{"id":"CVE-2026-68258","title":"drm/amdkfd: Check bounds on CRIU restore queue type and mqd size","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Check bounds on CRIU restore queue type and mqd size\n\nWe weren't checking whether the values provided in the private\ndata in kfd CRIU restore were within bo…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 42c6c48214b726c30918e8dc80e2168607d13ae4 < fd1691ec62701c982ea32e749678988c67fd4c21","Linux >= 42c6c48214b726c30918e8dc80e2168607d13ae4 < cc10a5839756982504ee8568fc1e1625962ab7f8","Linux >= 42c6c48214b726c30918e8dc80e2168607d13ae4 < 47ea05f246bebc81c7796f56265cffd812cf0601","Linux 5.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T15:46:19.338740Z"},"published":"2026-08-10","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:53:05.177Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68258","references":[{"url":"https://git.kernel.org/stable/c/fd1691ec62701c982ea32e749678988c67fd4c21"},{"url":"https://git.kernel.org/stable/c/cc10a5839756982504ee8568fc1e1625962ab7f8"},{"url":"https://git.kernel.org/stable/c/47ea05f246bebc81c7796f56265cffd812cf0601"}],"tags":["cve.org"],"epss":0.00129,"epssPercentile":0.0226,"ingestedAt":"2026-10-16T17:24:46.852Z","slug":"CVE-2026-68258","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Check bounds on CRIU restore queue type and mqd size\n\nWe weren't checking whether the values provided in the private\ndata in kfd CRIU restore were within bounds.\n\nFor queue type, add a KFD_QUEUE_TYPE_MAX and ensure the provided\ntype is less than it.\n\nFor mqd_size, add new function mqd_size_from_queue_type and confirm\nthat the provided mqd_size matches expectations.\n\n(cherry picked from commit f19d8086f6644083c913d70bfdeee20e1b6f46a5)\n\n## Affected\n\n- `Linux >= 42c6c48214b726c30918e8dc80e2168607d13ae4 < fd1691ec62701c982ea32e749678988c67fd4c21`\n- `Linux >= 42c6c48214b726c30918e8dc80e2168607d13ae4 < cc10a5839756982504ee8568fc1e1625962ab7f8`\n- `Linux >= 42c6c48214b726c30918e8dc80e2168607d13ae4 < 47ea05f246bebc81c7796f56265cffd812cf0601`\n- `Linux 5.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}