Vulnerability-Lookup

GHSA-Q59C-3X85-F94G

Vulnerability from github – Published: 2025-07-03 09:30 – Updated: 2025-12-16 18:31

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.

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-2025-38095"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-03T08:15:26Z",
    "severity": "MODERATE"
  },
  "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": "2025-12-16T18:31:28Z",
  "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": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

Vulnerability from cvelistv5 – Published: 2025-07-03 07:44 – Updated: 2026-05-11 21:21

Title

dma-buf: insert memory barrier before updating num_fences

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

9 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…
https://lists.debian.org/debian-lts-announce/2025…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version
Linux	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	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)

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JSON

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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.

Action not permitted

GHSA-Q59C-3X85-F94G

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

Tags

Sightings

Nomenclature