CVE-2023-53610
Published: October 7, 2025Last modified: October 7, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: irqchip: Fix refcount leak in platform_irqchip_probe of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak.
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/4401b485855700f296cae4d0db36a52948bff4fa
- https://git.kernel.org/stable/c/6caa5a2b78f5f53c433d3a3781e53325da22f0ac
- https://git.kernel.org/stable/c/b00baffcc2561374f8fe8af873d00531f19864eb
- https://git.kernel.org/stable/c/c32fb16331f612e66a7fa8930164e0dc15725b72
- https://git.kernel.org/stable/c/ea54b608d85b7536f92238f3259730fa06cb5d21