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.
Problem types
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Product status
Timeline
2023-10-25: | Reported to Red Hat. |
2023-10-13: | Made public. |
References
access.redhat.com/security/cve/CVE-2023-6238
bugzilla.redhat.com/show_bug.cgi?id=2250834 (RHBZ#2250834)