{"id":"CVE-2026-46255","state":"PUBLISHED","title":"dmaengine: fsl-edma: don't explicitly disable clocks in .remove()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: fsl-edma: don't explicitly disable clocks in .remove()\n\nThe clocks in fsl_edma_engine::muxclk are allocated and enabled with\ndevm_clk_get_enabled(), which automatically cleans these resources up,\nbut these clocks are also manually disabled in fsl_edma_remove(). This\ncauses warnings on driver removal for each clock:\n\n        edma_module already disabled\n        WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1200 clk_core_disable+0x198/0x1c8\n        [...]\n        Call trace:\n         clk_core_disable+0x198/0x1c8 (P)\n         clk_disable+0x34/0x58\n         fsl_edma_remove+0x74/0xe8 [fsl_edma]\n         [...]\n        ---[ end trace 0000000000000000 ]---\n        edma_module already unprepared\n        WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1059 clk_core_unprepare+0x1f8/0x220\n        [...]\n        Call trace:\n         clk_core_unprepare+0x1f8/0x220 (P)\n         clk_unprepare+0x34/0x58\n         fsl_edma_remove+0x7c/0xe8 [fsl_edma]\n         [...]\n        ---[ end trace 0000000000000000 ]---\n\nFix these warnings by removing the unnecessary fsl_disable_clocks() call\nin fsl_edma_remove().","publishedAt":"2026-06-03T15:49:52.091Z","updatedAt":"2026-06-03T15:49:52.091Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"533d495f15e4c88ad5246c7f90ae026702e28d75","versionType":"git"},{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"68feac21bd4de7ae4faba05704c404861d991fcf","versionType":"git"},{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"bda244871179543dd3be7d093236cb33b2fb1765","versionType":"git"},{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"b84dba68c4823da452cec99a5d213571a65d06de","versionType":"git"},{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"666c53e94c1d0bf0bdf14c49505ece9ddbe725bc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/fsl-edma-main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/fsl-edma-main.c"]}],"references":["https://git.kernel.org/stable/c/533d495f15e4c88ad5246c7f90ae026702e28d75","https://git.kernel.org/stable/c/68feac21bd4de7ae4faba05704c404861d991fcf","https://git.kernel.org/stable/c/bda244871179543dd3be7d093236cb33b2fb1765","https://git.kernel.org/stable/c/b84dba68c4823da452cec99a5d213571a65d06de","https://git.kernel.org/stable/c/666c53e94c1d0bf0bdf14c49505ece9ddbe725bc"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46255.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46255","state":"PUBLISHED","datePublished":"2026-06-03T15:49:52.091Z","dateUpdated":"2026-06-03T15:49:52.091Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.107Z"},"containers":{"cna":{"title":"dmaengine: fsl-edma: don't explicitly disable clocks in .remove()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: fsl-edma: don't explicitly disable clocks in .remove()\n\nThe clocks in fsl_edma_engine::muxclk are allocated and enabled with\ndevm_clk_get_enabled(), which automatically cleans these resources up,\nbut these clocks are also manually disabled in fsl_edma_remove(). This\ncauses warnings on driver removal for each clock:\n\n        edma_module already disabled\n        WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1200 clk_core_disable+0x198/0x1c8\n        [...]\n        Call trace:\n         clk_core_disable+0x198/0x1c8 (P)\n         clk_disable+0x34/0x58\n         fsl_edma_remove+0x74/0xe8 [fsl_edma]\n         [...]\n        ---[ end trace 0000000000000000 ]---\n        edma_module already unprepared\n        WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1059 clk_core_unprepare+0x1f8/0x220\n        [...]\n        Call trace:\n         clk_core_unprepare+0x1f8/0x220 (P)\n         clk_unprepare+0x34/0x58\n         fsl_edma_remove+0x7c/0xe8 [fsl_edma]\n         [...]\n        ---[ end trace 0000000000000000 ]---\n\nFix these warnings by removing the unnecessary fsl_disable_clocks() call\nin fsl_edma_remove()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"533d495f15e4c88ad5246c7f90ae026702e28d75","versionType":"git"},{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"68feac21bd4de7ae4faba05704c404861d991fcf","versionType":"git"},{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"bda244871179543dd3be7d093236cb33b2fb1765","versionType":"git"},{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"b84dba68c4823da452cec99a5d213571a65d06de","versionType":"git"},{"version":"a9903de3aa16731846bf924342eca44bdabe9be6","status":"affected","lessThan":"666c53e94c1d0bf0bdf14c49505ece9ddbe725bc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/fsl-edma-main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/fsl-edma-main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/533d495f15e4c88ad5246c7f90ae026702e28d75"},{"url":"https://git.kernel.org/stable/c/68feac21bd4de7ae4faba05704c404861d991fcf"},{"url":"https://git.kernel.org/stable/c/bda244871179543dd3be7d093236cb33b2fb1765"},{"url":"https://git.kernel.org/stable/c/b84dba68c4823da452cec99a5d213571a65d06de"},{"url":"https://git.kernel.org/stable/c/666c53e94c1d0bf0bdf14c49505ece9ddbe725bc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-03T15:49:52.091Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}