CVE-2023-6121
Public on 2023-11-16
Modified on 2024-02-27
Description
An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This flaw allows a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data to be printed (and potentially leaked) to the kernel ring buffer (dmesg).
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | Not Affected | ||
| Amazon Linux 2 - Core | kernel | Pending Fix | ||
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2024-01-05 | ALAS2KERNEL-5.10-2024-045 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2024-01-19 | ALAS2KERNEL-5.10-2024-047 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2024-01-05 | ALAS2KERNEL-5.15-2024-033 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2024-01-19 | ALAS2KERNEL-5.15-2024-035 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2024-01-03 | ALAS2KERNEL-5.4-2024-057 | Fixed |
| Amazon Linux 2023 | kernel | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | CVSSv3 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |