A flaw was found in the Linux kernel's OverlayFS subsystem in the way the user mounts the TmpFS filesystem with OverlayFS. This flaw allows a local user to gain access to hidden files that should not be accessible.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | kernel | 2021-09-30 19:25 | ALAS-2021-1539 |
Amazon Linux 2 - Core | kernel | 2021-09-08 23:35 | ALAS2-2021-1704 |
Amazon Linux 2 - Microvm-kernel-4.14 Extra | microvm-kernel | 2023-09-14 04:27 | ALAS2MICROVM-KERNEL-4.14-2023-003 |
Amazon Linux 2 - Microvm-kernel-4.14 Extra | microvm-kernel | 2023-09-14 04:27 | ALAS2MICROVM-KERNEL-4.14-2023-002 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
NVD | CVSSv2 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
NVD | CVSSv3 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |