Vulnerability-Lookup

GHSA-J5JQ-R673-59H3

Vulnerability from github – Published: 2026-05-08 15:31 – Updated: 2026-05-21 21:30

Details

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

drm/xe/sync: Fix user fence leak on alloc failure

When dma_fence_chain_alloc() fails, properly release the user fence reference to prevent a memory leak.

(cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0)

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-2026-43396"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-08T15:16:51Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/sync: Fix user fence leak on alloc failure\n\nWhen dma_fence_chain_alloc() fails, properly release the user fence\nreference to prevent a memory leak.\n\n(cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0)",
  "id": "GHSA-j5jq-r673-59h3",
  "modified": "2026-05-21T21:30:29Z",
  "published": "2026-05-08T15:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43396"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/05edc78eb4699e8e000a62aaa8dace50a17e19e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0879c3f04f67e2a1677c25dcc24669ce21eb6a6c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f8f90b33934b307f6e4599b9fae38aa1ee5441a7"
    }
  ],
  "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-2026-43396 (GCVE-0-2026-43396)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-11 22:23

Title

drm/xe/sync: Fix user fence leak on alloc failure

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Fix user fence leak on alloc failure When dma_fence_chain_alloc() fails, properly release the user fence reference to prevent a memory leak. (cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0)

Severity

No CVSS data available.

Assigner

Linux

References

3 references

URL	Tags
https://git.kernel.org/stable/c/05edc78eb4699e8e0…
https://git.kernel.org/stable/c/f8f90b33934b307f6…
https://git.kernel.org/stable/c/0879c3f04f67e2a16…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 0995c2fc39b0f998d40f5d276f67ae22fc1c37c3 , < 05edc78eb4699e8e000a62aaa8dace50a17e19e3 (git) Affected: 0995c2fc39b0f998d40f5d276f67ae22fc1c37c3 , < f8f90b33934b307f6e4599b9fae38aa1ee5441a7 (git) Affected: 0995c2fc39b0f998d40f5d276f67ae22fc1c37c3 , < 0879c3f04f67e2a1677c25dcc24669ce21eb6a6c (git)
Linux	Linux	Affected: 6.18 Unaffected: 0 , < 6.18 (semver) Unaffected: 6.18.20 , ≤ 6.18.* (semver) Unaffected: 6.19.9 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/xe_sync.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "05edc78eb4699e8e000a62aaa8dace50a17e19e3",
              "status": "affected",
              "version": "0995c2fc39b0f998d40f5d276f67ae22fc1c37c3",
              "versionType": "git"
            },
            {
              "lessThan": "f8f90b33934b307f6e4599b9fae38aa1ee5441a7",
              "status": "affected",
              "version": "0995c2fc39b0f998d40f5d276f67ae22fc1c37c3",
              "versionType": "git"
            },
            {
              "lessThan": "0879c3f04f67e2a1677c25dcc24669ce21eb6a6c",
              "status": "affected",
              "version": "0995c2fc39b0f998d40f5d276f67ae22fc1c37c3",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/xe_sync.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": "6.18.20",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.9",
              "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": "6.18.20",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.9",
                  "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\ndrm/xe/sync: Fix user fence leak on alloc failure\n\nWhen dma_fence_chain_alloc() fails, properly release the user fence\nreference to prevent a memory leak.\n\n(cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:23:46.445Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/05edc78eb4699e8e000a62aaa8dace50a17e19e3"
        },
        {
          "url": "https://git.kernel.org/stable/c/f8f90b33934b307f6e4599b9fae38aa1ee5441a7"
        },
        {
          "url": "https://git.kernel.org/stable/c/0879c3f04f67e2a1677c25dcc24669ce21eb6a6c"
        }
      ],
      "title": "drm/xe/sync: Fix user fence leak on alloc failure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43396",
    "datePublished": "2026-05-08T14:21:39.443Z",
    "dateReserved": "2026-05-01T14:12:56.007Z",
    "dateUpdated": "2026-05-11T22:23:46.445Z",
    "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-J5JQ-R673-59H3

CVE-2026-43396 (GCVE-0-2026-43396)

Tags

Sightings

Nomenclature