{"id":"CVE-2023-54076","summary":"smb: client: fix missed ses refcounting","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix missed ses refcounting\n\nUse new cifs_smb_ses_inc_refcount() helper to get an active reference\nof @ses and @ses-\u003edfs_root_ses (if set).  This will prevent\n@ses-\u003edfs_root_ses of being put in the next call to cifs_put_smb_ses()\nand thus potentially causing an use-after-free bug.","modified":"2026-03-31T17:29:55.582184920Z","published":"2025-12-24T12:23:18.330Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0278-1","SUSE-SU-2026:0281-1","SUSE-SU-2026:0293-1","SUSE-SU-2026:0315-1","SUSE-SU-2026:0317-1","SUSE-SU-2026:0411-1","SUSE-SU-2026:0617-1","SUSE-SU-2026:20477-1","SUSE-SU-2026:20498-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54076.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/bf99f6be2d20146942bce6f9e90a0ceef12cbc1e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eb382196e6f6e05cfafdab797840e5a96c6e7bf0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54076.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54076"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8e3554150d6c80a84b3cb046615d1a0e943811dc"},{"fixed":"eb382196e6f6e05cfafdab797840e5a96c6e7bf0"},{"fixed":"bf99f6be2d20146942bce6f9e90a0ceef12cbc1e"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"f30d226bcc9f0e2d97b4a6e94c43a28148fbeab6"},{"last_affected":"c082c3be0f96e759ff2e361d929832fda0b93851"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54076.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.0"},{"fixed":"6.4.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54076.json"}}],"schema_version":"1.7.5"}