{"api_version":"1","generated_at":"2026-10-26T06:23:09+00:00","cve":"CVE-2026-98912","urls":{"html":"https://cve.report/CVE-2026-98912","api":"https://cve.report/api/cve/CVE-2026-98912.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98912","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98912"},"summary":{"title":"ALSA: seq: oss: Reject reads that cannot fit the next event","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: seq: oss: Reject reads that cannot fit the next event\n\nsnd_seq_oss_read() checks whether the next queued OSS sequencer event\nfits in the remaining userspace buffer before removing it from the read\nqueue.\n\nThe check is inverted. It currently stops when the event is smaller than\nthe remaining buffer, so a normal 4-byte event is not copied for an\n8-byte read buffer. Conversely, an 8-byte event can be copied for a\nsmaller read count.\n\nBreak only when the remaining userspace buffer is smaller than the next\nevent, and report -EINVAL if no complete event has been copied. This\nprevents an undersized read from looking like end-of-file while leaving\nthe event queued for a later read with a large enough buffer.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-23 12:18:25","updated_at":"2026-10-23 12:18:25"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b3b4b647313757a275be7f7f9d0415d0a90acf73","name":"https://git.kernel.org/stable/c/b3b4b647313757a275be7f7f9d0415d0a90acf73","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/611f538253d970f4d152003841544e875828d015","name":"https://git.kernel.org/stable/c/611f538253d970f4d152003841544e875828d015","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/372bec8a01e2ab8eaa6851bdc346ede5f82dba99","name":"https://git.kernel.org/stable/c/372bec8a01e2ab8eaa6851bdc346ede5f82dba99","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7483fd5f6990f43cc266e94b3f50ce84856ebb97","name":"https://git.kernel.org/stable/c/7483fd5f6990f43cc266e94b3f50ce84856ebb97","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2922cf2583e590f51bed613a6fcd27b9aea83674","name":"https://git.kernel.org/stable/c/2922cf2583e590f51bed613a6fcd27b9aea83674","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/20b8520d1ef996173065f7abdde47b99136c0785","name":"https://git.kernel.org/stable/c/20b8520d1ef996173065f7abdde47b99136c0785","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/591226398c1f93bd994678237ff0be229b19d3bb","name":"https://git.kernel.org/stable/c/591226398c1f93bd994678237ff0be229b19d3bb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98912","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98912","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 b3b4b647313757a275be7f7f9d0415d0a90acf73 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 591226398c1f93bd994678237ff0be229b19d3bb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 372bec8a01e2ab8eaa6851bdc346ede5f82dba99 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 2922cf2583e590f51bed613a6fcd27b9aea83674 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 7483fd5f6990f43cc266e94b3f50ce84856ebb97 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 20b8520d1ef996173065f7abdde47b99136c0785 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 611f538253d970f4d152003841544e875828d015 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.10.271 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15.222 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1.189 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.158 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.111 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.53 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.271 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.222 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * 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":["sound/core/seq/oss/seq_oss_rw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b3b4b647313757a275be7f7f9d0415d0a90acf73","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"591226398c1f93bd994678237ff0be229b19d3bb","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"372bec8a01e2ab8eaa6851bdc346ede5f82dba99","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"2922cf2583e590f51bed613a6fcd27b9aea83674","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"7483fd5f6990f43cc266e94b3f50ce84856ebb97","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"20b8520d1ef996173065f7abdde47b99136c0785","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"611f538253d970f4d152003841544e875828d015","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"5.10.271","status":"affected","version":"0","versionType":"semver"},{"lessThan":"5.15.222","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.1.189","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.6.158","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.12.111","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.18.53","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/core/seq/oss/seq_oss_rw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.271","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.271","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: seq: oss: Reject reads that cannot fit the next event\n\nsnd_seq_oss_read() checks whether the next queued OSS sequencer event\nfits in the remaining userspace buffer before removing it from the read\nqueue.\n\nThe check is inverted. It currently stops when the event is smaller than\nthe remaining buffer, so a normal 4-byte event is not copied for an\n8-byte read buffer. Conversely, an 8-byte event can be copied for a\nsmaller read count.\n\nBreak only when the remaining userspace buffer is smaller than the next\nevent, and report -EINVAL if no complete event has been copied. This\nprevents an undersized read from looking like end-of-file while leaving\nthe event queued for a later read with a large enough buffer."}],"providerMetadata":{"dateUpdated":"2026-10-23T11:55:04.908Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b3b4b647313757a275be7f7f9d0415d0a90acf73"},{"url":"https://git.kernel.org/stable/c/591226398c1f93bd994678237ff0be229b19d3bb"},{"url":"https://git.kernel.org/stable/c/372bec8a01e2ab8eaa6851bdc346ede5f82dba99"},{"url":"https://git.kernel.org/stable/c/2922cf2583e590f51bed613a6fcd27b9aea83674"},{"url":"https://git.kernel.org/stable/c/7483fd5f6990f43cc266e94b3f50ce84856ebb97"},{"url":"https://git.kernel.org/stable/c/20b8520d1ef996173065f7abdde47b99136c0785"},{"url":"https://git.kernel.org/stable/c/611f538253d970f4d152003841544e875828d015"}],"title":"ALSA: seq: oss: Reject reads that cannot fit the next event","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98912","datePublished":"2026-10-23T11:55:04.908Z","dateReserved":"2026-09-25T10:25:14.379Z","dateUpdated":"2026-10-23T11:55:04.908Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-23 12:18:25","lastModifiedDate":"2026-10-23 12:18:25","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98912","Ordinal":"1","Title":"ALSA: seq: oss: Reject reads that cannot fit the next event","CVE":"CVE-2026-98912","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98912","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: seq: oss: Reject reads that cannot fit the next event\n\nsnd_seq_oss_read() checks whether the next queued OSS sequencer event\nfits in the remaining userspace buffer before removing it from the read\nqueue.\n\nThe check is inverted. It currently stops when the event is smaller than\nthe remaining buffer, so a normal 4-byte event is not copied for an\n8-byte read buffer. Conversely, an 8-byte event can be copied for a\nsmaller read count.\n\nBreak only when the remaining userspace buffer is smaller than the next\nevent, and report -EINVAL if no complete event has been copied. This\nprevents an undersized read from looking like end-of-file while leaving\nthe event queued for a later read with a large enough buffer.","Type":"Description","Title":"ALSA: seq: oss: Reject reads that cannot fit the next event"}]}}}