CVE-2020-25672
Public on 2021-04-20
Modified on 2021-07-15
Description
A memory leak in the Linux kernel’s NFC LLCP protocol implementation was found in the way a user triggers the llcp_sock_connect() function. This flaw allows a local user to starve the resources, causing a denial of service.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2021-05-20 | ALAS-2021-1503 | Fixed |
| Amazon Linux 2 - Core | kernel | 2021-04-20 | ALAS2-2021-1627 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-01-20 | ALAS2KERNEL-5.10-2022-001 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-01-12 | ALAS2KERNEL-5.4-2022-003 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Amazon Linux | CVSSv2 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| NVD | CVSSv2 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |