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vuln-cve/data/2026/89xxx/CVE-2026-89976.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-89976",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-11T19:38:34.779Z",
"datePublished": "2026-09-16T10:32:54.518Z",
"dateUpdated": "2026-10-19T08:55:51.093Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-19T08:55:51.093Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/ethosu: fix job completion fence cleanup\n\nethosu_ioctl_submit_job() allocates done_fence before validating buffer\nhandles. Errors after allocation call ethosu_job_err_cleanup(), which frees\nthe job but leaks the uninitialized fence.\n\nA scheduler dependency error also lets ethosu_job_run() return before\ndma_fence_init(). Normal cleanup then passes a zeroed refcount to\ndma_fence_put().\n\nRelease done_fence in the common cleanup path and use\ndma_fence_was_initialized() to distinguish initialized fences from raw\nallocations.\n\n[robh: also fix goto]"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/accel/ethosu/ethosu_job.c"
],
"versions": [
{
"version": "5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b",
"lessThan": "b3e0f79af1f27339d8d2527c02cc3e8397c2f69f",
"status": "affected",
"versionType": "git"
},
{
"version": "5a5e9c0228e613f0ef2a58b9782d7c0ea8f1e58b",
"lessThan": "2d2a3adc91950f9a18829dadc7317fb5180a15c5",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/accel/ethosu/ethosu_job.c"
],
"versions": [
{
"version": "6.19",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.19",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.5",
"lessThanOrEqual": "7.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.3",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.19",
"versionEndExcluding": "7.2.5"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.19",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/b3e0f79af1f27339d8d2527c02cc3e8397c2f69f"
},
{
"url": "https://git.kernel.org/stable/c/2d2a3adc91950f9a18829dadc7317fb5180a15c5"
}
],
"title": "accel/ethosu: fix job completion fence cleanup",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}