CVE-2022-50451 (GCVE-0-2022-50451)
Vulnerability from cvelistv5 – Published: 2025-10-01 11:45 – Updated: 2025-10-02 07:04
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 ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e , < 2dd9ccfb06bcdad30ad92d96c3affa38a458679e
(git)
Affected: 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e , < ff0df7d9cdbb12878155168b5234e99029e5377f (git) Affected: 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e , < 2600c80ea7b39f987c3fa89287e73d62e322bbbd (git) Affected: 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e , < 51e76a232f8c037f1d9e9922edc25b003d5f3414 (git) |
||
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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