{"id":"CVE-2023-53794","summary":"cifs: fix session state check in reconnect to avoid use-after-free issue","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix session state check in reconnect to avoid use-after-free issue\n\nDon't collect exiting session in smb2_reconnect_server(), because it\nwill be released soon.\n\nNote that the exiting session will stay in server-\u003esmb_ses_list until\nit complete the cifs_free_ipc() and logoff() and then delete itself\nfrom the list.","modified":"2026-05-18T05:56:53.874174613Z","published":"2025-12-09T00:00:51.061Z","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-2026:0928-1","SUSE-SU-2026:0961-1","SUSE-SU-2026:1078-1","SUSE-SU-2026:1221-1","SUSE-SU-2026:1285-1","SUSE-SU-2026:1287-1","SUSE-SU-2026:1288-1","SUSE-SU-2026:1293-1","SUSE-SU-2026:1294-1","SUSE-SU-2026:1297-1","SUSE-SU-2026:1298-1","SUSE-SU-2026:1304-1","SUSE-SU-2026:1305-1","SUSE-SU-2026:20477-1","SUSE-SU-2026:20498-1","SUSE-SU-2026:20845-1","SUSE-SU-2026:20876-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53794.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/759ffc164d95a32c09528766d74d9b4fb054e8f4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7e4f5c3f01fb0e51ca438e43262d858daf9a0a76"},{"type":"WEB","url":"https://git.kernel.org/stable/c/99f280700b4cc02d5f141b8d15f8e9fad0418f65"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53794.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53794"},{"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":"4fcd1813e6404dd4420c7d12fb483f9320f0bf93"},{"fixed":"7e4f5c3f01fb0e51ca438e43262d858daf9a0a76"},{"fixed":"759ffc164d95a32c09528766d74d9b4fb054e8f4"},{"fixed":"99f280700b4cc02d5f141b8d15f8e9fad0418f65"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"655e0c067f0e02ece03fd0591dabe3db2ae27552"},{"last_affected":"875cc09c0767a4ac06b57af383709657f98b3ea1"},{"last_affected":"599fe1409085059ba12a2c3897c853be9fa9e7cf"},{"last_affected":"2e4378ee60049b752c9dce16f62ce6fbd11b379a"},{"last_affected":"59b520454b323ec43b2ae757217332cea33091e0"},{"last_affected":"e20c888e2b3576e5f498c167729d274ef60b86f8"},{"last_affected":"4ce7aa4e44d88ce64ea8ae2337b8910f3670b0ba"},{"last_affected":"419fad68e4c4135ff9859e9214dd6cf954413ca1"}]}],"versions":["v3.16.36","v3.10.102","v3.14.73","v4.4.15","v4.6.4","v3.12.62","v4.4.14","v4.6.3","v3.18.36","v4.1.27","v4.6.2","v4.4.13","v3.14.72","v3.12.61","v3.18.35","v4.6","v4.1.26","v4.6-rc1","v3.16.35","v4.6.1","v4.4.12","v3.14.71","v3.10.101","v4.4.11","v3.14.70","v3.18.34","v4.1.25","v3.12.60","v4.6-rc6","v4.6-rc4","v4.6-rc7","v4.4.10","v3.14.69","v4.6-rc5","v4.5-rc4","v3.18.33","v4.1.24","v4.6-rc2","v4.4.9","v3.14.68","v4.6-rc3","v3.18.32","v4.1.23","v3.14.67","v4.4.8","v3.12.59","v4.5","v4.4.7","v3.14.66","v3.18.31","v4.1.22","v3.12.58","v3.14.65","v4.4.6","v3.18.30","v4.1.21","v3.12.57","v4.4","v4.5-rc1","v3.18.29","v4.5-rc6","v4.1.20","v4.4.5","v3.14.64","v3.10.100","v4.5-rc2","v4.5-rc7","v4.5-rc5","v4.4.4","v3.14.63","v3.10.99","v4.5-rc3","v3.12.56","v3.18.28","v4.1.19","v4.4.3","v3.14.62","v3.10.98","v3.12.55","v4.4.2","v3.14.61","v3.10.97","v3.18.27","v4.1.18","v3.10.96","v3.14.60","v4.4.1","v3.12.54","v3.18.26","v4.1.17","v4.1.16","v3.14.59","v3.10.95","v3.12.53","v4.1.15","v3.14.58","v3.10.94","v4.4-rc1","v4.4-rc2","v4.4-rc8","v3.18.25","v4.4-rc3","v4.4-rc7","v4.4-rc5","v3.12.52","v4.4-rc6","v4.4-rc4","v4.3","v4.1.14","v4.1.13","v3.14.57","v3.10.93","v3.12.51","v3.18.24","v4.3-rc1","v4.1.12","v3.14.56","v3.10.92","v4.3-rc6","v3.12.50","v4.3-rc4","v4.3-rc2","v4.3-rc7","v3.18.23","v4.3-rc5","v4.3-rc3","v4.1.11","v3.14.55","v3.10.91","v4.1.10","v3.14.54","v3.10.90","v4.2","v3.18.22","v3.12.49","v4.1.9","v3.10.89","v3.14.53","v4.1.8","v4.1.7","v3.14.52","v3.10.88","v3.12.48","v3.14.51","v3.10.87","v4.1.6","v4.2-rc2","v4.2-rc1","v4.2-rc8","v3.18.21","v4.2-rc4","v3.12.47","v4.2-rc6","v4.2-rc7","v3.18.20","v4.0-rc5","v4.1.5","v3.14.50","v3.10.86","v4.2-rc5","v4.1.4","v3.14.49","v3.10.85","v4.2-rc3","v3.12.46","v3.18.19","v3.14.48","v3.10.84","v4.1.3","v3.12.45","v4.1.2","v4.1-rc2","v4.1","v3.18.18","v3.10.83","v3.14.47","v4.1.1","v4.1-rc1","v3.14.46","v3.10.82","v3.14.45","v3.10.81","v3.18.17","v3.12.44","v3.14.44","v3.10.80","v4.1-rc8","v4.1-rc7","v4.1-rc6","v3.18.16","v3.18.15","v4.1-rc3","v4.1-rc4","v3.14.43","v3.10.79","v4.0","v4.1-rc5","v3.18.14","v3.12.43","v3.14.42","v3.10.78","v3.14.41","v3.10.77","v3.18.13","v3.14.40","v3.10.76","v3.12.42","v3.12.41","v3.10.75","v3.14.39","v4.0-rc1","v3.18.12","v3.14.38","v3.10.74","v4.0-rc2","v3.12.40","v3.14.37","v3.10.73","v4.0-rc7","v3.18.11","v3.12.39","v4.0-rc3","v4.0-rc6","v4.0-rc4","v3.14.36","v3.10.72","v3.19","v3.18.10","v3.14.35","v3.10.71","v3.18.9","v3.18.8","v3.14.34","v3.10.70","v3.12.38","v3.14.33","v3.18.7","v3.10.69","v3.19-rc7","v3.19-rc5","v3.19-rc1","v3.18.6","v3.14.32","v3.10.68","v3.18.5","v3.14.31","v3.10.67","v3.19-rc6","v3.19-rc4","v3.12.37","v3.10.66","v3.14.30","v3.18.4","v3.18.3","v3.14.29","v3.10.65","v3.18-rc1","v3.19-rc3","v3.19-rc2","v3.18.2","v3.14.28","v3.10.64","v3.12.36","v3.18.1","v3.14.27","v3.10.63","v3.18","v3.12.35","v3.14.26","v3.10.62","v3.18-rc7","v3.14.25","v3.10.61","v3.12.34","v3.18-rc6","v3.18-rc2","v3.18-rc3","v3.18-rc4","v3.18-rc5","v3.14.24","v3.10.60","v3.12.33","v3.17","v3.14.23","v3.10.59","v3.16.7","v3.12.32","v3.16.6","v3.14.22","v3.10.58","v3.17-rc1","v3.12.31","v3.16.5","v3.14.21","v3.10.57","v3.17-rc7","v3.16.4","v3.14.20","v3.10.56","v3.17-rc2","v3.10.55","v3.14.19","v3.16.3","v3.17-rc4","v3.16","v3.17-rc5","v3.17-rc6","v3.12.30","v3.12.29","v3.16.2","v3.14.18","v3.10.54","v3.17-rc3","v3.12.28","v3.16.1","v3.14.17","v3.10.53","v3.12.27","v3.16-rc7","v3.14.16","v3.10.52","v3.14.15","v3.10.51","v3.16-rc1","v3.16-rc3","v3.10.50","v3.14.14","v3.12.26","v3.16-rc5","v3.16-rc6","v3.14.13","v3.10.49","v3.16-rc2","v3.16-rc4","v3.12.25","v3.14.12","v3.10.48","v3.12.24","v3.13","v3.14.11","v3.10.47","v3.15","v3.14.10","v3.10.46","v3.14.9","v3.10.45","v3.14.8","v3.10.44","v3.12.23","v3.12.22","v3.10.43","v3.14.7","v3.10.42","v3.14.6","v3.15-rc5","v3.10.41","v3.14.5","v3.15-rc8","v3.15-rc1","v3.15-rc6","v3.12.21","v3.15-rc3","v3.14.4","v3.10.40","v3.15-rc7","v3.15-rc2","v3.15-rc4","v3.14","v3.12.20","v3.10.39","v3.14.3","v3.14.2","v3.10.38","v3.12.19","v3.14-rc4","v3.14.1","v3.10.37","v3.12.18","v3.14-rc8","v3.10.36","v3.12.17","v3.14-rc7","v3.14-rc6","v3.14-rc1","v3.14-rc2","v3.10.35","v3.12.16","v3.10.34","v3.14-rc5","v3.12.15","v3.10.33","v3.14-rc3","v3.12.14","v3.10.32","v3.12.13","v3.12.12","v3.10.31","v3.12.11","v3.10.30","v3.12.10","v3.10.29","v3.13-rc6","v3.12.9","v3.10.28","v3.12.8","v3.10.27","v3.13-rc8","v3.12","v3.13-rc7","v3.13-rc1","v3.12.7","v3.10.26","v3.13-rc4","v3.13-rc3","v3.12.6","v3.10.25","v3.13-rc5","v3.13-rc2","v3.12.5","v3.10.24","v3.12.4","v3.10.23","v3.10.22","v3.12.3","v3.12.2","v3.10.21","v3.12.1","v3.10.20","v3.10.19","v3.12-rc7","v3.12-rc3","v3.12-rc6","v3.10.18","v3.12-rc1","v3.12-rc5","v3.11","v3.10.17","v3.12-rc2","v3.12-rc4","v3.10.16","v3.10.15","v3.10.14","v3.10.13","v3.10.12","v3.10.11","v3.11-rc7","v3.10.10","v3.11-rc2","v3.11-rc5","v3.11-rc1","v3.11-rc3","v3.11-rc4","v3.10.9","v3.11-rc6","v3.10.8","v3.10.7","v3.10.6","v3.10.5","v3.10-rc2","v3.10.4","v3.10.3","v3.10.2","v3.10","v3.10.1","v3.10-rc7","v3.10-rc6","v3.10-rc1","v3.10-rc5","v3.10-rc3","v3.10-rc4","v3.9","v3.9-rc2","v3.9-rc7","v3.9-rc8","v3.9-rc3","v3.9-rc6","v3.9-rc5","v3.9-rc4","v3.9-rc1","v3.8","v3.8-rc7","v3.8-rc6","v3.8-rc5","v3.8-rc2","v3.8-rc1","v3.8-rc3","v3.8-rc4","v3.7","v3.7-rc1","v3.6","v3.7-rc6","v3.7-rc7","v3.7-rc3","v3.7-rc8","v3.7-rc2","v3.7-rc4","v3.7-rc5","v3.6-rc7","v3.6-rc1","v3.5-rc3","v3.6-rc6","v3.6-rc5","v3.5","v3.6-rc3","v3.6-rc4","v3.6-rc2","v3.4-rc4","v3.5-rc7","v3.5-rc5","v3.5-rc6","v3.5-rc2","v3.5-rc1","v3.5-rc4","v3.4","v3.4-rc2","v3.4-rc1","v3.4-rc7","v3.4-rc6","v3.4-rc3","v3.4-rc5","v3.3","v3.3-rc6","v3.3-rc3","v3.3-rc7","v3.3-rc2","v3.3-rc5","v3.2","v3.3-rc4","v3.3-rc1","v3.2-rc4","v3.2-rc7","v3.2-rc6","v3.2-rc5","v3.2-rc3","v3.1","v3.2-rc2","v3.2-rc1","v3.1-rc1","v3.1-rc9","v3.1-rc8","v3.1-rc10","v3.1-rc7","v3.1-rc3","v3.1-rc2","v3.1-rc4","v3.1-rc5","v3.0","v3.1-rc6","v3.0-rc7","v3.0-rc4","v3.0-rc6","v3.0-rc5","v3.0-rc3","v3.0-rc1","v2.6.39","v3.0-rc2","v2.6.38","v2.6.39-rc2","v2.6.39-rc7","v2.6.39-rc5","v2.6.39-rc1","v2.6.38-rc7","v2.6.39-rc6","v2.6.39-rc4","v2.6.39-rc3","v2.6.37","v2.6.38-rc1","v2.6.38-rc8","v2.6.38-rc2","v2.6.38-rc6","v2.6.38-rc5","v2.6.38-rc4","v2.6.38-rc3","v2.6.37-rc4","v2.6.37-rc2","v2.6.36","v2.6.37-rc5","v2.6.37-rc8","v2.6.37-rc7","v2.6.37-rc6","v2.6.37-rc1","v2.6.37-rc3","v2.6.36-rc6","v2.6.35-rc