CVE-2022-50057
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-50057
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-50057.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2022-50057
- Downstream
- Published
- 2025-06-18T11:15:34Z
- Modified
- 2025-08-09T20:01:26Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Fix NULL deref in ntfsupdatemftmirr
If ntfsfillsuper() wasn't called then sbi->sb will be equal to NULL. Code should check this ptr before dereferencing. Syzbot hit this issue via passing wrong mount param as can be seen from log below
Fail log: ntfs3: Unknown parameter 'iochvrset' general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 1 PID: 3589 Comm: syz-executor210 Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0 ... Call Trace: <TASK> putntfs+0x1ed/0x2a0 fs/ntfs3/super.c:463 ntfsfsfree+0x6a/0xe0 fs/ntfs3/super.c:1363 putfscontext+0x119/0x7a0 fs/fscontext.c:469 donewmount+0x2b4/0xad0 fs/namespace.c:3044 domount fs/namespace.c:3383 [inline] _dosysmount fs/namespace.c:3591 [inline]
- References