A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.2, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 7 products from linux, from redhat, from opensuse and 4 others, organizations running these solutions should prioritize assessment and patching.
Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2020-10-06T14:15:12.683
2024-11-21T05:18:19.180
Modified
CVSSv3.1: 7.2 (HIGH)
AV:N/AC:M/Au:S/C:P/I:P/A:C
6.8
8.5
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | linux | linux_kernel | < 4.4.238 | Yes |
| Operating System | linux | linux_kernel | < 4.9.238 | Yes |
| Operating System | linux | linux_kernel | < 4.14.200 | Yes |
| Operating System | linux | linux_kernel | < 4.19.148 | Yes |
| Operating System | linux | linux_kernel | < 5.4.68 | Yes |
| Operating System | linux | linux_kernel | < 5.8.12 | Yes |
| Operating System | linux | linux_kernel | 5.9.0 | Yes |
| Operating System | linux | linux_kernel | 5.9.0 | Yes |
| Operating System | linux | linux_kernel | 5.9.0 | Yes |
| Operating System | linux | linux_kernel | 5.9.0 | Yes |
| Operating System | linux | linux_kernel | 5.9.0 | Yes |
| Operating System | linux | linux_kernel | 5.9.0 | Yes |
| Operating System | redhat | enterprise_linux | 7.0 | Yes |
| Operating System | redhat | enterprise_linux | 8.0 | Yes |
| Operating System | opensuse | leap | 15.1 | Yes |
| Operating System | debian | debian_linux | 9.0 | Yes |
| Operating System | debian | debian_linux | 10.0 | Yes |
| Operating System | opensuse | leap | 15.2 | Yes |
| Operating System | netapp | h410c_firmware | - | Yes |
| Hardware | netapp | h410c | - | No |
| Application | starwindsoftware | starwind_virtual_san | v8 | Yes |
| Application | starwindsoftware | starwind_virtual_san | v8 | Yes |
| Application | starwindsoftware | starwind_virtual_san | v8 | Yes |
| Application | starwindsoftware | starwind_virtual_san | v8 | Yes |
| Application | starwindsoftware | starwind_virtual_san | v8 | Yes |
| Application | starwindsoftware | starwind_virtual_san | v8 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.