{"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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/staging/greybus/light.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a118724d7641b832fa14323e2733e28ae4834552", "status": "affected", "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48", "versionType": "git"}, {"lessThan": "3cbe694d235d96f628ec7dc6ae4d8bdddb768699", "status": "affected", "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48", "versionType": "git"}, {"lessThan": "ba5022162da63059bae36c4fd84d7031f582c71f", "status": "affected", "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48", "versionType": "git"}, {"lessThan": "65f2c608096d766540953d9b170d216aa3b5eb95", "status": "affected", "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48", "versionType": "git"}, {"lessThan": "01b91cb3e748032fd96bbe0043812b426a52f091", "status": "affected", "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48", "versionType": "git"}, {"lessThan": "06162d85f830582da6e9e5fcf9c9504d6da9ae0b", "status": "affected", "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48", "versionType": "git"}, {"lessThan": "da46264a7016034a5bbbad034c012ef218b7d0af", "status": "affected", "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48", "versionType": "git"}, {"lessThan": "efcffd9a6ad8d190651498d5eda53bfc7cf683a7", "status": "affected", "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/staging/greybus/light.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.9"}, {"lessThan": "4.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.252", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.202", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.165", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.128", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.75", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.14", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "76AC1846-5EF5-4C28-9E88-EED4D74FB8F9", "versionEndExcluding": "5.10.252", "versionStartIncluding": "4.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4002FC2B-1456-4666-B240-0EBF590C4671", "versionEndExcluding": "5.15.202", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654", "versionEndExcluding": "6.1.165", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2", "versionEndExcluding": "6.6.128", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BF463CB7-1F58-4607-B847-77ED23E4B9B7", "versionEndExcluding": "6.18.14", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092", "versionEndExcluding": "6.19.4", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2026-45978", "lastModified": "2026-06-17T10:52:50.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-27T14:17:14.903", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/01b91cb3e748032fd96bbe0043812b426a52f091"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/06162d85f830582da6e9e5fcf9c9504d6da9ae0b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3cbe694d235d96f628ec7dc6ae4d8bdddb768699"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/65f2c608096d766540953d9b170d216aa3b5eb95"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a118724d7641b832fa14323e2733e28ae4834552"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ba5022162da63059bae36c4fd84d7031f582c71f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/da46264a7016034a5bbbad034c012ef218b7d0af"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/efcffd9a6ad8d190651498d5eda53bfc7cf683a7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: staging: greybus: lights: avoid NULL deref", "id": "2482193", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482193"}, "csaw": false, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's Greybus Lights subsystem. This vulnerability occurs when the `gb_lights_light_config()` function attempts to store a channel count before successfully allocating the corresponding channels array. If the memory allocation fails, a subsequent cleanup operation can try to access a non-existent memory location, leading to a null pointer dereference. This can result in a system crash, causing a Denial of Service (DoS) for affected systems."], "name": "CVE-2026-45978", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45978\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45978\nhttps://lore.kernel.org/linux-cve-announce/2026052737-CVE-2026-45978-c2e9@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2870b52bae4c81823ffcb3ed2b0626fb39d64f48,a118724d7641b832fa14323e2733e28ae4834552)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2870b52bae4c81823ffcb3ed2b0626fb39d64f48,3cbe694d235d96f628ec7dc6ae4d8bdddb768699)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2870b52bae4c81823ffcb3ed2b0626fb39d64f48,ba5022162da63059bae36c4fd84d7031f582c71f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2870b52bae4c81823ffcb3ed2b0626fb39d64f48,65f2c608096d766540953d9b170d216aa3b5eb95)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2870b52bae4c81823ffcb3ed2b0626fb39d64f48,01b91cb3e748032fd96bbe0043812b426a52f091)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2870b52bae4c81823ffcb3ed2b0626fb39d64f48,06162d85f830582da6e9e5fcf9c9504d6da9ae0b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2870b52bae4c81823ffcb3ed2b0626fb39d64f48,da46264a7016034a5bbbad034c012ef218b7d0af)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2870b52bae4c81823ffcb3ed2b0626fb39d64f48,efcffd9a6ad8d190651498d5eda53bfc7cf683a7)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.9"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.252,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.202,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.165,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.128,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.75,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.14,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.4,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-27T20:45:25.615948+00:00", "updated": "2026-06-18T00:00:05.848635+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}