CVE-2022-34918
Public on 2022-07-04
Modified on 2023-06-23
Description
A heap buffer overflow flaw was found in the Linux kernel’s Netfilter subsystem in the way a user provides incorrect input of the NFT_DATA_VERDICT type. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2023-06-21 | ALAS-2023-1773 | Fixed |
| Amazon Linux 2 - Core | kernel | 2023-06-21 | ALAS2-2023-2100 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-07-19 | ALAS2KERNEL-5.10-2022-018 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2022-07-19 | ALAS2KERNEL-5.15-2022-005 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-08-15 | ALAS2KERNEL-5.4-2022-034 | Fixed |
| Amazon Linux 2023 | kernel | 2023-02-17 | ALAS2023-2023-070 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.109-104.500 | 2022-07-19 | ALAS2LIVEPATCH-2022-087 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.112-108.499 | 2022-07-19 | ALAS2LIVEPATCH-2022-088 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.118-111.515 | 2022-07-19 | ALAS2LIVEPATCH-2022-089 | Fixed |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.126-117.518 | 2022-07-19 | ALAS2LIVEPATCH-2022-090 | 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 | CVSSv2 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
| NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |