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.
References (2)
Core 2
Core References
Third Party Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-6238
Issue Tracking, Third Party Advisory issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2250834
Scores
CVSS v3
6.7
EPSS
0.0001
EPSS Percentile
3.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-120
Status
published
Products (2)
fedoraproject/fedora
38
linux/linux_kernel
Published
Nov 21, 2023
Tracked Since
Feb 18, 2026