CVE-2026-63900
Published: July 22, 2026Last modified: July 22, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspan: fix missing indat transfer sanity check Add the missing sanity check on the size of usa49wg indat transfers to avoid parsing stale or uninitialised slab data.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.177-r0) |
| 25 LTS | linux-lts | Fixed (6.12.95-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/0bde5431037a076ff3750da2165fd77a6f5ff058
- https://git.kernel.org/stable/c/3759a40738b83bb61699c85f063202b514b94f77
- https://git.kernel.org/stable/c/41d9673941eebdde62ee73848fcfe4ae1105c979
- https://git.kernel.org/stable/c/ab8336a7e414f018430aa1af3a46944032f7ff96
- https://git.kernel.org/stable/c/bd6c5fe59f374b63173afe5cf0ab38a9a370f2c1
- https://git.kernel.org/stable/c/e124120e89b61a967e40dee6b5e1ecafc45c09d9
- https://git.kernel.org/stable/c/ea2b792330b44b6d7ce671c3e1d59d0c121f7ed1
- https://git.kernel.org/stable/c/f7f566ad7519c7ca3bc9071350002940a2b0e22a