CVE-2026-80703 (GCVE-0-2026-80703)
Vulnerability from cvelistv5
Published
2026-08-28 06:53
Modified
2026-08-28 06:53
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE
Prevent unauthorized termination of active GPU debug sessions.
Previously, users with /dev/kfd access could terminate another process's
debug session without proper ownership or ptrace authorization.
(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Version: 0 ≤ Version: 0 ≤ Version: 0 ≤ Version: 0 ≤ |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/amd/amdkfd/kfd_chardev.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "ce813614f63b020a826071276a92f2cfae7cba79",
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"versionType": "git"
},
{
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"status": "affected",
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},
{
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"status": "affected",
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"versionType": "git"
},
{
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"status": "affected",
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},
{
"lessThan": "99b2fe4f19e3be0a8d0a0b5ea98d855970889653",
"status": "affected",
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{
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"status": "affected",
"version": "0",
"versionType": "semver"
},
{
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"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "6.18.44",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "7.1.8",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"status": "unaffected",
"version": "6.6.151",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.103",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.44",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.151",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.103",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
{
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"versionEndExcluding": "7.1.8",
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},
{
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"versionEndExcluding": "7.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process\u0027s\ndebug session without proper ownership or ptrace authorization.\n\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)"
}
],
"providerMetadata": {
"dateUpdated": "2026-08-28T06:53:05.851Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/ce813614f63b020a826071276a92f2cfae7cba79"
},
{
"url": "https://git.kernel.org/stable/c/b8c05061997408bf81759f2dd31cd5f66771d15f"
},
{
"url": "https://git.kernel.org/stable/c/9e52212aff8ed1fd9087728f61243ce3efd9d0ac"
},
{
"url": "https://git.kernel.org/stable/c/4070909ac042f44654aac72f7986ea550c96f591"
},
{
"url": "https://git.kernel.org/stable/c/99b2fe4f19e3be0a8d0a0b5ea98d855970889653"
}
],
"title": "drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-80703",
"datePublished": "2026-08-28T06:53:05.851Z",
"dateReserved": "2026-08-26T14:34:25.786Z",
"dateUpdated": "2026-08-28T06:53:05.851Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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