Vulnerability-Lookup

GHSA-QCVF-8537-HX8X

Vulnerability from github – Published: 2026-03-25 12:30 – Updated: 2026-04-02 15:31

Details

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

accel/amdxdna: Prevent ubuf size overflow

The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption.

Use check_add_overflow() helpers to validate the size calculation before allocation.

Severity ?

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-23280"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-25T11:16:22Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Prevent ubuf size overflow\n\nThe ubuf size calculation may overflow, resulting in an undersized\nallocation and possible memory corruption.\n\nUse check_add_overflow() helpers to validate the size calculation before\nallocation.",
  "id": "GHSA-qcvf-8537-hx8x",
  "modified": "2026-04-02T15:31:36Z",
  "published": "2026-03-25T12:30:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23280"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1500b31db94374a6669e73ce94d6f71cf8e85e06"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/972bf4a23478fcb247b4f507d47a584bc8aea5bd"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-23280 (GCVE-0-2026-23280)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:26 – Updated: 2026-05-11 22:03

Title

accel/amdxdna: Prevent ubuf size overflow

Summary

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Prevent ubuf size overflow The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption. Use check_add_overflow() helpers to validate the size calculation before allocation.

Severity ?

7.8 (High)


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

Assigner

Linux

References

3 references

URL	Tags
https://git.kernel.org/stable/c/1500b31db94374a66…
https://git.kernel.org/stable/c/972bf4a23478fcb24…
https://git.kernel.org/stable/c/03808abb1d868aed7…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: bd72d4acda1069579b35123e3cc0b21ec1193a21 , < 1500b31db94374a6669e73ce94d6f71cf8e85e06 (git) Affected: bd72d4acda1069579b35123e3cc0b21ec1193a21 , < 972bf4a23478fcb247b4f507d47a584bc8aea5bd (git) Affected: bd72d4acda1069579b35123e3cc0b21ec1193a21 , < 03808abb1d868aed7478a11a82e5bb4b3f1ca6d6 (git)
Linux	Linux	Affected: 6.18 Unaffected: 0 , < 6.18 (semver) Unaffected: 6.18.17 , ≤ 6.18.* (semver) Unaffected: 6.19.7 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/accel/amdxdna/amdxdna_ubuf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1500b31db94374a6669e73ce94d6f71cf8e85e06",
              "status": "affected",
              "version": "bd72d4acda1069579b35123e3cc0b21ec1193a21",
              "versionType": "git"
            },
            {
              "lessThan": "972bf4a23478fcb247b4f507d47a584bc8aea5bd",
              "status": "affected",
              "version": "bd72d4acda1069579b35123e3cc0b21ec1193a21",
              "versionType": "git"
            },
            {
              "lessThan": "03808abb1d868aed7478a11a82e5bb4b3f1ca6d6",
              "status": "affected",
              "version": "bd72d4acda1069579b35123e3cc0b21ec1193a21",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/accel/amdxdna/amdxdna_ubuf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.17",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.7",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Prevent ubuf size overflow\n\nThe ubuf size calculation may overflow, resulting in an undersized\nallocation and possible memory corruption.\n\nUse check_add_overflow() helpers to validate the size calculation before\nallocation."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:03:48.688Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/1500b31db94374a6669e73ce94d6f71cf8e85e06"
        },
        {
          "url": "https://git.kernel.org/stable/c/972bf4a23478fcb247b4f507d47a584bc8aea5bd"
        },
        {
          "url": "https://git.kernel.org/stable/c/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6"
        }
      ],
      "title": "accel/amdxdna: Prevent ubuf size overflow",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23280",
    "datePublished": "2026-03-25T10:26:41.088Z",
    "dateReserved": "2026-01-13T15:37:45.992Z",
    "dateUpdated": "2026-05-11T22:03:48.688Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-QCVF-8537-HX8X

CVE-2026-23280 (GCVE-0-2026-23280)

Tags

Sightings

Nomenclature