CVE-2026-64380
Public on 2026-07-25
Modified on 2026-08-03
Description
In the Linux kernel, the following vulnerability has been resolved:
smb: client: harden POSIX SID length parsing
smb: client: harden POSIX SID length parsing
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2026-08-17 | ALAS2KERNEL-5.10-2026-129 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | Pending Fix | ||
| Amazon Linux 2 - Core | kernel | Not Affected | ||
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | Not Affected | ||
| Amazon Linux 2023 | kernel | 2026-08-17 | ALAS2023-2026-2058 | Fixed |
| Amazon Linux 2023 | kernel6.12 | 2026-08-17 | ALAS2023-2026-2057 | Fixed |
| Amazon Linux 2023 | kernel6.18 | 2026-08-17 | ALAS2023-2026-2045 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |