{"id":"CVE-2023-53391","summary":"shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nshmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs\n\nAs the ramfs-based tmpfs uses ramfs_init_fs_context() for the\ninit_fs_context method, which allocates fc-\u003es_fs_info, use ramfs_kill_sb()\nto free it and avoid a memory leak.","modified":"2026-05-18T05:55:33.722020140Z","published":"2025-09-18T13:33:33.602Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03615-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:3751-1","SUSE-SU-2025:3761-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4141-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53391.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1f34bf8b442c6d720e7fa6f15e8702427e48aea9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/36ce9d76b0a93bae799e27e4f5ac35478c676592"},{"type":"WEB","url":"https://git.kernel.org/stable/c/487f229efea80c00dd7397547ec4f25fb8999d99"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5fada375113767b3b57f1b04f7a4fe64ffaa626f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ebe07db840992a3886694ac3d303b06f4b70ce00"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53391.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53391"},{"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":"c3b1b1cbf002e65a3cabd479e68b5f35886a26db"},{"fixed":"5fada375113767b3b57f1b04f7a4fe64ffaa626f"},{"fixed":"487f229efea80c00dd7397547ec4f25fb8999d99"},{"fixed":"1f34bf8b442c6d720e7fa6f15e8702427e48aea9"},{"fixed":"ebe07db840992a3886694ac3d303b06f4b70ce00"},{"fixed":"36ce9d76b0a93bae799e27e4f5ac35478c676592"}]}],"versions":["v5.10.187","v5.10.186","v5.15.120","v6.4.3","v6.1.38","v6.4","v6.4.2","v6.4-rc7","v6.4-rc1","v6.4.1","v6.1.37","v5.15.119","v6.1.36","v6.4-rc6","v6.1.35","v5.15.118","v5.10.185","v6.4-rc5","v6.4-rc3","v6.1.34","v5.15.117","v5.10.184","v6.4-rc4","v6.4-rc2","v6.1.33","v5.15.116","v5.10.183","v6.1.32","v5.15.115","v5.10.182","v6.1.31","v5.15.114","v5.10.181","v6.1.30","v5.15.113","v5.10.180","v5.15.112","v6.1.29","v6.1.28","v5.15.111","v5.10.179","v6.3","v6.1.27","v5.15.110","v6.1.26","v5.15.109","v6.3-rc1","v6.1.25","v5.15.108","v5.10.178","v6.3-rc7","v6.3-rc2","v6.3-rc3","v6.3-rc5","v6.3-rc6","v6.3-rc4","v6.1.24","v5.15.107","v5.10.177","v6.2-rc6","v6.1.23","v5.15.106","v6.1.22","v5.15.105","v5.10.176","v6.1.21","v5.15.104","v6.1.20","v5.15.103","v5.10.175","v6.1.19","v5.15.102","v5.10.174","v6.1.18","v5.15.101","v5.10.173","v5.15.100","v5.10.172","v5.15.99","v6.1.17","v6.1.16","v5.15.98","v6.1.15","v6.2-rc1","v6.2","v5.15.97","v5.10.171","v6.1.14","v5.15.96","v5.10.170","v5.15.95","v5.10.169","v6.1.13","v6.2-rc2","v6.2-rc8","v6.1.12","v5.15.94","v5.10.168","v6.2-rc5","v6.2-rc4","v5.10.167","v5.15.93","v6.1.11","v6.2-rc7","v6.1.10","v5.15.92","v6.2-rc3","v6.1.9","v5.15.91","v5.10.166","v6.1.8","v5.15.90","v5.10.165","v6.1.7","v5.15.89","v5.10.164","v6.1.6","v5.15.88","v5.10.163","v6.1-rc1","v6.1.5","v5.15.87","v5.10.162","v6.1.4","v5.15.86","v6.1.3","v5.10.161","v6.1.2","v6.1.1","v5.15.85","v6.1","v5.15.84","v5.10.160","v5.15.83","v5.10.159","v6.1-rc8","v6.1-rc3","v5.15.82","v5.10.158","v6.1-rc6","v5.15.81","v5.10.157","v6.1-rc7","v6.1-rc4","v6.1-rc2","v5.15.80","v5.10.156","v5.15.79","v6.1-rc5","v5.10.155","v5.15.78","v5.10.154","v5.15.77","v5.10.153","v5.15.76","v5.10.152","v5.10.151","v5.15.75","v5.10.150","v6.0-rc1","v5.10.149","v5.15.74","v5.10.148","v6.0","v5.15.73","v5.10.147","v5.15.72","v6.0-rc7","v5.15.71","v5.10.146","v6.0-rc3","v6.0-rc2","v5.15.70","v5.10.145","v6.0-rc6","v6.0-rc4","v6.0-rc5","v5.10.144","v5.15.69","v5.15.68","v5.10.143","v5.10.142","v5.15.67","v5.15.66","v5.15.65","v5.10.141","v5.15.64","v5.10.140","v5.19","v5.15.63","v5.10.139","v5.10.138","v5.15.62","v5.10.137","v5.15.61","v5.10.136","v5.15.60","v5.19-rc1","v5.15.59","v5.10.135","v5.15.58","v5.10.134","v5.19-rc5","v5.19-rc8","v5.19-rc6","v5.18","v5.19-rc2","v5.19-rc7","v5.15.57","v5.10.133","v5.19-rc3","v5.10.132","v5.15.56","v5.15.55","v5.10.131","v5.19-rc4","v5.10.130","v5.15.54","v5.15.53","v5.10.129","v5.15.52","v5.10.128","v5.15.51","v5.10.127","v5.18-rc1","v5.15.50","v5.10.126","v5.10.125","v5.15.49","v5.10.124","v5.15.48","v5.10.123","v5.15.47","v5.10.122","v5.15.46","v5.10.121","v5.15.45","v5.10.120","v5.15.44","v5.10.119","v5.10.118","v5.15.43","v5.18-rc7","v5.18-rc2","v5.15.42","v5.15.41","v5.10.117","v5.15.40","v5.10.116","v5.18-rc5","v5.17","v5.18-rc4","v5.18-rc3","v5.18-rc6","v5.15.39","v5.10.115","v5.15.38","v5.10.114","v5.15.37","v5.10.113","v5.15.36","v5.15.35","v5.10.112","v5.15.34","v5.10.111","v5.10.110","v5.15.33","v5.10.109","v5.15.32","v5.17-rc6","v5.17-rc4","v5.15.31","v5.10.108","v5.17-rc8","v5.17-rc7","v5.15.30","v5.10.107","v5.17-rc1","v5.15.29","v5.10.106","v5.17-rc3","v5.15.28","v5.10.105","v5.17-rc2","v5.15.27","v5.10.104","v5.15.26","v5.10.103","v5.17-rc5","v5.16","v5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