fs/ntfs3: Fix memory leak on ntfs_fill_super() error path (CVE-2022-50451) | HOL Guard CVE

Medium · CVSS 5.5CVE-2022-50451

fs/ntfs3: Fix memory leak on ntfs_fill_super() error path

Answer in brief

CVE-2022-50451 records a Medium severity (CVSS 5.5) vulnerability in fs/ntfs3: Fix memory leak on ntfs_fill_super() error path. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 1, 2025Updated Aug 15, 2026Source checked Sep 29, 2026First seen by HOL Aug 15, 2026Material review Aug 15, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.5
Exploitation: Not marked as known exploited
Affected software: 3 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
Product	Affected versions	Fixed versions
cpe:2.3:o:linux:linux_kernel::::::::	Not reported	Not reported

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=78e4aebc35b3e4494a96ffe7534db7201aba869f <2dd9ccfb06bcdad30ad92d96c3affa38a458679e \|\| >=cd39981fb92adf0cc736112f87e3e61602baa415 <ff0df7d9cdbb12878155168b5234e99029e5377f \|\| >=cd39981fb92adf0cc736112f87e3e61602baa415 <2600c80ea7b39f987c3fa89287e73d62e322bbbd \|\| >=cd39981fb92adf0cc736112f87e3e61602baa415 <51e76a232f8c037f1d9e9922edc25b003d5f3414 \|\| 0fd64f062c8d1793d8d6d39fa3a4468e39880f90 \|\| >=5.15.63 <5.15.87 \|\| >=5.19.4 <5.20	2dd9ccfb06bcdad30ad92d96c3affa38a458679e, ff0df7d9cdbb12878155168b5234e99029e5377f, 2600c80ea7b39f987c3fa89287e73d62e322bbbd, 51e76a232f8c037f1d9e9922edc25b003d5f3414, 5.15.87, 5.20
Linux/Linuxgeneric	6.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 2dd9ccfb06bcdad30ad92d96c3affa38a458679e if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Oct 1, 2025
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 15, 2026

Sources and claim methodology

Upstream source 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().

Quoted source text, attributed separately from HOL analysis.