Linux Kernel up to 6.3.x relayfs kernel/relay.c relay_file_read_start_pos 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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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.3.x. It has been rated as problematic. Affected by this issue is the function relay_file_read_start_pos of the file kernel/relay.c of the component relayfs. The manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2023-3268. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.3.x (Operating System). It has been rated as critical. This issue affects the function relay_file_read_start_pos of the file kernel/relay.c of the component relayfs. 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, integrity, and availability.

The weakness was shared 06/16/2023. The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2023-3268 since 06/15/2023. Technical details are known, but no exploit is available.

Upgrading to version 6.4-rc1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-43944). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.6
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: Partially
Local: Yes
Remote: No

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-rc1

Timelineinfo

06/15/2023 🔍
06/16/2023 +1 days 🔍
06/16/2023 +0 days 🔍
01/26/2026 +955 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2023-3268 (🔍)
GCVE (CVE): GCVE-0-2023-3268
GCVE (VulDB): GCVE-100-231749
EUVD: 🔍

Entryinfo

Created: 06/16/2023 14:35
Updated: 01/26/2026 19:51
Changes: 06/16/2023 14:35 (42), 07/14/2023 13:11 (1), 07/14/2023 13:16 (11), 01/26/2026 19:51 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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