CVE-2026-31573 (GCVE-0-2026-31573)
Vulnerability from cvelistv5
Published
2026-04-24 14:35
Modified
2026-10-30 12:24
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: media: verisilicon: Fix kernel panic due to __initconst misuse Fix a kernel panic when probing the driver as a module: Unable to handle kernel paging request at virtual address ffffd9c18eb05000 of_find_matching_node_and_match+0x5c/0x1a0 hantro_probe+0x2f4/0x7d0 [hantro_vpu] The imx8mq_vpu_shared_resources array is referenced by variant structures through their shared_devices field. When built as a module, __initconst causes this data to be freed after module init, but it's later accessed during probe, causing a page fault. The imx8mq_vpu_shared_resources is referenced from non-init code, so keeping __initconst or __initconst_or_module here is wrong. Drop the __initconst annotation and let it live in the normal .rodata section. A bug of __initconst called from regular non-init probe code leading to bugs during probe deferrals or during unbind-bind cycles.
Impacted products
Vendor Product Version
Linux Linux Version: 42a9fbccb33a38c5a9e0a84680939da8eae4f60e
Version: f2efc1e8ab65bdb9b892af132887323e4df92f02
Version: 5133ef7c893c2c3aee7dd12503dc480de9dbfbb5
Version: 286d629d10640bc22f3bf46aa4f356eb7975e862
Version: e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765
Version: f988fbf0536b42f6a05ccc1ac709d60236ec1aa6
Version: 6.6.160   ≤
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/platform/verisilicon/imx8m_vpu_hw.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "53b88097bb0e0b895a691ae7da4a54b567c0d375",
              "status": "affected",
              "version": "42a9fbccb33a38c5a9e0a84680939da8eae4f60e",
              "versionType": "git"
            },
            {
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              "versionType": "git"
            },
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              "status": "affected",
              "version": "5133ef7c893c2c3aee7dd12503dc480de9dbfbb5",
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              "status": "affected",
              "version": "286d629d10640bc22f3bf46aa4f356eb7975e862",
              "versionType": "git"
            },
            {
              "lessThan": "e8d97c270cb46a2a88739019d0f8547adc7d97da",
              "status": "affected",
              "version": "e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f988fbf0536b42f6a05ccc1ac709d60236ec1aa6",
              "versionType": "git"
            },
            {
              "lessThan": "6.7",
              "status": "affected",
              "version": "6.6.160",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/platform/verisilicon/imx8m_vpu_hw.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6.19.11",
              "status": "affected",
              "version": "6.19.6",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.11",
                  "versionStartIncluding": "6.19.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.6.160",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: verisilicon: Fix kernel panic due to __initconst misuse\n\nFix a kernel panic when probing the driver as a module:\n\n  Unable to handle kernel paging request at virtual address\n  ffffd9c18eb05000\n  of_find_matching_node_and_match+0x5c/0x1a0\n  hantro_probe+0x2f4/0x7d0 [hantro_vpu]\n\nThe imx8mq_vpu_shared_resources array is referenced by variant\nstructures through their shared_devices field. When built as a\nmodule, __initconst causes this data to be freed after module\ninit, but it\u0027s later accessed during probe, causing a page fault.\n\nThe imx8mq_vpu_shared_resources is referenced from non-init code,\nso keeping __initconst or __initconst_or_module here is wrong.\n\nDrop the __initconst annotation and let it live in the normal .rodata\nsection.\n\nA bug of __initconst called from regular non-init probe code\nleading to bugs during probe deferrals or during unbind-bind cycles."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-30T12:24:23.572Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/53b88097bb0e0b895a691ae7da4a54b567c0d375"
        },
        {
          "url": "https://git.kernel.org/stable/c/5d177ff5eb235de9cc0b8e877466f5a3af6f573e"
        },
        {
          "url": "https://git.kernel.org/stable/c/07861e84b766c6db8014bc34138f3be4a62aad2a"
        },
        {
          "url": "https://git.kernel.org/stable/c/1e7e9119cf9b0d8585b27653b1a6dc31397c252e"
        },
        {
          "url": "https://git.kernel.org/stable/c/e8d97c270cb46a2a88739019d0f8547adc7d97da"
        }
      ],
      "title": "media: verisilicon: Fix kernel panic due to __initconst misuse",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31573",
    "datePublished": "2026-04-24T14:35:51.421Z",
    "dateReserved": "2026-03-09T15:48:24.119Z",
    "dateUpdated": "2026-10-30T12:24:23.572Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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