github - ghsa-v9rq-j9p7-c4v2

ghsa-v9rq-j9p7-c4v2

Vulnerability from github

Published

2025-06-18 12:30

Modified

2025-06-18 12:30

Details

In the Linux kernel, the following vulnerability has been resolved:

mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte

In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepage_add_new_anon_rmap is called for them mistakenly because they're not vm_shared. This will corrupt the page->mapping used by page cache code.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49991"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-18T11:15:26Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: avoid corrupting page-\u003emapping in hugetlb_mcopy_atomic_pte\n\nIn MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page\ncache are installed in the ptes.  But hugepage_add_new_anon_rmap is called\nfor them mistakenly because they\u0027re not vm_shared.  This will corrupt the\npage-\u003emapping used by page cache code.",
  "id": "GHSA-v9rq-j9p7-c4v2",
  "modified": "2025-06-18T12:30:40Z",
  "published": "2025-06-18T12:30:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49991"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3ada1b3e58db255a14ec73a59d7913e84dc5a8a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ab74ef708dc51df7cf2b8a890b9c6990fac5c0c6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/da60ddd80d09f8371fbba1a238a4b318d13ba698"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-49991 (GCVE-0-2022-49991)

Vulnerability from cvelistv5

Published

2025-06-18 11:00

Modified

2025-06-18 11:00

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page->mapping in hugetlb_mcopy_atomic_pte In MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepage_add_new_anon_rmap is called for them mistakenly because they're not vm_shared. This will corrupt the page->mapping used by page cache code.

References

►

URL

Tags

	https://git.kernel.org/stable/c/da60ddd80d09f8371fbba1a238a4b318d13ba698
	https://git.kernel.org/stable/c/3ada1b3e58db255a14ec73a59d7913e84dc5a8a4
	https://git.kernel.org/stable/c/ab74ef708dc51df7cf2b8a890b9c6990fac5c0c6

Impacted products

Vendor

Product

Version

►

Version: f619147104c8ea71e120e4936d2b68ec11a1e527
Version: f619147104c8ea71e120e4936d2b68ec11a1e527
Version: f619147104c8ea71e120e4936d2b68ec11a1e527

Version: 5.13

Show details on NVD website

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/hugetlb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "da60ddd80d09f8371fbba1a238a4b318d13ba698",
              "status": "affected",
              "version": "f619147104c8ea71e120e4936d2b68ec11a1e527",
              "versionType": "git"
            },
            {
              "lessThan": "3ada1b3e58db255a14ec73a59d7913e84dc5a8a4",
              "status": "affected",
              "version": "f619147104c8ea71e120e4936d2b68ec11a1e527",
              "versionType": "git"
            },
            {
              "lessThan": "ab74ef708dc51df7cf2b8a890b9c6990fac5c0c6",
              "status": "affected",
              "version": "f619147104c8ea71e120e4936d2b68ec11a1e527",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "mm/hugetlb.c"
          ],
          "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": "5.15.65",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.65",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.6",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "5.13",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: avoid corrupting page-\u003emapping in hugetlb_mcopy_atomic_pte\n\nIn MCOPY_ATOMIC_CONTINUE case with a non-shared VMA, pages in the page\ncache are installed in the ptes.  But hugepage_add_new_anon_rmap is called\nfor them mistakenly because they\u0027re not vm_shared.  This will corrupt the\npage-\u003emapping used by page cache code."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:00:51.745Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/da60ddd80d09f8371fbba1a238a4b318d13ba698"
        },
        {
          "url": "https://git.kernel.org/stable/c/3ada1b3e58db255a14ec73a59d7913e84dc5a8a4"
        },
        {
          "url": "https://git.kernel.org/stable/c/ab74ef708dc51df7cf2b8a890b9c6990fac5c0c6"
        }
      ],
      "title": "mm/hugetlb: avoid corrupting page-\u003emapping in hugetlb_mcopy_atomic_pte",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49991",
    "datePublished": "2025-06-18T11:00:51.745Z",
    "dateReserved": "2025-06-18T10:57:27.386Z",
    "dateUpdated": "2025-06-18T11:00:51.745Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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