github - ghsa-q59c-3x85-f94g

GHSA-Q59C-3X85-F94G

Vulnerability from github – Published: 2025-07-03 09:30 – Updated: 2025-11-03 21:34

Details

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

dma-buf: insert memory barrier before updating num_fences

smp_store_mb() inserts memory barrier after storing operation. It is different with what the comment is originally aiming so Null pointer dereference can be happened if memory update is reordered.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-38095"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-03T08:15:26Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndma-buf: insert memory barrier before updating num_fences\n\nsmp_store_mb() inserts memory barrier after storing operation.\nIt is different with what the comment is originally aiming so Null\npointer dereference can be happened if memory update is reordered.",
  "id": "GHSA-q59c-3x85-f94g",
  "modified": "2025-11-03T21:34:05Z",
  "published": "2025-07-03T09:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38095"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/08680c4dadc6e736c75bc2409d833f03f9003c51"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3becc659f9cb76b481ad1fb71f54d5c8d6332d3f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/72c7d62583ebce7baeb61acce6057c361f73be4a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c9d2b9a80d06a58f37e0dc8c827075639b443927"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0b7f11dd68b593bd970e5735be00e8d89bace30"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fe1bebd0edb22e3536cbc920ec713331d1367ad4"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-38095 (GCVE-0-2025-38095)

Vulnerability from cvelistv5 – Published: 2025-07-03 07:44 – Updated: 2025-11-03 19:58

Summary

In the Linux kernel, the following vulnerability has been resolved: dma-buf: insert memory barrier before updating num_fences smp_store_mb() inserts memory barrier after storing operation. It is different with what the comment is originally aiming so Null pointer dereference can be happened if memory update is reordered.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/90eb79c4ed98a4e24…
	https://git.kernel.org/stable/c/d0b7f11dd68b593bd…
	https://git.kernel.org/stable/c/3becc659f9cb76b48…
	https://git.kernel.org/stable/c/c9d2b9a80d06a58f3…
	https://git.kernel.org/stable/c/fe1bebd0edb22e353…
	https://git.kernel.org/stable/c/08680c4dadc6e736c…
	https://git.kernel.org/stable/c/72c7d62583ebce7ba…

Impacted products

Vendor

Product

Version

Linux

Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < 90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < d0b7f11dd68b593bd970e5735be00e8d89bace30 (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < 3becc659f9cb76b481ad1fb71f54d5c8d6332d3f (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < c9d2b9a80d06a58f37e0dc8c827075639b443927 (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < fe1bebd0edb22e3536cbc920ec713331d1367ad4 (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < 08680c4dadc6e736c75bc2409d833f03f9003c51 (git)
Affected: a590d0fdbaa56f482ff515e1040b6d9b1b200d63 , < 72c7d62583ebce7baeb61acce6057c361f73be4a (git)

Linux

Affected: 5.0
Unaffected: 0 , < 5.0 (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.192 , ≤ 5.15.* (semver)
Unaffected: 6.1.140 , ≤ 6.1.* (semver)
Unaffected: 6.6.92 , ≤ 6.6.* (semver)
Unaffected: 6.12.30 , ≤ 6.12.* (semver)
Unaffected: 6.14.8 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T19:58:27.686Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/dma-buf/dma-resv.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f",
              "status": "affected",
              "version": "a590d0fdbaa56f482ff515e1040b6d9b1b200d63",
              "versionType": "git"
            },
            {
              "lessThan": "d0b7f11dd68b593bd970e5735be00e8d89bace30",
              "status": "affected",
              "version": "a590d0fdbaa56f482ff515e1040b6d9b1b200d63",
              "versionType": "git"
            },
            {
              "lessThan": "3becc659f9cb76b481ad1fb71f54d5c8d6332d3f",
              "status": "affected",
              "version": "a590d0fdbaa56f482ff515e1040b6d9b1b200d63",
              "versionType": "git"
            },
            {
              "lessThan": "c9d2b9a80d06a58f37e0dc8c827075639b443927",
              "status": "affected",
              "version": "a590d0fdbaa56f482ff515e1040b6d9b1b200d63",
              "versionType": "git"
            },
            {
              "lessThan": "fe1bebd0edb22e3536cbc920ec713331d1367ad4",
              "status": "affected",
              "version": "a590d0fdbaa56f482ff515e1040b6d9b1b200d63",
              "versionType": "git"
            },
            {
              "lessThan": "08680c4dadc6e736c75bc2409d833f03f9003c51",
              "status": "affected",
              "version": "a590d0fdbaa56f482ff515e1040b6d9b1b200d63",
              "versionType": "git"
            },
            {
              "lessThan": "72c7d62583ebce7baeb61acce6057c361f73be4a",
              "status": "affected",
              "version": "a590d0fdbaa56f482ff515e1040b6d9b1b200d63",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/dma-buf/dma-resv.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.0"
            },
            {
              "lessThan": "5.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.241",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.192",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.92",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.241",
                  "versionStartIncluding": "5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.192",
                  "versionStartIncluding": "5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.140",
                  "versionStartIncluding": "5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.92",
                  "versionStartIncluding": "5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.30",
                  "versionStartIncluding": "5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.8",
                  "versionStartIncluding": "5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15",
                  "versionStartIncluding": "5.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndma-buf: insert memory barrier before updating num_fences\n\nsmp_store_mb() inserts memory barrier after storing operation.\nIt is different with what the comment is originally aiming so Null\npointer dereference can be happened if memory update is reordered."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-09T17:06:06.983Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/90eb79c4ed98a4e24a62ccf61c199ab0f680fa8f"
        },
        {
          "url": "https://git.kernel.org/stable/c/d0b7f11dd68b593bd970e5735be00e8d89bace30"
        },
        {
          "url": "https://git.kernel.org/stable/c/3becc659f9cb76b481ad1fb71f54d5c8d6332d3f"
        },
        {
          "url": "https://git.kernel.org/stable/c/c9d2b9a80d06a58f37e0dc8c827075639b443927"
        },
        {
          "url": "https://git.kernel.org/stable/c/fe1bebd0edb22e3536cbc920ec713331d1367ad4"
        },
        {
          "url": "https://git.kernel.org/stable/c/08680c4dadc6e736c75bc2409d833f03f9003c51"
        },
        {
          "url": "https://git.kernel.org/stable/c/72c7d62583ebce7baeb61acce6057c361f73be4a"
        }
      ],
      "title": "dma-buf: insert memory barrier before updating num_fences",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38095",
    "datePublished": "2025-07-03T07:44:18.214Z",
    "dateReserved": "2025-04-16T04:51:23.984Z",
    "dateUpdated": "2025-11-03T19:58:27.686Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-Q59C-3X85-F94G

CVE-2025-38095 (GCVE-0-2025-38095)

Tags

Sightings

Nomenclature