{"id":"CVE-2026-31768","revision":"44d94123edf24207a7f135ced20773f4","records":[{"revision":"44d94123edf24207a7f135ced20773f4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-31768","aliases":[],"title":"iio: adc: ti-adc161s626: use DMA-safe memory for spi_read()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: ti-adc161s626: use DMA-safe memory for spi_read()\n\nAdd a DMA-safe buffer and use it for spi_read() instead of a stack\nmemory. All SPI buffers must be DMA-safe.\n\nSince we only need up to 3 bytes, we just use a u8[] instead of __be16\nand __be32 and change the conversion functions appropriately.","state":0,"publishedAt":"2026-05-01T14:14:57.971+00:00","modifiedAt":"2026-10-15T01:18:15.322+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/iio/adc/ti-adc161s626.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4d671b71beefbfc145b971a11e0c3cabde94b673\",\n                            \"lessThan\": \"b3bb8faeca1a2ef7be95ee8a512b639f9ffce947\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d671b71beefbfc145b971a11e0c3cabde94b673\",\n                            \"lessThan\": \"fa64aab25aba47296aa8d12bb4c88ec3fecb2054\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d671b71beefbfc145b971a11e0c3cabde94b673\",\n                            \"lessThan\": \"67b3a91bdc48220bfb67155ab528121b9c822782\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d671b71beefbfc145b971a11e0c3cabde94b673\",\n                            \"lessThan\": \"014c6d27878d3883f7bb065610768fd021de1a96\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d671b71beefbfc145b971a11e0c3cabde94b673\",\n                            \"lessThan\": \"d2d031b0786ea66ab0577c9d2d71435068d32199\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4d671b71beefbfc145b971a11e0c3cabde94b673\",\n                            \"lessThan\": \"768461517a28d80fe81ea4d5d03a90cd184ea6ad\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/iio/adc/ti-adc161s626.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.168\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.134\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.81\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.22\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19.12\",\n                            \"lessThanOrEqual\": \"6.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/b3bb8faeca1a2ef7be95ee8a512b639f9ffce947","https://git.kernel.org/stable/c/fa64aab25aba47296aa8d12bb4c88ec3fecb2054","https://git.kernel.org/stable/c/67b3a91bdc48220bfb67155ab528121b9c822782","https://git.kernel.org/stable/c/014c6d27878d3883f7bb065610768fd021de1a96","https://git.kernel.org/stable/c/d2d031b0786ea66ab0577c9d2d71435068d32199","https://git.kernel.org/stable/c/768461517a28d80fe81ea4d5d03a90cd184ea6ad"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31768","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-31768","identifiers":["CVE-2026-31768"]},"retained":false,"historicalAffected":[]}],"coverage":[]}