vulnerability
Ubuntu: (CVE-2023-6238): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:M/C:C/I:C/A:C) | Nov 21, 2023 | Jun 26, 2025 | Mar 27, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
Nov 21, 2023
Added
Jun 26, 2025
Modified
Mar 27, 2026
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.
Solution
no-fix-ubuntu-package
References
- CVE-2023-6238
- https://attackerkb.com/topics/CVE-2023-6238
- CWE-120
- EUVD-EUVD-2023-58484
- https://access.redhat.com/security/cve/CVE-2023-6238
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-58484
- https://lore.kernel.org/linux-nvme/[email protected]/T/#u
- https://lore.kernel.org/linux-nvme/[email protected]/T/#u
- https://www.cve.org/CVERecord?id=CVE-2023-6238
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