Linux Kernel up to 5.19.11/6.0 exfat buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 5.19.11/6.0. Affected is an unknown function of the component exfat. The manipulation results in buffer overflow. This vulnerability is reported as CVE-2022-48665. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.19.11/6.0. Affected is an unknown part of the component exfat. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-48665 since 02/25/2024. The exploitability is told to be easy. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/18/2025).

Upgrading to version 5.19.12 or 6.0 eliminates this vulnerability. Applying the patch 17244f71765d/2e9ceb6728f1 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.19.12/6.0
Patch: 17244f71765d/2e9ceb6728f1

Timelineinfo

02/25/2024 🔍
04/28/2024 +62 days 🔍
04/28/2024 +0 days 🔍
09/18/2025 +508 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-48665 (🔍)
GCVE (CVE): GCVE-0-2022-48665
GCVE (VulDB): GCVE-100-262272

Entryinfo

Created: 04/28/2024 16:21
Updated: 09/18/2025 18:45
Changes: 04/28/2024 16:21 (57), 09/18/2025 18:45 (12)
Complete: 🔍
Cache ID: 216::103

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