CVE-2023-6238
Last modified
CVE-2023-6238 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | All versions |
| Fedoraproject | Fedora | 38 |
References
- https://access.redhat.com/security/cve/CVE-2023-6238Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2250834Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-6238Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2250834Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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