In the Linux kernel, the following vulnerability has been resolved: net_sched: keep alloc_hash updated after hash allocation In commit 599be01ee567 ("net_sched: fix an OOB access in cls_tcindex") I moved cp->hash calculation before the first tcindex_alloc_perfect_hash(), but cp->alloc_hash is left untouched. This difference could lead to another out of bound access. cp->alloc_hash should always be the size allocated, we should update it after this tcindex_alloc_perfect_hash().
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.1, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), and availability (service disruption) for affected systems. Impacting 1 product from linux organizations running these solutions should prioritize assessment and patching.
Reported in 2025, 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.
2025-05-07T14:15:28.513
2025-11-10T17:34:55.777
Analyzed
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSSv3.1: 7.1 (HIGH)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | linux | linux_kernel | < 4.4.218 | Yes |
| Operating System | linux | linux_kernel | < 4.9.218 | Yes |
| Operating System | linux | linux_kernel | < 4.14.175 | Yes |
| Operating System | linux | linux_kernel | < 4.19.114 | Yes |
| Operating System | linux | linux_kernel | < 5.4.29 | Yes |
| Operating System | linux | linux_kernel | < 5.5.14 | Yes |
| Operating System | linux | linux_kernel | 5.6 | Yes |
| Operating System | linux | linux_kernel | 5.6 | Yes |
| Operating System | linux | linux_kernel | 5.6 | Yes |
| Operating System | linux | linux_kernel | 5.6 | Yes |
| Operating System | linux | linux_kernel | 5.6 | Yes |
| Operating System | linux | linux_kernel | 5.6 | Yes |
| Operating System | linux | linux_kernel | 5.6 | 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.