CVE-2024-46756
Published: September 19, 2024Last modified: June 17, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: hwmon: (w83627ehf) Fix underflows seen when writing limit attributes DIV_ROUND_CLOSEST() after kstrtol() results in an underflow if a large negative number such as -9223372036854775808 is provided by the user. Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations.
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 (6.1.110-r0) |
| Stream | linux-lts | Fixed (6.1.110-r0) |
References
- https://git.kernel.org/stable/c/26825b62bd1bd3e53b4f44e0745cb516d5186343
- https://git.kernel.org/stable/c/56cfdeb2c77291f0b5e4592731adfb6ca8fc7c24
- https://git.kernel.org/stable/c/5c1de37969b7bc0abcb20b86e91e70caebbd4f89
- https://git.kernel.org/stable/c/77ab0fd231c4ca873ec6908e761970360acc6df2
- https://git.kernel.org/stable/c/8fecb75bff1b7d87a071c32a37aa0700f2be379d
- https://git.kernel.org/stable/c/93cf73a7bfdce683bde3a7bb65f270d3bd24497b
- https://git.kernel.org/stable/c/cc4be794c8d8c253770103e097ab9dbdb5f99ae1
- https://git.kernel.org/stable/c/d92f0baf99a7e327dcceab37cce57c38aab1f691