Linux Kernel up to 6.4-rc1 EXT4 File System fs/ext4/super.c __ext4_remount use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel up to 6.4-rc1. The impacted element is the function __ext4_remount of the file fs/ext4/super.c of the component EXT4 File System. The manipulation results in use after free. This vulnerability is identified as CVE-2024-0775. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 6.4-rc1 (Operating System). Affected is the function __ext4_remount of the file fs/ext4/super.c of the component EXT4 File System. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. The impact remains unknown.

The weakness was released 01/21/2024. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2024-0775 since 01/21/2024. There are known technical details, but no exploit is available.

Upgrading to version 6.4-rc2 eliminates this vulnerability. Applying the patch 4c0b4818b1f636bc96359f7817a2d8bab6370162 is able to eliminate this problem. The bugfix is ready for download at scm.linefinity.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.1
NVD Vector: 🔍

CNA Base Score: 6.7
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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 6.4-rc2
Patch: 4c0b4818b1f636bc96359f7817a2d8bab6370162

Timelineinfo

01/21/2024 🔍
01/21/2024 +0 days 🔍
01/21/2024 +0 days 🔍
02/16/2024 +26 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 4c0b4818b1f636bc96359f7817a2d8bab6370162
Status: Confirmed

CVE: CVE-2024-0775 (🔍)
GCVE (CVE): GCVE-0-2024-0775
GCVE (VulDB): GCVE-100-251676

Entryinfo

Created: 01/21/2024 17:19
Updated: 02/16/2024 07:01
Changes: 01/21/2024 17:19 (43), 02/16/2024 06:46 (2), 02/16/2024 07:01 (21)
Complete: 🔍
Cache ID: 216::103

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