Linux Kernel TeleTYpe Subsystem flush_to_ldisc race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel. Impacted is the function flush_to_ldisc of the component TeleTYpe Subsystem. The manipulation results in race condition. This vulnerability is cataloged as CVE-2022-1462. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel (Operating System) (affected version unknown). Affected is the function flush_to_ldisc of the component TeleTYpe Subsystem. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 06/02/2022. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2022-1462 since 04/25/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/07/2026).

The vulnerability scanner Nessus provides a plugin with the ID 233373 (Amazon Linux 2 : kernel (ALASKERNEL-5.10-2025-086)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (233373) and EUVD (EUVD-2022-24767). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.4
VulDB Temp Score: 6.2
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: Race condition
CWE: CWE-362
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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Nessus ID: 233373
Nessus Name: Amazon Linux 2 : kernel (ALASKERNEL-5.10-2025-086)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/25/2022 🔍
06/02/2022 +38 days 🔍
06/02/2022 +0 days 🔍
04/07/2026 +1404 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2022-1462 (🔍)
GCVE (CVE): GCVE-0-2022-1462
GCVE (VulDB): GCVE-100-200964
EUVD: 🔍

Entryinfo

Created: 06/02/2022 19:38
Updated: 04/07/2026 01:26
Changes: 06/02/2022 19:38 (38), 06/04/2022 14:47 (1), 06/04/2022 14:50 (1), 03/27/2025 21:13 (16), 04/07/2026 01:26 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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