Linux Kernel up to 6.3.1 kernel/relay.c relay_file_read out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.3.1 and classified as problematic. This impacts the function relay_file_read of the file kernel/relay.c. Such manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2023-39977. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.3.1 (Operating System). It has been rated as problematic. Affected by this issue is the function relay_file_read of the file kernel/relay.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. CVE summarizes:

An issue was discovered in the Linux kernel before 6.3.2. There is an out-of-bounds access in relay_file_read in kernel/relay.c.

The weakness was released 08/08/2023. The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2023-39977 since 08/08/2023. Technical details are known, but there is no available exploit.

Upgrading to version 6.3.2 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.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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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: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined
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 6.3.2
Patch: git.kernel.org

Timelineinfo

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

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-39977 (🔍)
GCVE (CVE): GCVE-0-2023-39977
GCVE (VulDB): GCVE-100-236366

Entryinfo

Created: 08/08/2023 08:47
Changes: 08/08/2023 08:47 (44)
Complete: 🔍
Cache ID: 216::103

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