CVE-2022-50451 (GCVE-0-2022-50451)

Vulnerability from cvelistv5 – Published: 2025-10-01 11:45 – Updated: 2026-08-15 12:23
VLAI
Title
fs/ntfs3: Fix memory leak on ntfs_fill_super() error path
Summary
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().
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 78e4aebc35b3e4494a96ffe7534db7201aba869f , < 2dd9ccfb06bcdad30ad92d96c3affa38a458679e (git)
Affected: cd39981fb92adf0cc736112f87e3e61602baa415 , < ff0df7d9cdbb12878155168b5234e99029e5377f (git)
Affected: cd39981fb92adf0cc736112f87e3e61602baa415 , < 2600c80ea7b39f987c3fa89287e73d62e322bbbd (git)
Affected: cd39981fb92adf0cc736112f87e3e61602baa415 , < 51e76a232f8c037f1d9e9922edc25b003d5f3414 (git)
Affected: 0fd64f062c8d1793d8d6d39fa3a4468e39880f90 (git)
Affected: 5.15.63 , < 5.15.87 (semver)
Affected: 5.19.4 , < 5.20 (semver)
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Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 5.15.87 , ≤ 5.15.* (semver)
Unaffected: 6.0.17 , ≤ 6.0.* (semver)
Unaffected: 6.1.3 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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}



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