CVE-2022-49550

fs/ntfs3: provide block_invalidate_folio to fix memory leak

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:14 AM UTC
Updated: June 17, 2026 at 05:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: provide block_invalidate_folio to fix memory leak The ntfs3 filesystem lacks the 'invalidate_folio' method and it causes memory leak. If you write to the filesystem and then unmount it, the cached written data are not freed and they are permanently leaked.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.18 ≤ v < 5.18.35.18 ≤ v < 5.195.187ba13abbd31ee9265e88d7dc029c0f786e665192
Vendor states this is fixed in 0753245a72ec99824677586499ee2e0919164b3f (fixed)
Vendor states this is fixed in 724bbe49c5e427cb077357d72d240a649f2e4054 (fixed)
Vendor states this is fixed in 5.18 (unaffected)
Vendor states this is fixed in 5.18.3 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0753245a72ec99824677586499ee2e0919164b3f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/724bbe49c5e427cb077357d72d240a649f2e4054

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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