FKIE_CVE-2026-68226

Vulnerability from fkie_nvd - Published: 2026-08-10 13:20 - Updated: 2026-08-19 17:20
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: media: cx23885: add ioremap return check and cleanup Add a check for the return value of pci_ioremap_bar() in cx23885_dev_setup(). If ioremap for BAR0 fails, release the already allocated PCI memory region, decrement the device count, and return -ENODEV. This prevents a potential null pointer dereference and ensures proper cleanup on memory mapping failure.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6a7636e3d5204fb18fdf1c3f909a3d9d9e24064c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/83540d86d717735b52a43e4ba1b784da5cc2310a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8fbdca4c99f68734e9b6c030973fb61a11bede15
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9052fec0bb84eace81ac7bad071266052870cdf3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a0701e387b46e2481c05b47f1235b954bfc2af3e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c68c4ce72feb6fcccc843eb3baa7af60189ed567
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f58f4b571bd75c78bbf15441086ba0c2830c1aa5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ff3c670a1de3a714f5644e37b9446fe7c3299fd3
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/pci/cx23885/cx23885-core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f58f4b571bd75c78bbf15441086ba0c2830c1aa5",
              "status": "affected",
              "version": "d19770e5178a4bc49641711246360c25781d20a4",
              "versionType": "git"
            },
            {
              "lessThan": "9052fec0bb84eace81ac7bad071266052870cdf3",
              "status": "affected",
              "version": "d19770e5178a4bc49641711246360c25781d20a4",
              "versionType": "git"
            },
            {
              "lessThan": "6a7636e3d5204fb18fdf1c3f909a3d9d9e24064c",
              "status": "affected",
              "version": "d19770e5178a4bc49641711246360c25781d20a4",
              "versionType": "git"
            },
            {
              "lessThan": "8fbdca4c99f68734e9b6c030973fb61a11bede15",
              "status": "affected",
              "version": "d19770e5178a4bc49641711246360c25781d20a4",
              "versionType": "git"
            },
            {
              "lessThan": "83540d86d717735b52a43e4ba1b784da5cc2310a",
              "status": "affected",
              "version": "d19770e5178a4bc49641711246360c25781d20a4",
              "versionType": "git"
            },
            {
              "lessThan": "c68c4ce72feb6fcccc843eb3baa7af60189ed567",
              "status": "affected",
              "version": "d19770e5178a4bc49641711246360c25781d20a4",
              "versionType": "git"
            },
            {
              "lessThan": "ff3c670a1de3a714f5644e37b9446fe7c3299fd3",
              "status": "affected",
              "version": "d19770e5178a4bc49641711246360c25781d20a4",
              "versionType": "git"
            },
            {
              "lessThan": "a0701e387b46e2481c05b47f1235b954bfc2af3e",
              "status": "affected",
              "version": "d19770e5178a4bc49641711246360c25781d20a4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/pci/cx23885/cx23885-core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.24"
            },
            {
              "lessThan": "2.6.24",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.265",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.216",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.183",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx23885: add ioremap return check and cleanup\n\nAdd a check for the return value of pci_ioremap_bar()\nin cx23885_dev_setup().\nIf ioremap for BAR0 fails, release the already allocated\nPCI memory region,\ndecrement the device count, and return -ENODEV.\n\nThis prevents a potential null pointer dereference and\nensures proper cleanup\non memory mapping failure."
    }
  ],
  "id": "CVE-2026-68226",
  "lastModified": "2026-08-19T17:20:38.407",
  "metrics": {},
  "published": "2026-08-10T13:20:10.793",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6a7636e3d5204fb18fdf1c3f909a3d9d9e24064c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/83540d86d717735b52a43e4ba1b784da5cc2310a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8fbdca4c99f68734e9b6c030973fb61a11bede15"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/9052fec0bb84eace81ac7bad071266052870cdf3"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a0701e387b46e2481c05b47f1235b954bfc2af3e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c68c4ce72feb6fcccc843eb3baa7af60189ed567"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f58f4b571bd75c78bbf15441086ba0c2830c1aa5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ff3c670a1de3a714f5644e37b9446fe7c3299fd3"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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