4","v2.6.36-rc8","v2.6.35","v2.6.36-rc7","v2.6.36-rc3","v2.6.36-rc5","v2.6.36-rc4","v2.6.36-rc2","v2.6.36-rc1","v2.6.35-rc5","v2.6.35-rc6","v2.6.34","v2.6.35-rc3","v2.6.35-rc1","v2.6.35-rc2","v2.6.34-rc7","v2.6.34-rc6","v2.6.34-rc5","v2.6.34-rc4","v2.6.34-rc3","v2.6.34-rc2","v2.6.34-rc1","v2.6.33","v2.6.33-rc6","v2.6.33-rc8","v2.6.33-rc4","v2.6.33-rc5","v2.6.33-rc3","v2.6.33-rc7","v2.6.33-rc2","v2.6.32","v2.6.33-rc1","v2.6.32-rc8","v2.6.32-rc7","v2.6.32-rc6","v2.6.31","v2.6.32-rc5","v2.6.32-rc4","v2.6.32-rc2","v2.6.32-rc1","v2.6.32-rc3","v2.6.31-rc9","v2.6.31-rc1","v2.6.31-rc7","v2.6.31-rc8","v2.6.31-rc6","v2.6.30-rc6","v2.6.30","v2.6.31-rc4","v2.6.31-rc5","v2.6.31-rc3","v2.6.31-rc2","v2.6.30-rc7","v2.6.30-rc8","v2.6.30-rc5","v2.6.30-rc3","v2.6.30-rc4","v2.6.30-rc1","v2.6.30-rc2","v2.6.29","v2.6.29-rc8","v2.6.29-rc7","v2.6.29-rc5","v2.6.29-rc1","v2.6.29-rc6","v2.6.29-rc4","v2.6.29-rc3","v2.6.29-rc2","v2.6.28","v2.6.28-rc7","v2.6.28-rc9","v2.6.28-rc8","v2.6.28-rc6","v2.6.28-rc5","v2.6.28-rc4","v2.6.28-rc2","v2.6.28-rc3","v2.6.28-rc1","v2.6.27","v2.6.27-rc7","v2.6.27-rc9","v2.6.27-rc8","v2.6.27-rc5","v2.6.27-rc6","v2.6.27-rc4","v2.6.27-rc1","v2.6.27-rc3","v2.6.27-rc2","v2.6.26","v2.6.26-rc9","v2.6.26-rc8","v2.6.26-rc3","v2.6.26-rc7","v2.6.26-rc6","v2.6.26-rc5","v2.6.26-rc4","v2.6.26-rc2","v2.6.26-rc1","v2.6.25","v2.6.25-rc7","v2.6.25-rc9","v2.6.25-rc8","v2.6.25-rc6","v2.6.25-rc5","v2.6.25-rc3","v2.6.25-rc4","v2.6.24","v2.6.25-rc2","v2.6.25-rc1","v2.6.24-rc8","v2.6.24-rc7","v2.6.24-rc6","v2.6.24-rc5","v2.6.24-rc4","v2.6.24-rc3","v2.6.24-rc2","v2.6.24-rc1","v2.6.23","v2.6.23-rc9","v2.6.23-rc8","v2.6.23-rc5","v2.6.23-rc7","v2.6.23-rc6","v2.6.23-rc4","v2.6.23-rc3","v2.6.23-rc2","v2.6.23-rc1","v2.6.22","v2.6.22-rc7","v2.6.22-rc6","v2.6.22-rc5","v2.6.22-rc4","v2.6.22-rc3","v2.6.22-rc2","v2.6.22-rc1","v2.6.21","v2.6.21-rc7","v2.6.21-rc6","v2.6.21-rc5","v2.6.21-rc4","v2.6.21-rc3","v2.6.21-rc2","v2.6.21-rc1","v2.6.20-rc7","v2.6.20-rc6","v2.6.20-rc5","v2.6.20-rc4","v2.6.20-rc3","v2.6.20-rc1","v2.6.20-rc2","v2.6.19-rc2","v2.6.18","v2.6.19-rc1","v2.6.18-rc6","v2.6.18-rc5","v2.6.18-rc3","v2.6.18-rc2","v2.6.18-rc1","v2.6.17","v2.6.17-rc4","v2.6.17-rc6","v2.6.17-rc5","v2.6.17-rc3","v2.6.17-rc2","v2.6.17-rc1","v2.6.16","v2.6.16-rc6","v2.6.16-rc4","v2.6.16-rc5","v2.6.16-rc3","v2.6.16-rc2","v2.6.16-rc1","v2.6.15-rc7","v2.6.15-rc5","v2.6.15-rc4","v2.6.15-rc2","v2.6.15-rc1","v2.6.14-rc3","v2.6.14-rc2","v2.6.14-rc1","v2.6.13","v2.6.13-rc7","v2.6.13-rc6","v2.6.13-rc5","v2.6.13-rc3","v2.6.13-rc4","v2.6.13-rc2","v2.6.13-rc1","v2.6.12-rc4","v2.6.12-rc3","v2.6.12-rc2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53794.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.7.0"},{"fixed":"6.1.47"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.4.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53794.json"}}],"schema_version":"1.7.5"}