A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_SESSION_SETUP commands. The issue results from the lack of control of resource consumption. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
| Version | Score | Severity | Vector String |
|---|---|---|---|
| 3.1 | 7.5 | High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Product | Vendor | Version |
|---|---|---|
| Fedora | Fedora | <= 6.1.* |
| Red Hat Enterprise Linux 6 | Red Hat | < 38d9b07d99b789efb6d8dda21f1aaad636c38993 |
| Red Hat Enterprise Linux 7 | Red Hat | < 2e6871a632a99d9b9e2ce3a7847acabe99e5a26e |
| Red Hat Enterprise Linux 8 | Red Hat | 4.16 |
| Red Hat Enterprise Linux 9 | Red Hat | <= 5.10.* |
| Red Hat Enterprise Linux 8 | Red Hat | < 4.16 |
| Red Hat Enterprise Linux 7 | Red Hat | < 77d48d39e99170b528e4f2e9fc5d1d64cdedd386 |
| Red Hat Enterprise Linux 9 | Red Hat | <= 5.15.* |
| kernel | n/a | < 19fd2f2c5fb36b61506d3208474bfd8fdf1cada3 |