github - ghsa-7p7v-h84h-xmw3

GHSA-7P7V-H84H-XMW3

Vulnerability from github – Published: 2025-07-10 09:32 – Updated: 2025-11-20 18:31

Details

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

fpga: fix potential null pointer deref in fpga_mgr_test_img_load_sgt()

fpga_mgr_test_img_load_sgt() allocates memory for sgt using kunit_kzalloc() however it does not check if the allocation failed. It then passes sgt to sg_alloc_table(), which passes it to __sg_alloc_table(). This function calls memset() on sgt in an attempt to zero it out. If the allocation fails then sgt will be NULL and the memset will trigger a NULL pointer dereference.

Fix this by checking the allocation with KUNIT_ASSERT_NOT_ERR_OR_NULL().

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38274"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-10T08:15:25Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfpga: fix potential null pointer deref in fpga_mgr_test_img_load_sgt()\n\nfpga_mgr_test_img_load_sgt() allocates memory for sgt using\nkunit_kzalloc() however it does not check if the allocation failed.\nIt then passes sgt to sg_alloc_table(), which passes it to\n__sg_alloc_table(). This function calls memset() on sgt in an attempt to\nzero it out. If the allocation fails then sgt will be NULL and the\nmemset will trigger a NULL pointer dereference.\n\nFix this by checking the allocation with KUNIT_ASSERT_NOT_ERR_OR_NULL().",
  "id": "GHSA-7p7v-h84h-xmw3",
  "modified": "2025-11-20T18:31:00Z",
  "published": "2025-07-10T09:32:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38274"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ebf1982038af12f3588417e4fd0417d2551da28"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8b2230ac7ff0aeb2441132df638a82ab124f8624"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e69e2cfd8b38d9463a250e153ef4963a604d61e9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eb4c74eaa6e2d15f3bbd32941c9d2a25b29a718d"
    }
  ],
  "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-2025-38274 (GCVE-0-2025-38274)

Vulnerability from cvelistv5 – Published: 2025-07-10 07:41 – Updated: 2025-07-28 04:17

Summary

In the Linux kernel, the following vulnerability has been resolved: fpga: fix potential null pointer deref in fpga_mgr_test_img_load_sgt() fpga_mgr_test_img_load_sgt() allocates memory for sgt using kunit_kzalloc() however it does not check if the allocation failed. It then passes sgt to sg_alloc_table(), which passes it to __sg_alloc_table(). This function calls memset() on sgt in an attempt to zero it out. If the allocation fails then sgt will be NULL and the memset will trigger a NULL pointer dereference. Fix this by checking the allocation with KUNIT_ASSERT_NOT_ERR_OR_NULL().

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/e69e2cfd8b38d9463…
	https://git.kernel.org/stable/c/8b2230ac7ff0aeb24…
	https://git.kernel.org/stable/c/eb4c74eaa6e2d15f3…
	https://git.kernel.org/stable/c/6ebf1982038af12f3…

Impacted products

Vendor

Product

Version

Linux

Affected: ccbc1c302115d8125d6a96296ba52702c6de0ade , < e69e2cfd8b38d9463a250e153ef4963a604d61e9 (git)
Affected: ccbc1c302115d8125d6a96296ba52702c6de0ade , < 8b2230ac7ff0aeb2441132df638a82ab124f8624 (git)
Affected: ccbc1c302115d8125d6a96296ba52702c6de0ade , < eb4c74eaa6e2d15f3bbd32941c9d2a25b29a718d (git)
Affected: ccbc1c302115d8125d6a96296ba52702c6de0ade , < 6ebf1982038af12f3588417e4fd0417d2551da28 (git)

Linux

Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.94 , ≤ 6.6.* (semver)
Unaffected: 6.12.34 , ≤ 6.12.* (semver)
Unaffected: 6.15.3 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/fpga/tests/fpga-mgr-test.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "versionType": "git"
            },
            {
              "lessThan": "8b2230ac7ff0aeb2441132df638a82ab124f8624",
              "status": "affected",
              "version": "ccbc1c302115d8125d6a96296ba52702c6de0ade",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.94",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.34",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
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          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.94",
                  "versionStartIncluding": "6.6",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfpga: fix potential null pointer deref in fpga_mgr_test_img_load_sgt()\n\nfpga_mgr_test_img_load_sgt() allocates memory for sgt using\nkunit_kzalloc() however it does not check if the allocation failed.\nIt then passes sgt to sg_alloc_table(), which passes it to\n__sg_alloc_table(). This function calls memset() on sgt in an attempt to\nzero it out. If the allocation fails then sgt will be NULL and the\nmemset will trigger a NULL pointer dereference.\n\nFix this by checking the allocation with KUNIT_ASSERT_NOT_ERR_OR_NULL()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:17:02.209Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        },
        {
          "url": "https://git.kernel.org/stable/c/6ebf1982038af12f3588417e4fd0417d2551da28"
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      ],
      "title": "fpga: fix potential null pointer deref in fpga_mgr_test_img_load_sgt()",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38274",
    "datePublished": "2025-07-10T07:41:55.041Z",
    "dateReserved": "2025-04-16T04:51:23.998Z",
    "dateUpdated": "2025-07-28T04:17:02.209Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-7P7V-H84H-XMW3

CVE-2025-38274 (GCVE-0-2025-38274)

Tags

Sightings

Nomenclature