CVE-2023-42752
Public on 2023-09-19
Modified on 2024-03-01
Description
An integer overflow in kmalloc_reserve() in the Linux kernel may allow a local user to crash the system, or in some cases obtain code execution in kernel space.
Severity
Important
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 | Not Affected | ||
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | Not Affected | ||
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | Not Affected | ||
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | Not Affected | ||
| Amazon Linux 2023 | kernel | 2023-09-27 | ALAS2023-2023-356 | Fixed |
| Amazon Linux 2023 | kernel-livepatch-6.1.49-69.116 | 2023-12-06 | ALAS2023LIVEPATCH-2023-025 | Fixed |
| Amazon Linux 2023 | kernel-livepatch-6.1.49-70.116 | 2023-12-06 | ALAS2023LIVEPATCH-2023-026 | Fixed |
| Amazon Linux 2023 | kernel-livepatch-6.1.52-71.125 | 2023-12-06 | ALAS2023LIVEPATCH-2023-024 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |