CVE-2022-50451

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Source
https://cve.org/CVERecord?id=CVE-2022-50451
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50451.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-50451
Downstream
Published
2025-10-01T11:45:24.652Z
Modified
2026-04-02T08:28:30.941137Z
Summary
fs/ntfs3: Fix memory leak on ntfs_fill_super() error path
Details

In the Linux kernel, the following vulnerability has been resolved:

fs/ntfs3: Fix memory leak on ntfsfillsuper() 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>] ntfsinitfscontext+0x22/0x1c0 [<ffffffff8164aaa7>] allocfscontext+0x217/0x430 [<ffffffff81626dd4>] pathmount+0x704/0x1080 [<ffffffff81627e7c>] __x64sysmount+0x18c/0x1d0 [<ffffffff84593e14>] dosyscall64+0x34/0xb0 [<ffffffff84600087>] entrySYSCALL64afterhwframe+0x63/0xcd

This patch fixes this issue by freeing mount options on error path of ntfsfillsuper().

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50451.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e
Fixed
2dd9ccfb06bcdad30ad92d96c3affa38a458679e
Fixed
ff0df7d9cdbb12878155168b5234e99029e5377f
Fixed
2600c80ea7b39f987c3fa89287e73d62e322bbbd
Fixed
51e76a232f8c037f1d9e9922edc25b003d5f3414

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50451.json"