CVE-2023-52840
Published: May 23, 2024Last modified: May 23, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - fix use after free in rmi_unregister_function() The put_device() calls rmi_release_function() which frees "fn" so the dereference on the next line "fn->num_of_irqs" is a use after free. Move the put_device() to the end to fix this.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.68-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/2f236d8638f5b43e0c72919a6a27fe286c32053f
- https://git.kernel.org/stable/c/303766bb92c5c225cf40f9bbbe7e29749406e2f2
- https://git.kernel.org/stable/c/50d12253666195a14c6cd2b81c376e2dbeedbdff
- https://git.kernel.org/stable/c/6c71e065befb2fae8f1461559b940c04e1071bd5
- https://git.kernel.org/stable/c/7082b1fb5321037bc11ba1cf2d7ed23c6b2b521f
- https://git.kernel.org/stable/c/c8e639f5743cf4b01f8c65e0df075fe4d782b585
- https://git.kernel.org/stable/c/cc56c4d17721dcb10ad4e9c9266e449be1462683
- https://git.kernel.org/stable/c/eb988e46da2e4eae89f5337e047ce372fe33d5b1