{"id":"CVE-2023-53751","summary":"cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix potential use-after-free bugs in TCP_Server_Info::hostname\n\nTCP_Server_Info::hostname may be updated once or many times during\nreconnect, so protect its access outside reconnect path as well and\nthen prevent any potential use-after-free bugs.","modified":"2026-03-20T12:33:19.613925Z","published":"2025-12-08T01:19:11.160Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0317-1","SUSE-SU-2026:0411-1","SUSE-SU-2026:0473-1","SUSE-SU-2026:0617-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53751.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0b08c4c499200be67d54c439d56e5ea866869945"},{"type":"WEB","url":"https://git.kernel.org/stable/c/64d62ac6d6514cba1305bd08e271ec1843bdd612"},{"type":"WEB","url":"https://git.kernel.org/stable/c/90c49fce1c43e1cc152695e20363ff5087897c09"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c511954bf142fe1995aec3c739a9f1a76990283a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53751.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53751"},{"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":"93d5cb517db39e8af8d1292f9e785e4983b7f708"},{"fixed":"64d62ac6d6514cba1305bd08e271ec1843bdd612"},{"fixed":"c511954bf142fe1995aec3c739a9f1a76990283a"},{"fixed":"0b08c4c499200be67d54c439d56e5ea866869945"},{"fixed":"90c49fce1c43e1cc152695e20363ff5087897c09"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53751.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"6.1.28"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.15"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"fixed":"6.3.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53751.json"}}],"schema_version":"1.7.5"}