CVE-2022-48665

exfat: fix overflow for large capacity partition

MEDIUM
5.5
CVSS Score
Published: April 28, 2024 at 01:01 PM UTC
Updated: August 5, 2026 at 09:24 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: exfat: fix overflow for large capacity partition Using int type for sector index, there will be overflow in a large capacity partition. For example, if storage with sector size of 512 bytes and partition capacity is larger than 2TB, there will be overflow.

Affected

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

5.19 ≤ v < 5.19.125.19 ≤ v < 6.01b6138385499507147e8f654840f4c39afe6adbf6.0 rc16.0 rc26.0 rc36.0 rc46.0 rc56.0 rc6
Vendor states this is fixed in 17244f71765dfec39e84493993993e896c376d09 (fixed)
Vendor states this is fixed in 2e9ceb6728f1dc2fa4b5d08f37d88cbc49a20a62 (fixed)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 5.19.12 (unaffected)
Vendor states this is fixed in 6.0 (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/17244f71765dfec39e84493993993e896c376d09
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2e9ceb6728f1dc2fa4b5d08f37d88cbc49a20a62

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-191

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