{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "9ae55f030dc523fc4dc6069557e4a887ea815453"
            },
            {
              "fixed": "bc7760c107dc08ef3e231d72c492e67b0a86848b"
            },
            {
              "fixed": "e23602eb0779760544314ed3905fa6a89a4e4070"
            },
            {
              "fixed": "138e42be35ff2ce6572ae744de851ea286cf3c69"
            },
            {
              "fixed": "39820864eacd886f1a6f817414fb8f9ea3e9a2b4"
            },
            {
              "fixed": "42d248726a0837640452b71c5a202ca3d35239ec"
            },
            {
              "fixed": "7150850146ebfa4ca998f653f264b8df6f7f85be"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "6.1.168"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.131"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.80"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.21"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31566.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix fence put before wait in amdgpu_amdkfd_submit_ib\n\namdgpu_amdkfd_submit_ib() submits a GPU job and gets a fence\nfrom amdgpu_ib_schedule(). This fence is used to wait for job\ncompletion.\n\nCurrently, the code drops the fence reference using dma_fence_put()\nbefore calling dma_fence_wait().\n\nIf dma_fence_put() releases the last reference, the fence may be\nfreed before dma_fence_wait() is called. This can lead to a\nuse-after-free.\n\nFix this by waiting on the fence first and releasing the reference\nonly after dma_fence_wait() completes.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c:697 amdgpu_amdkfd_submit_ib() warn: passing freed memory 'f' (line 696)\n\n(cherry picked from commit 8b9e5259adc385b61a6590a13b82ae0ac2bd3482)",
  "id": "CVE-2026-31566",
  "modified": "2026-07-08T05:39:02.941848755Z",
  "published": "2026-04-24T14:35:46.740Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/138e42be35ff2ce6572ae744de851ea286cf3c69"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/39820864eacd886f1a6f817414fb8f9ea3e9a2b4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/42d248726a0837640452b71c5a202ca3d35239ec"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7150850146ebfa4ca998f653f264b8df6f7f85be"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bc7760c107dc08ef3e231d72c492e67b0a86848b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e23602eb0779760544314ed3905fa6a89a4e4070"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31566.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31566"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "drm/amdgpu: Fix fence put before wait in amdgpu_amdkfd_submit_ib"
}