| From bippy-5f407fcff5a0 Mon Sep 17 00:00:00 2001 |
| From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| To: <linux-cve-announce@vger.kernel.org> |
| Reply-to: <cve@kernel.org>, <linux-kernel@vger.kernel.org> |
| Subject: CVE-2024-46756: hwmon: (w83627ehf) Fix underflows seen when writing limit attributes |
| |
| 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. |
| |
| The Linux kernel CVE team has assigned CVE-2024-46756 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Fixed in 4.19.322 with commit 93cf73a7bfdce683bde3a7bb65f270d3bd24497b |
| Fixed in 5.4.284 with commit 77ab0fd231c4ca873ec6908e761970360acc6df2 |
| Fixed in 5.10.226 with commit 56cfdeb2c77291f0b5e4592731adfb6ca8fc7c24 |
| Fixed in 5.15.167 with commit cc4be794c8d8c253770103e097ab9dbdb5f99ae1 |
| Fixed in 6.1.110 with commit d92f0baf99a7e327dcceab37cce57c38aab1f691 |
| Fixed in 6.6.51 with commit 8fecb75bff1b7d87a071c32a37aa0700f2be379d |
| Fixed in 6.10.10 with commit 26825b62bd1bd3e53b4f44e0745cb516d5186343 |
| Fixed in 6.11 with commit 5c1de37969b7bc0abcb20b86e91e70caebbd4f89 |
| |
| Please see https://www.kernel.org for a full list of currently supported |
| kernel versions by the kernel community. |
| |
| Unaffected versions might change over time as fixes are backported to |
| older supported kernel versions. The official CVE entry at |
| https://cve.org/CVERecord/?id=CVE-2024-46756 |
| will be updated if fixes are backported, please check that for the most |
| up to date information about this issue. |
| |
| |
| Affected files |
| ============== |
| |
| The file(s) affected by this issue are: |
| drivers/hwmon/w83627ehf.c |
| |
| |
| Mitigation |
| ========== |
| |
| The Linux kernel CVE team recommends that you update to the latest |
| stable kernel version for this, and many other bugfixes. Individual |
| changes are never tested alone, but rather are part of a larger kernel |
| release. Cherry-picking individual commits is not recommended or |
| supported by the Linux kernel community at all. If however, updating to |
| the latest release is impossible, the individual changes to resolve this |
| issue can be found at these commits: |
| https://git.kernel.org/stable/c/93cf73a7bfdce683bde3a7bb65f270d3bd24497b |
| https://git.kernel.org/stable/c/77ab0fd231c4ca873ec6908e761970360acc6df2 |
| https://git.kernel.org/stable/c/56cfdeb2c77291f0b5e4592731adfb6ca8fc7c24 |
| https://git.kernel.org/stable/c/cc4be794c8d8c253770103e097ab9dbdb5f99ae1 |
| https://git.kernel.org/stable/c/d92f0baf99a7e327dcceab37cce57c38aab1f691 |
| https://git.kernel.org/stable/c/8fecb75bff1b7d87a071c32a37aa0700f2be379d |
| https://git.kernel.org/stable/c/26825b62bd1bd3e53b4f44e0745cb516d5186343 |
| https://git.kernel.org/stable/c/5c1de37969b7bc0abcb20b86e91e70caebbd4f89 |
