CVE-2022-1012
Public on 2022-06-30
Modified on 2022-08-05
Description
Due to the small table perturb size, a memory leak flaw was found in the Linux kernel’s TCP source port generation algorithm in the net/ipv4/tcp.c function. This flaw allows an attacker to leak information and may cause a denial of service.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2022-06-30 | ALAS-2022-1604 | Fixed |
| Amazon Linux 2 - Core | kernel | 2022-07-06 | ALAS2-2022-1813 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-06-30 | ALAS2KERNEL-5.10-2022-015 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-06-30 | ALAS2KERNEL-5.4-2022-028 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
| NVD | CVSSv3 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |