Linux Kernel nftables nft_osf_eval information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel. This affects the function nft_osf_eval of the component nftables. This manipulation causes information disclosure. This vulnerability is registered as CVE-2022-42432. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (version now known) and classified as problematic. Affected by this vulnerability is the function nft_osf_eval of the component nftables. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 10/21/2022 as ZDI-22-1457. The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2022-42432 since 10/03/2022. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 239841 (TencentOS Server 4: kernel (TSSA-2024:0960)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at patchwork.ozlabs.org.

The vulnerability is also documented in the databases at Tenable (239841) and EUVD (EUVD-2022-45506). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 239841
Nessus Name: TencentOS Server 4: kernel (TSSA-2024:0960)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: patchwork.ozlabs.org

Timelineinfo

10/03/2022 🔍
10/21/2022 +18 days 🔍
10/21/2022 +0 days 🔍
08/17/2026 +1396 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: ZDI-22-1457
Status: Confirmed

CVE: CVE-2022-42432 (🔍)
GCVE (CVE): GCVE-0-2022-42432
GCVE (VulDB): GCVE-100-211945
EUVD: 🔍

Entryinfo

Created: 10/21/2022 16:31
Updated: 08/17/2026 04:50
Changes: 10/21/2022 16:31 (41), 06/20/2025 01:31 (16), 08/17/2026 04:50 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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