Linux Kernel NTFS3 Driver fs/ntfs3/attrib.c attr_punch_hole null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel. This issue affects the function attr_punch_hole of the file fs/ntfs3/attrib.c of the component NTFS3 Driver. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2022-4842. It is possible to initiate the attack remotely. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel (Operating System) (version now known). This issue affects the function attr_punch_hole of the file fs/ntfs3/attrib.c of the component NTFS3 Driver. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

A flaw NULL Pointer Dereference in the Linux kernel NTFS3 driver function attr_punch_hole() was found. A local user could use this flaw to crash the system.

The weakness was shared 01/12/2023. The advisory is shared at lore.kernel.org. The identification of this vulnerability is CVE-2022-4842 since 12/29/2022. Technical details are known, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: lore.kernel.org

Timelineinfo

12/29/2022 🔍
01/12/2023 +14 days 🔍
01/12/2023 +0 days 🔍
04/08/2025 +817 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: lore.kernel.org
Status: Confirmed

CVE: CVE-2022-4842 (🔍)
GCVE (CVE): GCVE-0-2022-4842
GCVE (VulDB): GCVE-100-218189

Entryinfo

Created: 01/12/2023 22:33
Updated: 04/08/2025 16:51
Changes: 01/12/2023 22:33 (42), 02/05/2023 10:44 (11), 04/08/2025 16:51 (16)
Complete: 🔍
Cache ID: 216::103

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