{"cve":"CVE-2025-71312","nvd":{"published":"2026-05-27T14:16:43.763","modified":"2026-10-26T16:17:09.720","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: fix ntfs_mount_options leak in ntfs_fill_super()\n\nIn ntfs_fill_super(), the fc->fs_private pointer is set to NULL without\nfirst freeing the memory it points to. This causes the subsequent call to\nntfs_fs_free() to skip freeing the ntfs_mount_options structure.\n\nThis results in a kmemleak report:\n\n  unreferenced object 0xff1100015378b800 (size 32):\n    comm \"mount\", pid 582, jiffies 4294890685\n    hex dump (first 32 bytes):\n      00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n      00 00 00 00 00 00 00 00 ed ff ed ff 00 04 00 00  ................\n    backtrace (crc ed541d8c):\n      __kmalloc_cache_noprof+0x424/0x5a0\n      __ntfs_init_fs_context+0x47/0x590\n      alloc_fs_context+0x5d8/0x960\n      __x64_sys_fsopen+0xb1/0x190\n      do_syscall_64+0x50/0x1f0\n      entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nThis issue can be reproduced using the following commands:\n        fallocate -l 100M test.file\n        mount test.file /tmp/test\n\nSince sbi->options is duplicated from fc->fs_private and does not\ndirectly use the memory allocated for fs_private, it is unnecessary to\nset fc->fs_private to NULL.\n\nAdditionally, this patch simplifies the code by utilizing the helper\nfunction put_mount_options() instead of open-coding the cleanup logic.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/d977b979081ef2585a15453f309a6311c95ede02","https://git.kernel.org/stable/c/dac871d833b09495198dcac81d2ebaa8db11acbc","https://git.kernel.org/stable/c/f7edab0cee03a1cbe0e55a7bcab8d2d8b6b74278"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-26T16:34:44.474829350+00:00"},"epss":{"cve":"CVE-2025-71312","score":0.00138,"percentile":0.0314,"date":"2026-10-26"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}