{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46007","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.092Z","datePublished":"2026-05-27T12:56:06.623Z","dateUpdated":"2026-06-14T17:47:37.205Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:47:37.205Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (powerz) Avoid cacheline sharing for DMA buffer\n\nDepending on the architecture the transfer buffer may share a cacheline\nwith the following mutex. As the buffer may be used for DMA, that is\nproblematic.\n\nUse the high-level DMA helpers to make sure that cacheline sharing can\nnot happen.\n\nAlso drop the comment, as the helpers are documentation enough.\n\nhttps://sashiko.dev/#/message/20260408175814.934BFC19421%40smtp.kernel.org"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hwmon/powerz.c"],"versions":[{"version":"4381a36abdf1c5c0323c1c51f869dc000115eb20","lessThan":"270e5c576a6e30f6b337fa91d35b44c241297533","status":"affected","versionType":"git"},{"version":"4381a36abdf1c5c0323c1c51f869dc000115eb20","lessThan":"1869da3efe703b016b23d4885f3fe6c1751959c6","status":"affected","versionType":"git"},{"version":"4381a36abdf1c5c0323c1c51f869dc000115eb20","lessThan":"2fa2273016a0483217404cfe330967c4ac6832a9","status":"affected","versionType":"git"},{"version":"4381a36abdf1c5c0323c1c51f869dc000115eb20","lessThan":"3023c050af3600bf451153335dea5e073c9a3088","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hwmon/powerz.c"],"versions":[{"version":"6.7","status":"affected"},{"version":"0","lessThan":"6.7","status":"unaffected","versionType":"semver"},{"version":"6.12.88","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.30","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.4","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.18.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/270e5c576a6e30f6b337fa91d35b44c241297533"},{"url":"https://git.kernel.org/stable/c/1869da3efe703b016b23d4885f3fe6c1751959c6"},{"url":"https://git.kernel.org/stable/c/2fa2273016a0483217404cfe330967c4ac6832a9"},{"url":"https://git.kernel.org/stable/c/3023c050af3600bf451153335dea5e073c9a3088"}],"title":"hwmon: (powerz) Avoid cacheline sharing for DMA buffer","x_generator":{"engine":"bippy-1.2.0"}}}}