CVE-2021-4135
Public on 2022-01-06
Modified on 2022-01-06
Description
A flaw memory leak in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-01-26 | ALAS2KERNEL-5.10-2022-009 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-26 | ALAS2KERNEL-5.4-2022-021 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |