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vuln-cve/data/2026/45xxx/CVE-2026-45978.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45978",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-13T15:03:33.090Z",
"datePublished": "2026-05-27T12:18:36.753Z",
"dateUpdated": "2026-05-27T12:18:36.753Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-27T12:18:36.753Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: greybus: lights: avoid NULL deref\n\ngb_lights_light_config() stores channel_count before allocating the\nchannels array. If kcalloc() fails, gb_lights_release() iterates the\nnon-zero count and dereferences light->channels, which is NULL.\n\nAllocate channels first and only then publish channels_count so the\ncleanup path can't walk a NULL pointer."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/staging/greybus/light.c"
],
"versions": [
{
"version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
"lessThan": "a118724d7641b832fa14323e2733e28ae4834552",
"status": "affected",
"versionType": "git"
},
{
"version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
"lessThan": "3cbe694d235d96f628ec7dc6ae4d8bdddb768699",
"status": "affected",
"versionType": "git"
},
{
"version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
"lessThan": "ba5022162da63059bae36c4fd84d7031f582c71f",
"status": "affected",
"versionType": "git"
},
{
"version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
"lessThan": "65f2c608096d766540953d9b170d216aa3b5eb95",
"status": "affected",
"versionType": "git"
},
{
"version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
"lessThan": "01b91cb3e748032fd96bbe0043812b426a52f091",
"status": "affected",
"versionType": "git"
},
{
"version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
"lessThan": "06162d85f830582da6e9e5fcf9c9504d6da9ae0b",
"status": "affected",
"versionType": "git"
},
{
"version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
"lessThan": "da46264a7016034a5bbbad034c012ef218b7d0af",
"status": "affected",
"versionType": "git"
},
{
"version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
"lessThan": "efcffd9a6ad8d190651498d5eda53bfc7cf683a7",
"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/staging/greybus/light.c"
],
"versions": [
{
"version": "4.9",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.9",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.252",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.202",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.165",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.128",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.75",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.14",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.4",
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0",
"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": "4.9",
"versionEndExcluding": "5.10.252"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.9",
"versionEndExcluding": "5.15.202"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.9",
"versionEndExcluding": "6.1.165"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.9",
"versionEndExcluding": "6.6.128"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.9",
"versionEndExcluding": "6.12.75"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.9",
"versionEndExcluding": "6.18.14"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.9",
"versionEndExcluding": "6.19.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.9",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/a118724d7641b832fa14323e2733e28ae4834552"
},
{
"url": "https://git.kernel.org/stable/c/3cbe694d235d96f628ec7dc6ae4d8bdddb768699"
},
{
"url": "https://git.kernel.org/stable/c/ba5022162da63059bae36c4fd84d7031f582c71f"
},
{
"url": "https://git.kernel.org/stable/c/65f2c608096d766540953d9b170d216aa3b5eb95"
},
{
"url": "https://git.kernel.org/stable/c/01b91cb3e748032fd96bbe0043812b426a52f091"
},
{
"url": "https://git.kernel.org/stable/c/06162d85f830582da6e9e5fcf9c9504d6da9ae0b"
},
{
"url": "https://git.kernel.org/stable/c/da46264a7016034a5bbbad034c012ef218b7d0af"
},
{
"url": "https://git.kernel.org/stable/c/efcffd9a6ad8d190651498d5eda53bfc7cf683a7"
}
],
"title": "staging: greybus: lights: avoid NULL deref",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}