fkie_nvd - fkie_cve-2022-50236

fkie_cve-2022-50236

Vulnerability from fkie_nvd

Published

2025-09-15 14:15

Modified

2025-09-15 15:21

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Fix crash on isr after kexec() If the system is rebooted via isr(), the IRQ handler might be triggered before the domain is initialized. Resulting on an invalid memory access error. Fix: [ 0.500930] Unable to handle kernel read from unreadable memory at virtual address 0000000000000070 [ 0.501166] Call trace: [ 0.501174] report_iommu_fault+0x28/0xfc [ 0.501180] mtk_iommu_isr+0x10c/0x1c0 [ joro: Fixed spelling in commit message ]

References

▼	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/00ef8885a945c37551547d8ac8361cacd20c4e42
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/85cc8a187f2de7a91e2cea522e9406fa12999269
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Fix crash on isr after kexec()\n\nIf the system is rebooted via isr(), the IRQ handler might\nbe triggered before the domain is initialized. Resulting on\nan invalid memory access error.\n\nFix:\n[    0.500930] Unable to handle kernel read from unreadable memory at virtual address 0000000000000070\n[    0.501166] Call trace:\n[    0.501174]  report_iommu_fault+0x28/0xfc\n[    0.501180]  mtk_iommu_isr+0x10c/0x1c0\n\n[ joro: Fixed spelling in commit message ]"
    }
  ],
  "id": "CVE-2022-50236",
  "lastModified": "2025-09-15T15:21:42.937",
  "metrics": {},
  "published": "2025-09-15T14:15:34.003",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/00ef8885a945c37551547d8ac8361cacd20c4e42"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/85cc8a187f2de7a91e2cea522e9406fa12999269"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2022-50236 (GCVE-0-2022-50236)

Vulnerability from cvelistv5

Published

2025-09-15 14:01

Modified

2025-09-16 08:02

Severity ?

Summary

References

▼	URL	Tags
	https://git.kernel.org/stable/c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc
	https://git.kernel.org/stable/c/85cc8a187f2de7a91e2cea522e9406fa12999269
	https://git.kernel.org/stable/c/00ef8885a945c37551547d8ac8361cacd20c4e42

Impacted products

Vendor

Product

Version

▼

Linux

Version: 0df4fabe208d9576f2671d31e77cf46d20fdcd01
Version: 0df4fabe208d9576f2671d31e77cf46d20fdcd01
Version: 0df4fabe208d9576f2671d31e77cf46d20fdcd01

Linux

Version: 4.6

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/iommu/mtk_iommu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f13acee780cedb3e06a6dadf64d9104cccd2b9fc",
              "status": "affected",
              "version": "0df4fabe208d9576f2671d31e77cf46d20fdcd01",
              "versionType": "git"
            },
            {
              "lessThan": "85cc8a187f2de7a91e2cea522e9406fa12999269",
              "status": "affected",
              "version": "0df4fabe208d9576f2671d31e77cf46d20fdcd01",
              "versionType": "git"
            },
            {
              "lessThan": "00ef8885a945c37551547d8ac8361cacd20c4e42",
              "status": "affected",
              "version": "0df4fabe208d9576f2671d31e77cf46d20fdcd01",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/iommu/mtk_iommu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.6"
            },
            {
              "lessThan": "4.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.17",
                  "versionStartIncluding": "4.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.3",
                  "versionStartIncluding": "4.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2",
                  "versionStartIncluding": "4.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Fix crash on isr after kexec()\n\nIf the system is rebooted via isr(), the IRQ handler might\nbe triggered before the domain is initialized. Resulting on\nan invalid memory access error.\n\nFix:\n[    0.500930] Unable to handle kernel read from unreadable memory at virtual address 0000000000000070\n[    0.501166] Call trace:\n[    0.501174]  report_iommu_fault+0x28/0xfc\n[    0.501180]  mtk_iommu_isr+0x10c/0x1c0\n\n[ joro: Fixed spelling in commit message ]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-16T08:02:00.873Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc"
        },
        {
          "url": "https://git.kernel.org/stable/c/85cc8a187f2de7a91e2cea522e9406fa12999269"
        },
        {
          "url": "https://git.kernel.org/stable/c/00ef8885a945c37551547d8ac8361cacd20c4e42"
        }
      ],
      "title": "iommu/mediatek: Fix crash on isr after kexec()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50236",
    "datePublished": "2025-09-15T14:01:42.983Z",
    "dateReserved": "2025-06-18T10:57:27.433Z",
    "dateUpdated": "2025-09-16T08:02:00.873Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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