CVE-2026-43396 (GCVE-0-2026-43396)
Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-08 14:21
VLAI?
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
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
0995c2fc39b0f998d40f5d276f67ae22fc1c37c3 , < 05edc78eb4699e8e000a62aaa8dace50a17e19e3
(git)
Affected: 0995c2fc39b0f998d40f5d276f67ae22fc1c37c3 , < f8f90b33934b307f6e4599b9fae38aa1ee5441a7 (git) Affected: 0995c2fc39b0f998d40f5d276f67ae22fc1c37c3 , < 0879c3f04f67e2a1677c25dcc24669ce21eb6a6c (git) |
||
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"programFiles": [
"drivers/gpu/drm/xe/xe_sync.c"
],
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],
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"version": "6.18"
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{
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{
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"versionType": "original_commit_for_fix"
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],
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{
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],
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"operator": "OR"
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}
],
"descriptions": [
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"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)"
}
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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},
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"url": "https://git.kernel.org/stable/c/05edc78eb4699e8e000a62aaa8dace50a17e19e3"
},
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"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",
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"cveId": "CVE-2026-43396",
"datePublished": "2026-05-08T14:21:39.443Z",
"dateReserved": "2026-05-01T14:12:56.007Z",
"dateUpdated": "2026-05-08T14:21:39.443Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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- 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.
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