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CVE-2026-46007

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CVE-2026-46007

Published: May 27, 2026

Modified: May 27, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (powerz) Avoid cacheline sharing for DMA buffer Depending on the architecture the transfer buffer may share a cacheline with the following mutex. As the buffer may be used for DMA, that is problematic. Use the high-level DMA helpers to make sure that cacheline sharing can not happen. Also drop the comment, as the helpers are documentation enough. https://sashiko.dev/#/message/20260408175814.934BFC19421%40smtp.kernel.org

VendorProductVersions

Linux

Linux

affected
4381a36abdf1c5c0323c1c51f869dc000115eb20 - < 270e5c576a6e30f6b337fa91d35b44c241297533
affected
4381a36abdf1c5c0323c1c51f869dc000115eb20 - < 1869da3efe703b016b23d4885f3fe6c1751959c6
affected
4381a36abdf1c5c0323c1c51f869dc000115eb20 - < 2fa2273016a0483217404cfe330967c4ac6832a9
affected
4381a36abdf1c5c0323c1c51f869dc000115eb20 - < 3023c050af3600bf451153335dea5e073c9a3088

Linux

Linux

affected
6.7
unaffected
0 - < 6.7
unaffected
6.12.88 - <= 6.12.*
unaffected
6.18.30 - <= 6.18.*
unaffected
7.0.4 - <= 7.0.*

+1 more versions

References

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