There is a use-after-free in kernel versions before 5.5 due to a race condition between the release of ptp_clock and cdev while resource deallocation. When a (high privileged) process allocates a ptp device file (like /dev/ptpX) and voluntarily goes to sleep. During this time if the underlying device is removed, it can cause an exploitable condition as the process wakes up to terminate and clean all attached files. The system crashes due to the cdev structure being invalid (as already freed) which is pointed to by the inode.
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, requiring local system access to exploit with relatively low complexity though user interaction is required . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 33 products from linux, from redhat, from debian and 30 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.
2020-05-08T15:15:11.880
2024-11-21T04:55:51.727
Modified
CVSSv3.1: 6.5 (MEDIUM)
AV:L/AC:M/Au:N/C:P/I:P/A:P
3.4
6.4
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | linux | linux_kernel | < 5.5 | Yes |
| Operating System | redhat | enterprise_linux | 7.0 | Yes |
| Operating System | redhat | enterprise_linux | 8.0 | Yes |
| Operating System | debian | debian_linux | 8.0 | Yes |
| Operating System | canonical | ubuntu_linux | 14.04 | Yes |
| Operating System | canonical | ubuntu_linux | 16.04 | Yes |
| Operating System | opensuse | leap | 15.1 | Yes |
| Application | netapp | active_iq_unified_manager | - | Yes |
| Application | netapp | element_software | - | Yes |
| Application | netapp | hci_management_node | - | Yes |
| Application | netapp | solidfire | - | Yes |
| Application | netapp | steelstore_cloud_integrated_storage | - | Yes |
| Hardware | netapp | hci_compute_node | - | Yes |
| Operating System | netapp | h300s_firmware | - | Yes |
| Hardware | netapp | h300s | - | No |
| Operating System | netapp | h500s_firmware | - | Yes |
| Hardware | netapp | h500s | - | No |
| Operating System | netapp | h700s_firmware | - | Yes |
| Hardware | netapp | h700s | - | No |
| Operating System | netapp | h300e_firmware | - | Yes |
| Hardware | netapp | h300e | - | No |
| Operating System | netapp | h500e_firmware | - | Yes |
| Hardware | netapp | h500e | - | No |
| Operating System | netapp | h700e_firmware | - | Yes |
| Hardware | netapp | h700e | - | No |
| Operating System | netapp | h410s_firmware | - | Yes |
| Hardware | netapp | h410s | - | No |
| Operating System | netapp | h410c_firmware | - | Yes |
| Hardware | netapp | h410c | - | No |
| Operating System | netapp | h610c_firmware | - | Yes |
| Hardware | netapp | h610c | - | No |
| Operating System | netapp | h610s_firmware | - | Yes |
| Hardware | netapp | h610s | - | No |
| Operating System | netapp | h615c_firmware | - | Yes |
| Hardware | netapp | h615c | - | No |
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.