CVE-2026-90197

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90197", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.792Z", "datePublished": "2026-09-17T16:07:16.281Z", "dateUpdated": "2026-10-19T08:59:33.533Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:59:33.533Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: haptic: don't write an uninitialized value to unhandled usages\n\nfill_effect_buf() initializes value only for the four haptic usages\nhandled by its switch, but writes it to field->value[] for every usage.\nAn unhandled usage can therefore receive either an uninitialized value\nor one left over from the previous usage. hid_output_report() then\nserializes that value into the effect's report buffer.\n\nSkip unhandled usages instead. This also matches switch_mode(), which\nonly updates fields it recognizes.\n\nFound with Clang's -Wconditional-uninitialized."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/hid-haptic.c"], "versions": [{"version": "344ff358495706abc7aac1e0c59a5bb16b350307", "lessThan": "324cc98b71f0d3dee7367ef3c669fd80747e71b6", "status": "affected", "versionType": "git"}, {"version": "344ff358495706abc7aac1e0c59a5bb16b350307", "lessThan": "2d92c250815cba6bffd64f0125fac7afe4fa6ce0", "status": "affected", "versionType": "git"}, {"version": "344ff358495706abc7aac1e0c59a5bb16b350307", "lessThan": "3efb7f6491526f5012f9ec94769e9ed832feeef8", "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/hid/hid-haptic.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "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": "6.18", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/324cc98b71f0d3dee7367ef3c669fd80747e71b6"}, {"url": "https://git.kernel.org/stable/c/2d92c250815cba6bffd64f0125fac7afe4fa6ce0"}, {"url": "https://git.kernel.org/stable/c/3efb7f6491526f5012f9ec94769e9ed832feeef8"}], "title": "HID: haptic: don't write an uninitialized value to unhandled usages", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/hid/hid-haptic.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "324cc98b71f0d3dee7367ef3c669fd80747e71b6", "status": "affected", "version": "344ff358495706abc7aac1e0c59a5bb16b350307", "versionType": "git"}, {"lessThan": "2d92c250815cba6bffd64f0125fac7afe4fa6ce0", "status": "affected", "version": "344ff358495706abc7aac1e0c59a5bb16b350307", "versionType": "git"}, {"lessThan": "3efb7f6491526f5012f9ec94769e9ed832feeef8", "status": "affected", "version": "344ff358495706abc7aac1e0c59a5bb16b350307", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/hid/hid-haptic.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "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\nHID: haptic: don't write an uninitialized value to unhandled usages\n\nfill_effect_buf() initializes value only for the four haptic usages\nhandled by its switch, but writes it to field->value[] for every usage.\nAn unhandled usage can therefore receive either an uninitialized value\nor one left over from the previous usage. hid_output_report() then\nserializes that value into the effect's report buffer.\n\nSkip unhandled usages instead. This also matches switch_mode(), which\nonly updates fields it recognizes.\n\nFound with Clang's -Wconditional-uninitialized."}], "id": "CVE-2026-90197", "lastModified": "2026-10-19T09:19:09.703", "metrics": {}, "published": "2026-09-17T17:17:14.530", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2d92c250815cba6bffd64f0125fac7afe4fa6ce0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/324cc98b71f0d3dee7367ef3c669fd80747e71b6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3efb7f6491526f5012f9ec94769e9ed832feeef8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[344ff358495706abc7aac1e0c59a5bb16b350307,324cc98b71f0d3dee7367ef3c669fd80747e71b6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[344ff358495706abc7aac1e0c59a5bb16b350307,2d92c250815cba6bffd64f0125fac7afe4fa6ce0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[344ff358495706abc7aac1e0c59a5bb16b350307,3efb7f6491526f5012f9ec94769e9ed832feeef8)"}}], "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": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-19T03:30:18.173924+00:00", "updated": "2026-09-19T10:00:07.452972+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-788"]}