CVE-2024-46756: hwmon: (w83627ehf) Fix underflows seen when writing limit attributes
First published: Wed Sep 18 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <4.19.322 | |
| Linux Linux kernel | >=4.20<5.4.284 | |
| Linux Linux kernel | >=5.5<5.10.226 | |
| Linux Linux kernel | >=5.11<5.15.167 | |
| Linux Linux kernel | >=5.16<6.1.110 | |
| Linux Linux kernel | >=6.2<6.6.51 | |
| Linux Linux kernel | >=6.7<6.10.10 | |
| debian/linux | <=5.10.223-1 | 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 |
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Reference Links
- 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
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-46756
- https://nvd.nist.gov/vuln/detail/CVE-2024-46756
- https://launchpad.net/bugs/cve/CVE-2024-46756
- https://security-tracker.debian.org/tracker/CVE-2024-46756
- https://ubuntu.com/security/CVE-2024-46756
- https://git.kernel.org/linus/5c1de37969b7bc0abcb20b86e91e70caebbd4f89
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