{"api_version":"1","generated_at":"2026-09-16T16:40:36+00:00","cve":"CVE-2026-89878","urls":{"html":"https://cve.report/CVE-2026-89878","api":"https://cve.report/api/cve/CVE-2026-89878.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89878","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89878"},"summary":{"title":"media: s2255: check firmware size before reading trailing marker","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: check firmware size before reading trailing marker\n\ns2255_probe() reads a 4-byte marker and version from the last 8 bytes\nof the firmware blob (fw->data[fw_size - 8] and [fw_size - 4]). If the\nfirmware file is shorter than 8 bytes, fw_size - 8 underflows and the\naccess reads out of bounds. Validate the firmware size before indexing.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-16 11:16:56","updated_at":"2026-09-16 11:16:56"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/330f2936ab768c7215322a476f033143e8891d28","name":"https://git.kernel.org/stable/c/330f2936ab768c7215322a476f033143e8891d28","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3e03f1209c1c8a45a7bc559f4ecd79d9b33f706d","name":"https://git.kernel.org/stable/c/3e03f1209c1c8a45a7bc559f4ecd79d9b33f706d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7d221859ba45d7228d0138c9a3e55bd3bb31e14e","name":"https://git.kernel.org/stable/c/7d221859ba45d7228d0138c9a3e55bd3bb31e14e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6f6a5b0b0a84c2de0e152f2841e57bc226db924f","name":"https://git.kernel.org/stable/c/6f6a5b0b0a84c2de0e152f2841e57bc226db924f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/342632a4d8ba3fafc1556deee0b7a48dd7860336","name":"https://git.kernel.org/stable/c/342632a4d8ba3fafc1556deee0b7a48dd7860336","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8eca0f85eeb0789be40e637bcf9a21c4265b6c6f","name":"https://git.kernel.org/stable/c/8eca0f85eeb0789be40e637bcf9a21c4265b6c6f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ffc27411ea60b8a09f1fea3d664b65210fdeb454","name":"https://git.kernel.org/stable/c/ffc27411ea60b8a09f1fea3d664b65210fdeb454","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5626785b0e4665326e4d96736c106161da09b2f0","name":"https://git.kernel.org/stable/c/5626785b0e4665326e4d96736c106161da09b2f0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89878","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89878","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 14d962602c8bf86e63c9b9272be1f0360d0a448a 6f6a5b0b0a84c2de0e152f2841e57bc226db924f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 14d962602c8bf86e63c9b9272be1f0360d0a448a 8eca0f85eeb0789be40e637bcf9a21c4265b6c6f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 14d962602c8bf86e63c9b9272be1f0360d0a448a ffc27411ea60b8a09f1fea3d664b65210fdeb454 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 14d962602c8bf86e63c9b9272be1f0360d0a448a 5626785b0e4665326e4d96736c106161da09b2f0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.51 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.5 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/media/usb/s2255/s2255drv.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6f6a5b0b0a84c2de0e152f2841e57bc226db924f","status":"affected","version":"14d962602c8bf86e63c9b9272be1f0360d0a448a","versionType":"git"},{"lessThan":"8eca0f85eeb0789be40e637bcf9a21c4265b6c6f","status":"affected","version":"14d962602c8bf86e63c9b9272be1f0360d0a448a","versionType":"git"},{"lessThan":"ffc27411ea60b8a09f1fea3d664b65210fdeb454","status":"affected","version":"14d962602c8bf86e63c9b9272be1f0360d0a448a","versionType":"git"},{"lessThan":"5626785b0e4665326e4d96736c106161da09b2f0","status":"affected","version":"14d962602c8bf86e63c9b9272be1f0360d0a448a","versionType":"git"},{"lessThan":"3e03f1209c1c8a45a7bc559f4ecd79d9b33f706d","status":"affected","version":"14d962602c8bf86e63c9b9272be1f0360d0a448a","versionType":"git"},{"lessThan":"342632a4d8ba3fafc1556deee0b7a48dd7860336","status":"affected","version":"14d962602c8bf86e63c9b9272be1f0360d0a448a","versionType":"git"},{"lessThan":"7d221859ba45d7228d0138c9a3e55bd3bb31e14e","status":"affected","version":"14d962602c8bf86e63c9b9272be1f0360d0a448a","versionType":"git"},{"lessThan":"330f2936ab768c7215322a476f033143e8891d28","status":"affected","version":"14d962602c8bf86e63c9b9272be1f0360d0a448a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/media/usb/s2255/s2255drv.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.28"},{"lessThan":"2.6.28","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.51","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.51","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.5","versionStartIncluding":"2.6.28","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"2.6.28","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: check firmware size before reading trailing marker\n\ns2255_probe() reads a 4-byte marker and version from the last 8 bytes\nof the firmware blob (fw->data[fw_size - 8] and [fw_size - 4]). If the\nfirmware file is shorter than 8 bytes, fw_size - 8 underflows and the\naccess reads out of bounds. Validate the firmware size before indexing."}],"providerMetadata":{"dateUpdated":"2026-09-16T10:31:44.876Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6f6a5b0b0a84c2de0e152f2841e57bc226db924f"},{"url":"https://git.kernel.org/stable/c/8eca0f85eeb0789be40e637bcf9a21c4265b6c6f"},{"url":"https://git.kernel.org/stable/c/ffc27411ea60b8a09f1fea3d664b65210fdeb454"},{"url":"https://git.kernel.org/stable/c/5626785b0e4665326e4d96736c106161da09b2f0"},{"url":"https://git.kernel.org/stable/c/3e03f1209c1c8a45a7bc559f4ecd79d9b33f706d"},{"url":"https://git.kernel.org/stable/c/342632a4d8ba3fafc1556deee0b7a48dd7860336"},{"url":"https://git.kernel.org/stable/c/7d221859ba45d7228d0138c9a3e55bd3bb31e14e"},{"url":"https://git.kernel.org/stable/c/330f2936ab768c7215322a476f033143e8891d28"}],"title":"media: s2255: check firmware size before reading trailing marker","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89878","datePublished":"2026-09-16T10:31:44.876Z","dateReserved":"2026-09-11T19:38:34.772Z","dateUpdated":"2026-09-16T10:31:44.876Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-16 11:16:56","lastModifiedDate":"2026-09-16 11:16:56","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89878","Ordinal":"1","Title":"media: s2255: check firmware size before reading trailing marker","CVE":"CVE-2026-89878","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89878","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: check firmware size before reading trailing marker\n\ns2255_probe() reads a 4-byte marker and version from the last 8 bytes\nof the firmware blob (fw->data[fw_size - 8] and [fw_size - 4]). If the\nfirmware file is shorter than 8 bytes, fw_size - 8 underflows and the\naccess reads out of bounds. Validate the firmware size before indexing.","Type":"Description","Title":"media: s2255: check firmware size before reading trailing marker"}]}}}