github - ghsa-hrvw-rfgx-8g4m

ghsa-hrvw-rfgx-8g4m

Vulnerability from github

Published

2024-09-13 06:30

Modified

2024-09-19 18:30

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

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

erofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails

If z_erofs_gbuf_growsize() partially fails on a global buffer due to memory allocation failure or fault injection (as reported by syzbot [1]), new pages need to be freed by comparing to the existing pages to avoid memory leaks.

However, the old gbuf->pages[] array may not be large enough, which can lead to null-ptr-deref or out-of-bound access.

Fix this by checking against gbuf->nrpages in advance.

[1] https://lore.kernel.org/r/000000000000f7b96e062018c6e3@google.com

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2024-46688"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-09-13T06:15:13Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails\n\nIf z_erofs_gbuf_growsize() partially fails on a global buffer due to\nmemory allocation failure or fault injection (as reported by syzbot [1]),\nnew pages need to be freed by comparing to the existing pages to avoid\nmemory leaks.\n\nHowever, the old gbuf-\u003epages[] array may not be large enough, which can\nlead to null-ptr-deref or out-of-bound access.\n\nFix this by checking against gbuf-\u003enrpages in advance.\n\n[1] https://lore.kernel.org/r/000000000000f7b96e062018c6e3@google.com",
  "id": "GHSA-hrvw-rfgx-8g4m",
  "modified": "2024-09-19T18:30:51Z",
  "published": "2024-09-13T06:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-46688"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0005e01e1e875c5e27130c5e2ed0189749d1e08a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49c0e081998008cde0c872c0ff9affa1ece4b878"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2024-46688

Vulnerability from cvelistv5

Published

2024-09-13 05:29

Modified

2024-12-19 09:20

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: erofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails If z_erofs_gbuf_growsize() partially fails on a global buffer due to memory allocation failure or fault injection (as reported by syzbot [1]), new pages need to be freed by comparing to the existing pages to avoid memory leaks. However, the old gbuf->pages[] array may not be large enough, which can lead to null-ptr-deref or out-of-bound access. Fix this by checking against gbuf->nrpages in advance. [1] https://lore.kernel.org/r/000000000000f7b96e062018c6e3@google.com

References

▼	URL	Tags
	https://git.kernel.org/stable/c/49c0e081998008cde0c872c0ff9affa1ece4b878
	https://git.kernel.org/stable/c/0005e01e1e875c5e27130c5e2ed0189749d1e08a

Impacted products

Vendor

Product

Version

▼

Linux

Version: d6db47e571dcaecaeaafa8840d00ae849ae3907b
Version: d6db47e571dcaecaeaafa8840d00ae849ae3907b

Linux

Version: 6.10

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-46688",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-29T15:07:39.843089Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-29T15:07:54.585Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/erofs/zutil.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "49c0e081998008cde0c872c0ff9affa1ece4b878",
              "status": "affected",
              "version": "d6db47e571dcaecaeaafa8840d00ae849ae3907b",
              "versionType": "git"
            },
            {
              "lessThan": "0005e01e1e875c5e27130c5e2ed0189749d1e08a",
              "status": "affected",
              "version": "d6db47e571dcaecaeaafa8840d00ae849ae3907b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/erofs/zutil.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.10"
            },
            {
              "lessThan": "6.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails\n\nIf z_erofs_gbuf_growsize() partially fails on a global buffer due to\nmemory allocation failure or fault injection (as reported by syzbot [1]),\nnew pages need to be freed by comparing to the existing pages to avoid\nmemory leaks.\n\nHowever, the old gbuf-\u003epages[] array may not be large enough, which can\nlead to null-ptr-deref or out-of-bound access.\n\nFix this by checking against gbuf-\u003enrpages in advance.\n\n[1] https://lore.kernel.org/r/000000000000f7b96e062018c6e3@google.com"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T09:20:59.998Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/49c0e081998008cde0c872c0ff9affa1ece4b878"
        },
        {
          "url": "https://git.kernel.org/stable/c/0005e01e1e875c5e27130c5e2ed0189749d1e08a"
        }
      ],
      "title": "erofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46688",
    "datePublished": "2024-09-13T05:29:19.031Z",
    "dateReserved": "2024-09-11T15:12:18.249Z",
    "dateUpdated": "2024-12-19T09:20:59.998Z",
    "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.

Action not permitted