{"id":"CVE-2026-31768","summary":"iio: adc: ti-adc161s626: use DMA-safe memory for spi_read()","details":"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.","modified":"2026-05-18T05:59:54.391291069Z","published":"2026-05-01T14:14:57.971Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31768.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/014c6d27878d3883f7bb065610768fd021de1a96"},{"type":"WEB","url":"https://git.kernel.org/stable/c/67b3a91bdc48220bfb67155ab528121b9c822782"},{"type":"WEB","url":"https://git.kernel.org/stable/c/768461517a28d80fe81ea4d5d03a90cd184ea6ad"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b3bb8faeca1a2ef7be95ee8a512b639f9ffce947"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d2d031b0786ea66ab0577c9d2d71435068d32199"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fa64aab25aba47296aa8d12bb4c88ec3fecb2054"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31768.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31768"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4d671b71beefbfc145b971a11e0c3cabde94b673"},{"fixed":"b3bb8faeca1a2ef7be95ee8a512b639f9ffce947"},{"fixed":"fa64aab25aba47296aa8d12bb4c88ec3fecb2054"},{"fixed":"67b3a91bdc48220bfb67155ab528121b9c822782"},{"fixed":"014c6d27878d3883f7bb065610768fd021de1a96"},{"fixed":"d2d031b0786ea66ab0577c9d2d71435068d32199"},{"fixed":"768461517a28d80fe81ea4d5d03a90cd184ea6ad"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31768.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.9.0"},{"fixed":"6.1.168"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.134"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.81"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.22"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31768.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}