CVE-2022-1011
Public on 2022-03-18
Modified on 2022-05-31
Description
A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2022-05-31 | ALAS-2022-1591 | Fixed |
| Amazon Linux 2 - Core | kernel | 2022-05-04 | ALAS2-2022-1793 | Fixed |
| Amazon Linux 2 - Core | kernel | 2024-06-06 | ALAS2-2024-2569 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2022-04-05 | ALAS2KERNEL-5.10-2022-012 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | CVSSv2 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |