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| Vulnerability ID | VCID-n89e-y6eu-4ucf |
| Aliases |
CVE-2023-4128
|
| Summary | kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route |
| Status | Invalid |
| Exploitability | 0.5 |
| Weighted Severity | 7.0 |
| Risk | 3.5 |
| Affected and Fixed Packages | Package Details |
| CWE-416 | Use After Free |
| System | Score | Found at |
|---|---|---|
| cvssv3 | 7.8 | https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4128.json |
| cvssv3.1 | 7.8 | https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
No EPSS data available for this vulnerability.
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2026-04-03T19:00:39.660267+00:00 | NVD CVE Status Improver | Improve | https://cveawg.mitre.org/api/cve/CVE-2023-4128 | 38.1.0 |
| 2026-04-01T13:53:16.213368+00:00 | RedHat Importer | Import | https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4128.json | 38.0.0 |