Linux Kernel up to 6.1 NTFS3 Subsystem fs/ntfs3/xattr.c ntfs_set_ea out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel up to 6.1. Affected by this vulnerability is the function ntfs_set_ea of the file fs/ntfs3/xattr.c of the component NTFS3 Subsystem. This manipulation causes out-of-bounds. This vulnerability is registered as CVE-2022-48502. The attack needs to be launched locally. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.1 (Operating System) and classified as problematic. Affected by this vulnerability is the function ntfs_set_ea of the file fs/ntfs3/xattr.c of the component NTFS3 Subsystem. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

An issue was discovered in the Linux kernel before 6.2. The ntfs3 subsystem does not properly check for correctness during disk reads, leading to an out-of-bounds read in ntfs_set_ea in fs/ntfs3/xattr.c.

The weakness was published 06/01/2023. It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2022-48502 since 05/31/2023. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 6.2 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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 6.2
Patch: git.kernel.org

Timelineinfo

05/31/2023 🔍
06/01/2023 +1 days 🔍
06/01/2023 +0 days 🔍
06/25/2023 +24 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-48502 (🔍)
GCVE (CVE): GCVE-0-2022-48502
GCVE (VulDB): GCVE-100-230395

Entryinfo

Created: 06/01/2023 06:05
Updated: 06/25/2023 11:12
Changes: 06/01/2023 06:05 (45), 06/25/2023 11:12 (11)
Complete: 🔍
Cache ID: 216::103

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