Linux Kernel up to 6.1.2 Attribute Name fs/ntfs3/record.c mi_enum_attr out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.05

A vulnerability has been found in Linux Kernel up to 6.1.2 (Operating System) and classified as critical. This vulnerability affects the function mi_enum_attr of the file fs/ntfs3/record.c of the component Attribute Name Handler. The manipulation of the argument attr with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel before 6.1.3, fs/ntfs3/record.c does not validate resident attribute names. An out-of-bounds write may occur.

The weakness was shared 03/19/2023. The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2022-48423 since 03/19/2023. There are known technical details, but no exploit is available.

Upgrading to version 6.1.3 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.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
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 6.1.3
Patch: git.kernel.org

Timelineinfo

03/19/2023 🔍
03/19/2023 +0 days 🔍
03/19/2023 +0 days 🔍
04/11/2023 +23 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-48423 (🔍)

Entryinfo

Created: 03/19/2023 07:53
Updated: 04/11/2023 21:36
Changes: 03/19/2023 07:53 (46), 04/11/2023 21:36 (11)
Complete: 🔍

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