GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

FKIE_CVE-2026-74327

Vulnerability from fkie_nvd - Published: 2026-08-15 06:22 - Updated: 2026-08-17 06:19
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix NULL pointer dereference in is_vm_area_hugepages() find_vm_area() can return NULL if the given address is not a valid vmalloc area. Check the return value before dereferencing it to avoid a kernel crash.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/linux/vmalloc.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c741485fa09bf5900f76d95424d86316d0a00331",
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "versionType": "git"
            },
            {
              "lessThan": "b86f98e53df4f5d57259817b8e9a00167b78bae6",
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "versionType": "git"
            },
            {
              "lessThan": "af71c2b88ccae44418e273bdfe0c96be8515151e",
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "versionType": "git"
            },
            {
              "lessThan": "a1bca6b69bd934e2731d009e645038e05d57ce59",
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "versionType": "git"
            },
            {
              "lessThan": "bbd664b7c77f6488cd5652231c0fe01d069a73ea",
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "versionType": "git"
            },
            {
              "lessThan": "55a44f5259e6a5f1d5b11cb0e19e943c9cc62280",
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "versionType": "git"
            },
            {
              "lessThan": "c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8",
              "status": "affected",
              "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "include/linux/vmalloc.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.13"
            },
            {
              "lessThan": "5.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "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\nvmalloc: fix NULL pointer dereference in is_vm_area_hugepages()\n\nfind_vm_area() can return NULL if the given address is not a valid vmalloc\narea.  Check the return value before dereferencing it to avoid a kernel\ncrash."
    }
  ],
  "id": "CVE-2026-74327",
  "lastModified": "2026-08-17T06:19:27.117",
  "metrics": {},
  "published": "2026-08-15T06:22:33.383",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.