CVE-2022-50451
fs/ntfs3: Fix memory leak on ntfs_fill_super() error path
- Published
- Updated
- Reserved
- Assigned by
- Linux
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().
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.17% · top 94% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected 78e4aebc35b3e4494a96ffe7534db7201aba869f – < 2dd9ccfb06bcdad30ad92d96c3affa38a458679e
- affected cd39981fb92adf0cc736112f87e3e61602baa415 – < ff0df7d9cdbb12878155168b5234e99029e5377f
- affected cd39981fb92adf0cc736112f87e3e61602baa415 – < 2600c80ea7b39f987c3fa89287e73d62e322bbbd
- affected cd39981fb92adf0cc736112f87e3e61602baa415 – < 51e76a232f8c037f1d9e9922edc25b003d5f3414
- affected 0fd64f062c8d1793d8d6d39fa3a4468e39880f90
- affected 5.15.63 – < 5.15.87
- affected 5.19.4 – < 5.20
- affected 6.0
- unaffected < 6.0
- unaffected 5.15.87 – ≤ 5.15.*
- unaffected 6.0.17 – ≤ 6.0.*
- unaffected 6.1.3 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (4)
- https://git.kernel.org/stable/c/2dd9ccfb06bcdad30ad92d96c3affa38a458679e (opens in a new tab)
- https://git.kernel.org/stable/c/ff0df7d9cdbb12878155168b5234e99029e5377f (opens in a new tab)
- https://git.kernel.org/stable/c/2600c80ea7b39f987c3fa89287e73d62e322bbbd (opens in a new tab)
- https://git.kernel.org/stable/c/51e76a232f8c037f1d9e9922edc25b003d5f3414 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-50451)Record last updated .