CVE-2023-6238
Kernel: nvme: memory corruption via unprivileged user passthrough
- State
- Published
- Severity
- 6.7 Medium
- Published
- Nov 21, 2023
- Updated
- Oct 17, 2024
- Reserved
- Nov 21, 2023
Description
A buffer overflow vulnerability was found in the NVM Express (NVMe) driver in the Linux kernel. Only privileged user could specify a small meta buffer and let the device perform larger Direct Memory Access (DMA) into the same buffer, overwriting unrelated kernel memory, causing random kernel crashes and memory corruption.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.7 Medium | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | redhat |
Weaknesses
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected Products
| Product | Versions |
|---|---|
kerneln/a | |
Red Hat Enterprise Linux 6Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
FedoraFedora |
References
- https://access.redhat.com/security/cve/CVE-2023-6238vdb-entry
- RHBZ#2250834issue-tracking
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