{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99257", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.404Z", "datePublished": "2026-11-03T11:25:14.374Z", "dateUpdated": "2026-11-03T11:40:45.753Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-11-03T11:40:45.753Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: shared: gracefully handle no-device lookup of shared GPIOs\n\nWe use platform lookup tables for shared GPIOs. This mechanism needs a\nstruct device to work so fwnode-based lookup with no device associated\ncurrently causes a NULL-pointer deference.\n\nAdding this functionality will require a larger rework and it has never\nworked anyway so add a check that allows the kernel to gracefully handle\nthis situation with an error ahead of implementing that functionality as\na new feature."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpio/gpiolib-shared.c"], "versions": [{"version": "a060b8c511abb0997381b397e52149a5e3e5259a", "lessThan": "7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1", "status": "affected", "versionType": "git"}, {"version": "a060b8c511abb0997381b397e52149a5e3e5259a", "lessThan": "cf73c3fc03c43a8a86fd487c62390b4744eff9ec", "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/gpio/gpiolib-shared.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.13", "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": "7.2.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1"}, {"url": "https://git.kernel.org/stable/c/cf73c3fc03c43a8a86fd487c62390b4744eff9ec"}], "title": "gpio: shared: gracefully handle no-device lookup of shared GPIOs", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpio/gpiolib-shared.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1", "status": "affected", "version": "a060b8c511abb0997381b397e52149a5e3e5259a", "versionType": "git"}, {"lessThan": "cf73c3fc03c43a8a86fd487c62390b4744eff9ec", "status": "affected", "version": "a060b8c511abb0997381b397e52149a5e3e5259a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpio/gpiolib-shared.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"lessThan": "6.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.13", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: shared: gracefully handle no-device lookup of shared GPIOs\n\nWe use platform lookup tables for shared GPIOs. This mechanism needs a\nstruct device to work so fwnode-based lookup with no device associated\ncurrently causes a NULL-pointer deference.\n\nAdding this functionality will require a larger rework and it has never\nworked anyway so add a check that allows the kernel to gracefully handle\nthis situation with an error ahead of implementing that functionality as\na new feature."}], "id": "CVE-2026-99257", "lastModified": "2026-11-03T12:17:32.590", "metrics": {}, "published": "2026-11-03T12:17:32.590", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cf73c3fc03c43a8a86fd487c62390b4744eff9ec"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a060b8c511abb0997381b397e52149a5e3e5259a,7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a060b8c511abb0997381b397e52149a5e3e5259a,cf73c3fc03c43a8a86fd487c62390b4744eff9ec)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a060b8c511abb0997381b397e52149a5e3e5259a,7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a060b8c511abb0997381b397e52149a5e3e5259a,cf73c3fc03c43a8a86fd487c62390b4744eff9ec)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"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": "6.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-11-03T13:30:15.577084+00:00", "updated": "2026-11-03T15:15:14.999582+00:00", "vendors": ["linux", "linux$PRODUCT$linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}