CVE-2022-42432
Public on 2023-03-29
Modified on 2024-04-22
Description
This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kernel 6.0-rc2. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the nft_osf_eval function. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-18540.
Severity
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 | 2022-10-17 | ALAS2KERNEL-5.10-2022-021 | Fixed |
Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2022-10-17 | ALAS2KERNEL-5.15-2022-009 | Fixed |
Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2022-10-17 | ALAS2KERNEL-5.4-2022-037 | Fixed |
Amazon Linux 2023 | kernel | Not Affected |
CVSS Scores
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 4.1 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N |
NVD | CVSSv3 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |