CVE-2022-50451

MEDIUM

Linux Kernel < 5.15.87 - Memory Leak

Title source: rule

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

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 3.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-401
Status published

Affected Products (4)

linux/linux_kernel < 5.15.87
linux/Kernel < 5.15.87linux
linux/Kernel < 6.0.17linux
linux/Kernel < 6.1.3linux

Timeline

Published Oct 01, 2025
Tracked Since Feb 18, 2026