Linux Kernel 5.12-rc5 net/x25/af_x25.c x25_bind out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel 5.12-rc5 and classified as problematic. Affected by this vulnerability is the function x25_bind of the file net/x25/af_x25.c. This manipulation causes out-of-bounds. This vulnerability is registered as CVE-2020-35519. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Linux Kernel 5.12-rc5 (Operating System). It has been declared as critical. Affected by this vulnerability is the function x25_bind of the file net/x25/af_x25.c. 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, and availability.

The weakness was published 05/07/2021. The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2020-35519. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/09/2025).

The vulnerability scanner Nessus provides a plugin with the ID 246689 (Linux Distros Unpatched Vulnerability : CVE-2020-35519), 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 vulnerability database at Tenable (246689). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.1
VulDB Temp Score: 7.1
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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Nessus ID: 246689
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-35519

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
05/07/2021 +140 days 🔍
05/07/2021 +0 days 🔍
08/09/2025 +1555 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2020-35519 (🔍)
GCVE (CVE): GCVE-0-2020-35519
GCVE (VulDB): GCVE-100-174625

Entryinfo

Created: 05/07/2021 08:05
Updated: 08/09/2025 17:01
Changes: 05/07/2021 08:05 (39), 05/12/2021 06:41 (2), 08/09/2025 17:01 (16)
Complete: 🔍
Cache ID: 216::103

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

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