntu4.7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8941.json"}},{"package":{"name":"pam","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/pam@1.4.0-11ubuntu2.6?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.1-5ubuntu11","1.4.0-10ubuntu1","1.4.0-10ubuntu2","1.4.0-11ubuntu1","1.4.0-11ubuntu2","1.4.0-11ubuntu2.1","1.4.0-11ubuntu2.3","1.4.0-11ubuntu2.4","1.4.0-11ubuntu2.5","1.4.0-11ubuntu2.6"],"ecosystem_specific":{"binaries":[{"binary_name"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