CVE-2026-74611

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If the decrypted record turns\nout not to be unpadded application data, tls_decrypt_sw() retries into\na kernel skb, but leaves the iterator advanced.\n\nThe subsequent copy from the skb then writes decrypted bytes again at\na later point in the caller iovecs while recvmsg() reports only the\npost-retry length. A TLS peer can trigger this after the receiver\nenables TLS_RX_EXPECT_NO_PAD.\n\nRevert the iterator by the number of bytes consumed by the optimistic\nmapping before retrying without zero-copy.\n\nAdd a selftest which sends a TLS 1.3 control record with\nTLS_RX_EXPECT_NO_PAD enabled and verifies that recvmsg() does not\noverwrite later iovecs beyond the returned length."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}, "scenarios": [{"lang": "en", "value": "AV:N - The bug is in kTLS software RX (tls_decrypt_sw/tls_sw_recvmsg) and is driven by TLS 1.3 records received from a remote TCP peer; per kernel CNA guidance, kTLS flaws triggered by peer ciphertext on an established connection are Network-reachable (e.g., malicious client to nginx/HAProxy/NVMe-oF-TLS server).\nAC:L - Once the receiver has TLS 1.3 kTLS RX with TLS_RX_EXPECT_NO_PAD, a remote peer can deterministically trigger the optimistic-decrypt retry by sending a non-application-data inner record (handshake/alert/KeyUpdate) or padded data; no race, special heap layout, or rare kernel build is required.\nPR:N - Exploitation requires only being the remote TLS peer on an established kTLS connection; the attacker needs no credentials or Linux capabilities on the victim host. TLS_RX_EXPECT_NO_PAD is a receiver-side performance option set by the service, not an attacker privilege gate.\nUI:N - No victim user action beyond normal automated server operation (maintaining a TLS session and calling recvmsg on kTLS sockets). The attacker triggers the flaw solely by sending protocol-valid TLS records over the network.\nS:U - The out-of-bounds write corrupts user-space iovec buffers of the process owning the kTLS socket within the same security authority; it does not cross a VM, IOMMU, or sandbox boundary to another security domain.\nC:H - skb_copy_datagram_msg writes decrypted peer-controlled bytes past the recvmsg-reported length into adjacent user buffers. This memory corruption can be leveraged for information disclosure via heap/stack grooming even though the immediate primitive is a write.\nI:H - The remote peer controls the decrypted payload written out-of-bounds (up to a full TLS record, roughly 16 KiB) into later iovecs while recvmsg under-reports bytes copied, giving a reliable user-space memory corruption primitive suitable for control-flow or data hijack in privileged daemons.\nA:H - Corrupting adjacent application buffers in kTLS-enabled daemons (web proxies, storage targets, RPC endpoints) can crash workers or destabilize the service; the silent mismatch between returned length and bytes written also enables persistent denial of service on long-lived connections."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/tls/tls_sw.c", "tools/testing/selftests/net/tls.c"], "versions": [{"version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "97004f3c17371ee1b259887298711e0604666688", "status": "affected", "versionType": "git"}, {"version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "c71bacacd59166adbea423a04e7474b0e8245b84", "status": "affected", "versionType": "git"}, {"version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "3c4e21b1bf8e666a1c141e0f5813ece929570deb", "status": "affected", "versionType": "git"}, {"version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "68787940274ec89f41dc91b1a68ee1a16a90735f", "status": "affected", "versionType": "git"}, {"version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "3c837266a734e2a22b24d2d567404a501d405835", "status": "affected", "versionType": "git"}, {"version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "1c8629651cb54f7b51db8fc0b1a9944e4a4b0f5e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/tls/tls_sw.c", "tools/testing/selftests/net/tls.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.45", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.9", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.0", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.18.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/97004f3c17371ee1b259887298711e0604666688"}, {"url": "https://git.kernel.org/stable/c/c71bacacd59166adbea423a04e7474b0e8245b84"}, {"url": "https://git.kernel.org/stable/c/3c4e21b1bf8e666a1c141e0f5813ece929570deb"}, {"url": "https://git.kernel.org/stable/c/68787940274ec89f41dc91b1a68ee1a16a90735f"}, {"url": "https://git.kernel.org/stable/c/3c837266a734e2a22b24d2d567404a501d405835"}, {"url": "https://git.kernel.org/stable/c/1c8629651cb54f7b51db8fc0b1a9944e4a4b0f5e"}], "title": "tls: rx: restore msg_iter before TLS 1.3 optimistic retry", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-74611", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T19:02:18.342764Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T19:06:01.215Z"}}]}}

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This memory corruption can be leveraged for information disclosure via heap/stack grooming even though the immediate primitive is a write.\nI:H - The remote peer controls the decrypted payload written out-of-bounds (up to a full TLS record, roughly 16 KiB) into later iovecs while recvmsg under-reports bytes copied, giving a reliable user-space memory corruption primitive suitable for control-flow or data hijack in privileged daemons.\nA:H - Corrupting adjacent application buffers in kTLS-enabled daemons (web proxies, storage targets, RPC endpoints) can crash workers or destabilize the service; the silent mismatch between returned length and bytes written also enables persistent denial of service on long-lived connections."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "c71bacacd59166adbea423a04e7474b0e8245b84", "versionType": "git"}, {"status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "3c4e21b1bf8e666a1c141e0f5813ece929570deb", "versionType": "git"}, {"status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "68787940274ec89f41dc91b1a68ee1a16a90735f", "versionType": "git"}, {"status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "3c837266a734e2a22b24d2d567404a501d405835", "versionType": "git"}, {"status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "lessThan": "1c8629651cb54f7b51db8fc0b1a9944e4a4b0f5e", "versionType": "git"}], "programFiles": ["net/tls/tls_sw.c", "tools/testing/selftests/net/tls.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.0"}, {"status": "unaffected", "version": "0", "lessThan": "6.0", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.114", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.45", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.9", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/tls/tls_sw.c", "tools/testing/selftests/net/tls.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/c71bacacd59166adbea423a04e7474b0e8245b84"}, {"url": "https://git.kernel.org/stable/c/3c4e21b1bf8e666a1c141e0f5813ece929570deb"}, {"url": "https://git.kernel.org/stable/c/68787940274ec89f41dc91b1a68ee1a16a90735f"}, {"url": "https://git.kernel.org/stable/c/3c837266a734e2a22b24d2d567404a501d405835"}, {"url": "https://git.kernel.org/stable/c/1c8629651cb54f7b51db8fc0b1a9944e4a4b0f5e"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntls: rx: restore msg_iter before TLS 1.3 optimistic retry\n\ntls_decrypt_sg() advances msg->msg_iter when it maps user pages for\nthe optimistic TLS 1.3 zero-copy path. If the decrypted record turns\nout not to be unpadded application data, tls_decrypt_sw() retries into\na kernel skb, but leaves the iterator advanced.\n\nThe subsequent copy from the skb then writes decrypted bytes again at\na later point in the caller iovecs while recvmsg() reports only the\npost-retry length. A TLS peer can trigger this after the receiver\nenables TLS_RX_EXPECT_NO_PAD.\n\nRevert the iterator by the number of bytes consumed by the optimistic\nmapping before retrying without zero-copy.\n\nAdd a selftest which sends a TLS 1.3 control record with\nTLS_RX_EXPECT_NO_PAD enabled and verifies that recvmsg() does not\noverwrite later iovecs beyond the returned length."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.160", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.114", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.45", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.9", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "6.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:46:05.035Z"}}}, "cveMetadata": {"cveId": "CVE-2026-74611", "state": "PUBLISHED", "dateUpdated": "2026-10-21T12:46:05.035Z", "dateReserved": "2026-08-15T05:44:03.920Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-22T15:31:57.534Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/tls/tls_sw.c", "tools/testing/selftests/net/tls.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "97004f3c17371ee1b259887298711e0604666688", "status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "versionType": "git"}, {"lessThan": "c71bacacd59166adbea423a04e7474b0e8245b84", "status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "versionType": "git"}, {"lessThan": "3c4e21b1bf8e666a1c141e0f5813ece929570deb", "status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "versionType": "git"}, {"lessThan": "68787940274ec89f41dc91b1a68ee1a16a90735f", "status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "versionType": "git"}, {"lessThan": "3c837266a734e2a22b24d2d567404a501d405835", "status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "versionType": "git"}, {"lessThan": "1c8629651cb54f7b51db8fc0b1a9944e4a4b0f5e", "status": "affected", "version": "ce61327ce989b63c0bd1cc7afee00e218ee696ac", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/tls/tls_sw.c", "tools/testing/selftests/net/tls.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.0"}, {"lessThan": "6.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.45", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntls: rx: restore msg_iter before TLS 1.3 optimistic retry\n\ntls_decrypt_sg() advances msg->msg_iter when it maps user pages for\nthe optimistic TLS 1.3 zero-copy path. If the decrypted record turns\nout not to be unpadded application data, tls_decrypt_sw() retries into\na kernel skb, but leaves the iterator advanced.\n\nThe subsequent copy from the skb then writes decrypted bytes again at\na later point in the caller iovecs while recvmsg() reports only the\npost-retry length. A TLS peer can trigger this after the receiver\nenables TLS_RX_EXPECT_NO_PAD.\n\nRevert the iterator by the number of bytes consumed by the optimistic\nmapping before retrying without zero-copy.\n\nAdd a selftest which sends a TLS 1.3 control record with\nTLS_RX_EXPECT_NO_PAD enabled and verifies that recvmsg() does not\noverwrite later iovecs beyond the returned length."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ntls: rx: restaurar msg_iter antes del reintento optimista de TLS 1.3\n\ntls_decrypt_sg() avanza msg -> msg_iter cuando mapea p\u00e1ginas de usuario para la ruta optimista de copia cero de TLS 1.3. Si el registro descifrado resulta no ser datos de aplicaci\u00f3n sin relleno, tls_decrypt_sw() reintenta en un skb del kernel, pero deja el iterador avanzado.\n\nLa copia subsiguiente del skb luego escribe bytes descifrados de nuevo en un punto posterior en los iovecs del llamador mientras que recvmsg() informa solo la longitud posterior al reintento. Un par TLS puede activar esto despu\u00e9s de que el receptor habilite TLS_RX_EXPECT_NO_PAD.\n\nRevertir el iterador por el n\u00famero de bytes consumidos por el mapeo optimista antes de reintentar sin copia cero.\n\nA\u00f1adir una autoprueba que env\u00eda un registro de control TLS 1.3 con TLS_RX_EXPECT_NO_PAD habilitado y verifica que recvmsg() no sobrescribe iovecs posteriores m\u00e1s all\u00e1 de la longitud devuelta."}], "id": "CVE-2026-74611", "lastModified": "2026-10-30T13:20:03.240", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-74611", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T19:02:18.342764Z", "version": "2.0.3"}}]}, "published": "2026-08-22T16:16:33.670", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1c8629651cb54f7b51db8fc0b1a9944e4a4b0f5e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3c4e21b1bf8e666a1c141e0f5813ece929570deb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3c837266a734e2a22b24d2d567404a501d405835"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/68787940274ec89f41dc91b1a68ee1a16a90735f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/97004f3c17371ee1b259887298711e0604666688"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c71bacacd59166adbea423a04e7474b0e8245b84"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: tls: rx: restore msg_iter before TLS 1.3 optimistic retry", "id": "2521466", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521466"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntls: rx: restore msg_iter before TLS 1.3 optimistic retry\ntls_decrypt_sg() advances msg->msg_iter when it maps user pages for\nthe optimistic TLS 1.3 zero-copy path. If the decrypted record turns\nout not to be unpadded application data, tls_decrypt_sw() retries into\na kernel skb, but leaves the iterator advanced.\nThe subsequent copy from the skb then writes decrypted bytes again at\na later point in the caller iovecs while recvmsg() reports only the\npost-retry length. A TLS peer can trigger this after the receiver\nenables TLS_RX_EXPECT_NO_PAD.\nRevert the iterator by the number of bytes consumed by the optimistic\nmapping before retrying without zero-copy.\nAdd a selftest which sends a TLS 1.3 control record with\nTLS_RX_EXPECT_NO_PAD enabled and verifies that recvmsg() does not\noverwrite later iovecs beyond the returned length.", "A flaw was found in the Linux kernel's Transport Layer Security (TLS) 1.3 implementation. When processing TLS 1.3 records with optimistic zero-copy enabled, the tls_decrypt_sg() function fails to properly restore the message iterator during a retry. A remote attacker, by sending a specially crafted TLS 1.3 control record, can exploit this to cause the kernel to write decrypted data to unintended memory locations. This can lead to data corruption or potentially information disclosure."], "name": "CVE-2026-74611", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74611\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74611\nhttps://lore.kernel.org/linux-cve-announce/2026082217-CVE-2026-74611-1af7@gregkh/T"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce61327ce989b63c0bd1cc7afee00e218ee696ac,68787940274ec89f41dc91b1a68ee1a16a90735f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce61327ce989b63c0bd1cc7afee00e218ee696ac,3c837266a734e2a22b24d2d567404a501d405835)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ce61327ce989b63c0bd1cc7afee00e218ee696ac,1c8629651cb54f7b51db8fc0b1a9944e4a4b0f5e)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.45,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.9,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-22T17:45:02.781758+00:00", "updated": "2026-08-25T14:30:19.040620+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}