Linux Kernel fs/reiserfs/journal.c do_journal_end array index

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel. This vulnerability affects the function do_journal_end of the file fs/reiserfs/journal.c. Such manipulation leads to array index. This vulnerability is traded as CVE-2023-4205. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (affected version not known). It has been rated as critical. Affected by this issue is the function do_journal_end of the file fs/reiserfs/journal.c. The manipulation with an unknown input leads to a array index vulnerability. Using CWE to declare the problem leads to CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. Impacted is availability. CVE summarizes:

An out-of-bounds memory access flaw was found in the Linux kernel’s do_journal_end function when the fails array-index-out-of-bounds in fs/reiserfs/journal.c could happen. This flaw allows a local user to crash the system.

The weakness was shared 08/07/2023. The advisory is available at access.redhat.com. This vulnerability is handled as CVE-2023-4205 since 08/07/2023. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/07/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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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: 5.5
VulDB Meta Temp Score: 5.5

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

CNA Base Score: 5.5
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Array index
CWE: CWE-129 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2023 🔍
08/07/2023 +0 days 🔍
08/07/2023 +0 days 🔍
08/07/2023 +0 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: access.redhat.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-4205 (🔍)
GCVE (CVE): GCVE-0-2023-4205
GCVE (VulDB): GCVE-100-236294

Entryinfo

Created: 08/07/2023 18:49
Changes: 08/07/2023 18:49 (49)
Complete: 🔍
Cache ID: 216::103

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