CVE-2023-53567
Published: October 7, 2025Last modified: October 7, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: spi: qup: Don't skip cleanup in remove's error path Returning early in a platform driver's remove callback is wrong. In this case the dma resources are not released in the error path. this is never retried later and so this is a permanent leak. To fix this, only skip hardware disabling if waking the device fails.
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 | Not affected (6.1.33-r0) |
| 25 LTS | linux-lts | Not affected (6.6.89-r0) | |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/2d0f63077f481f11a07f20eab1c1f4367dfaef32
- https://git.kernel.org/stable/c/49c17fccae36505550c9121891722fff337f148a
- https://git.kernel.org/stable/c/55ecdcd12bc176b86fecbcb125ac814ac8fe857a
- https://git.kernel.org/stable/c/61f49171a43ab1f80c73c5c88c508770c461e0f2
- https://git.kernel.org/stable/c/8632384337038b97910c2f7bb5a3f377aa68d001
- https://git.kernel.org/stable/c/bc88243bbe6140d289bb32b4ee4607ba5ce1124a
- https://git.kernel.org/stable/c/f345d4d71e87d878437417ffbb9a7d4e16d235eb
- https://git.kernel.org/stable/c/fd53f41bd86daa39b454fd4637a908ff2123547f