{"api_version":"1","generated_at":"2026-09-05T19:24:01+00:00","cve":"CVE-2026-80904","urls":{"html":"https://cve.report/CVE-2026-80904","api":"https://cve.report/api/cve/CVE-2026-80904.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80904","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80904"},"summary":{"title":"net/tls: Fail tls_sw_splice_read() after a failed async decrypt","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tls: Fail tls_sw_splice_read() after a failed async decrypt\n\nWhen an async decrypt fails, tls_decrypt_done() records the error in\nctx->async_wait.err and calls tls_err_abort(), which stores it in\nsk_err. tls_sw_recvmsg() and tls_sw_read_sock() each read\nasync_wait.err once they hold the reader lock and fail the call: a\nrecord that did not authenticate breaks the connection.\n\ntls_sw_splice_read() has no such check, and sk_err does not stand in\nfor one. tls_rx_rec_wait() tests sk_err only inside the loop it\nskips whenever a record is already parsed, and the first reader to\nreach sock_error() clears it, while async_wait.err persists. A\nsplice therefore keeps delivering records on a connection that\nrecvmsg() and read_sock() refuse to read.\n\nRead async_wait.err in tls_sw_splice_read() as the other two readers\ndo.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-04 18:17:59","updated_at":"2026-09-04 18:17:59"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4b177911eb9f799e9841c2f87c75b08cb112757a","name":"https://git.kernel.org/stable/c/4b177911eb9f799e9841c2f87c75b08cb112757a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/06c2a53604fa1dc4820063828d7dadb3675b7af8","name":"https://git.kernel.org/stable/c/06c2a53604fa1dc4820063828d7dadb3675b7af8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/82d9269f01ebfd835b6256aa17016a974cbbc647","name":"https://git.kernel.org/stable/c/82d9269f01ebfd835b6256aa17016a974cbbc647","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/18ae1e95f20867106a28820c208a9cec99dda861","name":"https://git.kernel.org/stable/c/18ae1e95f20867106a28820c208a9cec99dda861","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/976df67f463db1fddaf2a32fb04f57ad2891a23d","name":"https://git.kernel.org/stable/c/976df67f463db1fddaf2a32fb04f57ad2891a23d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a808aadff634c7a408b2ab84d5919e9a741fdb5b","name":"https://git.kernel.org/stable/c/a808aadff634c7a408b2ab84d5919e9a741fdb5b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80904","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80904","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f314bfee81b1bf8e01168177b2f65f24eb8da63a a808aadff634c7a408b2ab84d5919e9a741fdb5b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f314bfee81b1bf8e01168177b2f65f24eb8da63a 06c2a53604fa1dc4820063828d7dadb3675b7af8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f314bfee81b1bf8e01168177b2f65f24eb8da63a 18ae1e95f20867106a28820c208a9cec99dda861 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f314bfee81b1bf8e01168177b2f65f24eb8da63a 82d9269f01ebfd835b6256aa17016a974cbbc647 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f314bfee81b1bf8e01168177b2f65f24eb8da63a 4b177911eb9f799e9841c2f87c75b08cb112757a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f314bfee81b1bf8e01168177b2f65f24eb8da63a 976df67f463db1fddaf2a32fb04f57ad2891a23d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.184 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.153 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.105 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.46 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.10 7.1.* 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":["net/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a808aadff634c7a408b2ab84d5919e9a741fdb5b","status":"affected","version":"f314bfee81b1bf8e01168177b2f65f24eb8da63a","versionType":"git"},{"lessThan":"06c2a53604fa1dc4820063828d7dadb3675b7af8","status":"affected","version":"f314bfee81b1bf8e01168177b2f65f24eb8da63a","versionType":"git"},{"lessThan":"18ae1e95f20867106a28820c208a9cec99dda861","status":"affected","version":"f314bfee81b1bf8e01168177b2f65f24eb8da63a","versionType":"git"},{"lessThan":"82d9269f01ebfd835b6256aa17016a974cbbc647","status":"affected","version":"f314bfee81b1bf8e01168177b2f65f24eb8da63a","versionType":"git"},{"lessThan":"4b177911eb9f799e9841c2f87c75b08cb112757a","status":"affected","version":"f314bfee81b1bf8e01168177b2f65f24eb8da63a","versionType":"git"},{"lessThan":"976df67f463db1fddaf2a32fb04f57ad2891a23d","status":"affected","version":"f314bfee81b1bf8e01168177b2f65f24eb8da63a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.19"},{"lessThan":"5.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.184","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.153","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.105","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.46","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.10","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":"6.1.184","versionStartIncluding":"5.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.153","versionStartIncluding":"5.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.105","versionStartIncluding":"5.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.46","versionStartIncluding":"5.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.10","versionStartIncluding":"5.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tls: Fail tls_sw_splice_read() after a failed async decrypt\n\nWhen an async decrypt fails, tls_decrypt_done() records the error in\nctx->async_wait.err and calls tls_err_abort(), which stores it in\nsk_err. tls_sw_recvmsg() and tls_sw_read_sock() each read\nasync_wait.err once they hold the reader lock and fail the call: a\nrecord that did not authenticate breaks the connection.\n\ntls_sw_splice_read() has no such check, and sk_err does not stand in\nfor one. tls_rx_rec_wait() tests sk_err only inside the loop it\nskips whenever a record is already parsed, and the first reader to\nreach sock_error() clears it, while async_wait.err persists. A\nsplice therefore keeps delivering records on a connection that\nrecvmsg() and read_sock() refuse to read.\n\nRead async_wait.err in tls_sw_splice_read() as the other two readers\ndo."}],"providerMetadata":{"dateUpdated":"2026-09-04T17:19:14.391Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/a808aadff634c7a408b2ab84d5919e9a741fdb5b"},{"url":"https://git.kernel.org/stable/c/06c2a53604fa1dc4820063828d7dadb3675b7af8"},{"url":"https://git.kernel.org/stable/c/18ae1e95f20867106a28820c208a9cec99dda861"},{"url":"https://git.kernel.org/stable/c/82d9269f01ebfd835b6256aa17016a974cbbc647"},{"url":"https://git.kernel.org/stable/c/4b177911eb9f799e9841c2f87c75b08cb112757a"},{"url":"https://git.kernel.org/stable/c/976df67f463db1fddaf2a32fb04f57ad2891a23d"}],"title":"net/tls: Fail tls_sw_splice_read() after a failed async decrypt","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80904","datePublished":"2026-09-04T17:19:14.391Z","dateReserved":"2026-08-26T14:34:25.800Z","dateUpdated":"2026-09-04T17:19:14.391Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 18:17:59","lastModifiedDate":"2026-09-04 18:17:59","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80904","Ordinal":"1","Title":"net/tls: Fail tls_sw_splice_read() after a failed async decrypt","CVE":"CVE-2026-80904","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80904","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tls: Fail tls_sw_splice_read() after a failed async decrypt\n\nWhen an async decrypt fails, tls_decrypt_done() records the error in\nctx->async_wait.err and calls tls_err_abort(), which stores it in\nsk_err. tls_sw_recvmsg() and tls_sw_read_sock() each read\nasync_wait.err once they hold the reader lock and fail the call: a\nrecord that did not authenticate breaks the connection.\n\ntls_sw_splice_read() has no such check, and sk_err does not stand in\nfor one. tls_rx_rec_wait() tests sk_err only inside the loop it\nskips whenever a record is already parsed, and the first reader to\nreach sock_error() clears it, while async_wait.err persists. A\nsplice therefore keeps delivering records on a connection that\nrecvmsg() and read_sock() refuse to read.\n\nRead async_wait.err in tls_sw_splice_read() as the other two readers\ndo.","Type":"Description","Title":"net/tls: Fail tls_sw_splice_read() after a failed async decrypt"}]}}}