fs/ntfs3: Fix memory leak on ntfs_fill_super() error path
syzbot reported kmemleak as below:
BUG: memory leak
unreferenced object 0xffff8880122f1540 (size 32):
comm "a.out", pid 6664, jiffies 4294939771 (age 25.500s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 ed ff ed ff 00 00 00 00 ................
backtrace:
[<ffffffff81b16052>] ntfs_init_fs_context+0x22/0x1c0
[<ffffffff8164aaa7>] alloc_fs_context+0x217/0x430
[<ffffffff81626dd4>] path_mount+0x704/0x1080
[<ffffffff81627e7c>] __x64_sys_mount+0x18c/0x1d0
[<ffffffff84593e14>] do_syscall_64+0x34/0xb0
[<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
This patch fixes this issue by freeing mount options on error path of
ntfs_fill_super().
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No vendor fix or workaround currently provided.
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Fri, 16 Jan 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-401 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Thu, 02 Oct 2025 09:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
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| Vendors & Products |
Linux
Linux linux Kernel |
Thu, 02 Oct 2025 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
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cvssV3_1
|
Wed, 01 Oct 2025 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix memory leak on ntfs_fill_super() error path syzbot reported kmemleak as below: BUG: memory leak unreferenced object 0xffff8880122f1540 (size 32): comm "a.out", pid 6664, jiffies 4294939771 (age 25.500s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 ed ff ed ff 00 00 00 00 ................ backtrace: [<ffffffff81b16052>] ntfs_init_fs_context+0x22/0x1c0 [<ffffffff8164aaa7>] alloc_fs_context+0x217/0x430 [<ffffffff81626dd4>] path_mount+0x704/0x1080 [<ffffffff81627e7c>] __x64_sys_mount+0x18c/0x1d0 [<ffffffff84593e14>] do_syscall_64+0x34/0xb0 [<ffffffff84600087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd This patch fixes this issue by freeing mount options on error path of ntfs_fill_super(). | |
| Title | fs/ntfs3: Fix memory leak on ntfs_fill_super() error path | |
| References |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T19:19:43.723Z
Reserved: 2025-09-17T14:53:07.011Z
Link: CVE-2022-50451
No data.
Status : Analyzed
Published: 2025-10-01T12:15:38.050
Modified: 2026-01-16T19:23:40.883
Link: CVE-2022-50451
OpenCVE Enrichment
Updated: 2025-10-02T08:38:47Z