{"id":"CVE-2026-98583","state":"PUBLISHED","title":"nfc: nfcmrvl: validate helper command length before pull","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: nfcmrvl: validate helper command length before pull\n\nThe firmware download receive path removes the NCI data header and\nreads the helper command before validating the remaining packet length.\nA short frame can therefore reach the data access before the malformed\npacket is rejected.\n\nValidate the complete helper command length before stripping the NCI\ndata header.","publishedAt":"2026-10-18T15:18:56.360Z","updatedAt":"2026-10-19T09:22:09.019Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"842c0603cfa49530ef081f181a2ddbba77a37231","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"e4b012240c8aaf57cec192234c24e0db5f531ffa","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"f15ad9d6e9173a037587dded77c904fdae8df380","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"4d4601e182c8567329be7d919669ec4d847ddd93","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"ed2e00bb22c73156bf8030b6204deabb25cf4eb5","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"686f942332b1667f13f3b8d6a2f50bcfbf42e277","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/nfcmrvl/fw_dnld.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/nfcmrvl/fw_dnld.c"]}],"references":["https://git.kernel.org/stable/c/842c0603cfa49530ef081f181a2ddbba77a37231","https://git.kernel.org/stable/c/e4b012240c8aaf57cec192234c24e0db5f531ffa","https://git.kernel.org/stable/c/f15ad9d6e9173a037587dded77c904fdae8df380","https://git.kernel.org/stable/c/a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9","https://git.kernel.org/stable/c/4d4601e182c8567329be7d919669ec4d847ddd93","https://git.kernel.org/stable/c/ed2e00bb22c73156bf8030b6204deabb25cf4eb5","https://git.kernel.org/stable/c/6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c","https://git.kernel.org/stable/c/686f942332b1667f13f3b8d6a2f50bcfbf42e277"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98583.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98583","state":"PUBLISHED","datePublished":"2026-10-18T15:18:56.360Z","dateUpdated":"2026-10-19T09:22:09.019Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.358Z"},"containers":{"cna":{"title":"nfc: nfcmrvl: validate helper command length before pull","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: nfcmrvl: validate helper command length before pull\n\nThe firmware download receive path removes the NCI data header and\nreads the helper command before validating the remaining packet length.\nA short frame can therefore reach the data access before the malformed\npacket is rejected.\n\nValidate the complete helper command length before stripping the NCI\ndata header."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"842c0603cfa49530ef081f181a2ddbba77a37231","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"e4b012240c8aaf57cec192234c24e0db5f531ffa","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"f15ad9d6e9173a037587dded77c904fdae8df380","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"4d4601e182c8567329be7d919669ec4d847ddd93","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"ed2e00bb22c73156bf8030b6204deabb25cf4eb5","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c","versionType":"git"},{"version":"3194c6870158e305dac2af52f83681e9cb67280f","status":"affected","lessThan":"686f942332b1667f13f3b8d6a2f50bcfbf42e277","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/nfcmrvl/fw_dnld.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.4","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/nfcmrvl/fw_dnld.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/842c0603cfa49530ef081f181a2ddbba77a37231"},{"url":"https://git.kernel.org/stable/c/e4b012240c8aaf57cec192234c24e0db5f531ffa"},{"url":"https://git.kernel.org/stable/c/f15ad9d6e9173a037587dded77c904fdae8df380"},{"url":"https://git.kernel.org/stable/c/a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9"},{"url":"https://git.kernel.org/stable/c/4d4601e182c8567329be7d919669ec4d847ddd93"},{"url":"https://git.kernel.org/stable/c/ed2e00bb22c73156bf8030b6204deabb25cf4eb5"},{"url":"https://git.kernel.org/stable/c/6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c"},{"url":"https://git.kernel.org/stable/c/686f942332b1667f13f3b8d6a2f50bcfbf42e277"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:22:09.019Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}