{"id":"CVE-2025-37977","title":"scsi: ufs: exynos: Disable iocc if dma-coherent property isn't set","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: exynos: Disable iocc if dma-coherent property isn't set\n\nIf dma-coherent property isn't set then descriptors are non-cacheable\nand the iocc shareability bits…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= cc52e15397cc5dc773d3c6792b98352d3209f93f < b101fc9ac18d1ac434b703839a5117342a591792","Linux >= cc52e15397cc5dc773d3c6792b98352d3209f93f < 869749e48115ef944eeabec8e84138908471fa51","Linux >= cc52e15397cc5dc773d3c6792b98352d3209f93f < f0c6728a6f2e269ebb234a9b5bb6c2c24aafeb51","Linux >= cc52e15397cc5dc773d3c6792b98352d3209f93f < f92bb7436802f8eb7ee72dc911a33c8897fde366","Linux 5.16"],"published":"2025-05-20","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:36:36.163Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-37977","references":[{"url":"https://git.kernel.org/stable/c/b101fc9ac18d1ac434b703839a5117342a591792"},{"url":"https://git.kernel.org/stable/c/869749e48115ef944eeabec8e84138908471fa51"},{"url":"https://git.kernel.org/stable/c/f0c6728a6f2e269ebb234a9b5bb6c2c24aafeb51"},{"url":"https://git.kernel.org/stable/c/f92bb7436802f8eb7ee72dc911a33c8897fde366"}],"tags":["cve.org"],"epss":0.00255,"epssPercentile":0.16965,"ingestedAt":"2026-10-21T12:48:53.710Z","slug":"CVE-2025-37977","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: exynos: Disable iocc if dma-coherent property isn't set\n\nIf dma-coherent property isn't set then descriptors are non-cacheable\nand the iocc shareability bits should be disabled. Without this UFS can\nend up in an incompatible configuration and suffer from random cache\nrelated stability issues.\n\n## Affected\n\n- `Linux >= cc52e15397cc5dc773d3c6792b98352d3209f93f < b101fc9ac18d1ac434b703839a5117342a591792`\n- `Linux >= cc52e15397cc5dc773d3c6792b98352d3209f93f < 869749e48115ef944eeabec8e84138908471fa51`\n- `Linux >= cc52e15397cc5dc773d3c6792b98352d3209f93f < f0c6728a6f2e269ebb234a9b5bb6c2c24aafeb51`\n- `Linux >= cc52e15397cc5dc773d3c6792b98352d3209f93f < f92bb7436802f8eb7ee72dc911a33c8897fde366`\n- `Linux 5.16`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}