Linux Kernel vt vt_ioctl.c vt_k_ioctl 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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4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel. Affected is the function vt_k_ioctl of the file drivers/tty/vt/vt_ioctl.c of the component vt. Executing a manipulation can lead to out-of-bounds. This vulnerability appears as CVE-2021-3753. The attack may be performed from remote. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel (Operating System) (affected version not known). This vulnerability affects the function vt_k_ioctl of the file drivers/tty/vt/vt_ioctl.c of the component vt. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality.

The weakness was presented 02/17/2022. The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2021-3753 since 08/31/2021. Technical details are known, but there is no available exploit.

Applying the patch 2287a51ba822384834dafc1c798453375d1107c7 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: No
Local: No
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: 2287a51ba822384834dafc1c798453375d1107c7

Timelineinfo

08/31/2021 🔍
02/17/2022 +170 days 🔍
02/17/2022 +0 days 🔍
02/19/2022 +2 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 2287a51ba822384834dafc1c798453375d1107c7
Status: Confirmed

CVE: CVE-2021-3753 (🔍)
GCVE (CVE): GCVE-0-2021-3753
GCVE (VulDB): GCVE-100-193258

Entryinfo

Created: 02/17/2022 07:57
Updated: 02/19/2022 09:38
Changes: 02/17/2022 07:57 (42), 02/19/2022 09:38 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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