CVE-2022-50451

MEDIUM EPSS 4.7%
Published Oct 1, 20259mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 1, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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().

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥5.15  –  <5.15.87
linuxlinux_kernel*≥5.16  –  <6.0.17
linuxlinux_kernel*≥6.1  –  <6.1.3

References 4

  • git.kernel.org https://git.kernel.org/stable/c/2600c80ea7b39f987c3fa89287e73d62e322bbbd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2dd9ccfb06bcdad30ad92d96c3affa38a458679e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/51e76a232f8c037f1d9e9922edc25b003d5f3414
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ff0df7d9cdbb12878155168b5234e99029e5377f
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2600c80ea7b39f987c3fa89287e73d62e322bbbd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2dd9ccfb06bcdad30ad92d96c3affa38a458679e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/51e76a232f8c037f1d9e9922edc25b003d5f3414
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ff0df7d9cdbb12878155168b5234e99029e5377f
    Patch