{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "bac2c6a62ed91ba4f6c7c14a6a40b7c696b35645"
            },
            {
              "fixed": "5e2c196c3430fb94225c4102b1028d0146544761"
            },
            {
              "fixed": "567b5e976e2e15280d78c9ef2add1954a0bbb5b1"
            },
            {
              "fixed": "9f8274749d9010a1a72f97e547b7eb9ebb82345b"
            },
            {
              "fixed": "a184aec790135938b0fadb415e55accd1f8685a0"
            },
            {
              "fixed": "ab871d5882953e5574ae2bc47bec88c2e3d22663"
            },
            {
              "fixed": "5b49a46baa853b26dbefa65c6c75dd9ff69f63d4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.14.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.142"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.92"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.34"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64231.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dsi: don't dump registers past the mapped region\n\nOn DSI 6G platforms the IO address space is internally adjusted by\nio_offset. Later this adjusted address might be used for memory dumping.\nHowever the size that is used for memory dumping isn't adjusted to\naccount for the io_offset, leading to the potential access to the\nunmapped region. Lower ctrl_size by the io_offset value to prevent\naccess past the mapped area.\n\n msm_disp_snapshot_add_block+0x1d4/0x3c8 [msm] (P)\n msm_dsi_host_snapshot+0x4c/0x78 [msm]\n msm_dsi_snapshot+0x28/0x50 [msm]\n msm_disp_snapshot_capture_state+0x74/0x140 [msm]\n msm_disp_snapshot_state_sync+0x60/0x90 [msm]\n _msm_disp_snapshot_work+0x30/0x90 [msm]\n kthread_worker_fn+0xdc/0x460\n kthread+0x120/0x140\n\nPatchwork: https://patchwork.freedesktop.org/patch/721747/",
  "id": "CVE-2026-64231",
  "modified": "2026-07-27T03:56:45.317853441Z",
  "published": "2026-07-24T15:23:13.175Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/567b5e976e2e15280d78c9ef2add1954a0bbb5b1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5b49a46baa853b26dbefa65c6c75dd9ff69f63d4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5e2c196c3430fb94225c4102b1028d0146544761"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9f8274749d9010a1a72f97e547b7eb9ebb82345b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a184aec790135938b0fadb415e55accd1f8685a0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ab871d5882953e5574ae2bc47bec88c2e3d22663"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64231.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64231"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "drm/msm/dsi: don't dump registers past the mapped region"
}