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
| Link | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-6238 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2250834 | Issue Tracking Third Party Advisory |
Configurations
History
06 Feb 2024, 18:53
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 6.7 |
06 Feb 2024, 12:15
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | 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. |
29 Nov 2023, 02:31
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.8 |
| First Time |
Fedoraproject fedora
Fedoraproject Linux linux Kernel Linux |
|
| CWE | CWE-120 | |
| References | () https://access.redhat.com/security/cve/CVE-2023-6238 - Third Party Advisory | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=2250834 - Issue Tracking, Third Party Advisory | |
| CPE | cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* |
21 Nov 2023, 21:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2023-11-21 21:15
Updated : 2024-02-28 20:54
NVD link : CVE-2023-6238
Mitre link : CVE-2023-6238
CVE.ORG link : CVE-2023-6238
JSON object : View
Products Affected
linux
- linux_kernel
fedoraproject
- fedora
CWE
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')