| 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-2024-50232: iio: adc: ad7124: fix division by zero in ad7124_set_channel_odr() |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| iio: adc: ad7124: fix division by zero in ad7124_set_channel_odr() |
| |
| In the ad7124_write_raw() function, parameter val can potentially |
| be zero. This may lead to a division by zero when DIV_ROUND_CLOSEST() |
| is called within ad7124_set_channel_odr(). The ad7124_write_raw() |
| function is invoked through the sequence: iio_write_channel_raw() -> |
| iio_write_channel_attribute() -> iio_channel_write(), with no checks |
| in place to ensure val is non-zero. |
| |
| The Linux kernel CVE team has assigned CVE-2024-50232 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 5.13 with commit 7b8d045e497a04dd88546da51f34fa3b102778d2 and fixed in 5.15.171 with commit 4f588fffc307a4bc2761aee6ff275bb4b433e451 |
| Issue introduced in 5.13 with commit 7b8d045e497a04dd88546da51f34fa3b102778d2 and fixed in 6.1.116 with commit f51343f346e6abde094548a7fb34472b0d4cae91 |
| Issue introduced in 5.13 with commit 7b8d045e497a04dd88546da51f34fa3b102778d2 and fixed in 6.6.60 with commit 3dc0eda2cd5c653b162852ae5f0631bfe4ca5e95 |
| Issue introduced in 5.13 with commit 7b8d045e497a04dd88546da51f34fa3b102778d2 and fixed in 6.11.7 with commit 0ac0beb4235a9a474f681280a3bd4e2a5bb66569 |
| Issue introduced in 5.13 with commit 7b8d045e497a04dd88546da51f34fa3b102778d2 and fixed in 6.12 with commit efa353ae1b0541981bc96dbf2e586387d0392baa |
| |
| 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-2024-50232 |
| 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/iio/adc/ad7124.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/4f588fffc307a4bc2761aee6ff275bb4b433e451 |
| https://git.kernel.org/stable/c/f51343f346e6abde094548a7fb34472b0d4cae91 |
| https://git.kernel.org/stable/c/3dc0eda2cd5c653b162852ae5f0631bfe4ca5e95 |
| https://git.kernel.org/stable/c/0ac0beb4235a9a474f681280a3bd4e2a5bb66569 |
| https://git.kernel.org/stable/c/efa353ae1b0541981bc96dbf2e586387d0392baa |
