{"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":"2026-09-17T16:07:16.281Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:07:16.281Z"},"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-rc1","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-rc1"}]}]}],"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"}}}}