{"api_version":"1","generated_at":"2026-09-09T06:54:47+00:00","cve":"CVE-2026-80871","urls":{"html":"https://cve.report/CVE-2026-80871","api":"https://cve.report/api/cve/CVE-2026-80871.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80871","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80871"},"summary":{"title":"crypto: xilinx-trng - Remove crypto_rng interface","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: xilinx-trng - Remove crypto_rng interface\n\nImplementing the crypto_rng interface has no purpose, as it isn't used\nin practice.  It's being removed from other drivers too.  Just remove\nit.  This leaves hwrng, which is actually used.\n\nTagging with 'Cc stable' due to the bugs that this removes:\n\n  - xtrng_trng_generate() sometimes returned success even when it didn't\n    fill in all the bytes.\n\n  - It was possible for xtrng_trng_generate() and\n    xtrng_hwrng_trng_read() to run concurrently and interfere with each\n    other, as the locking code in xtrng_hwrng_trng_read() was broken.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-04 17:16:59","updated_at":"2026-09-04 17:16:59"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/32b4d29280ed2a991dc196d5845b892acedc63b8","name":"https://git.kernel.org/stable/c/32b4d29280ed2a991dc196d5845b892acedc63b8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9634db561e1594c151923f4950c012161c545c93","name":"https://git.kernel.org/stable/c/9634db561e1594c151923f4950c012161c545c93","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/83f29da85dc9d9a32fe62cd1055e8e6705e6bf80","name":"https://git.kernel.org/stable/c/83f29da85dc9d9a32fe62cd1055e8e6705e6bf80","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80871","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80871","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8979744aca8096ee5072798dfc1181606919b35d 83f29da85dc9d9a32fe62cd1055e8e6705e6bf80 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8979744aca8096ee5072798dfc1181606919b35d 9634db561e1594c151923f4950c012161c545c93 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8979744aca8096ee5072798dfc1181606919b35d 32b4d29280ed2a991dc196d5845b892acedc63b8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 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":{"cve_year":"2026","cve_id":"80871","cve":"CVE-2026-80871","epss":"0.001540000","percentile":"0.048780000","score_date":"2026-09-07","updated_at":"2026-09-08 00:05:27"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/crypto/Kconfig","drivers/crypto/xilinx/xilinx-trng.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"83f29da85dc9d9a32fe62cd1055e8e6705e6bf80","status":"affected","version":"8979744aca8096ee5072798dfc1181606919b35d","versionType":"git"},{"lessThan":"9634db561e1594c151923f4950c012161c545c93","status":"affected","version":"8979744aca8096ee5072798dfc1181606919b35d","versionType":"git"},{"lessThan":"32b4d29280ed2a991dc196d5845b892acedc63b8","status":"affected","version":"8979744aca8096ee5072798dfc1181606919b35d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/crypto/Kconfig","drivers/crypto/xilinx/xilinx-trng.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","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":"6.18.40","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: xilinx-trng - Remove crypto_rng interface\n\nImplementing the crypto_rng interface has no purpose, as it isn't used\nin practice.  It's being removed from other drivers too.  Just remove\nit.  This leaves hwrng, which is actually used.\n\nTagging with 'Cc stable' due to the bugs that this removes:\n\n  - xtrng_trng_generate() sometimes returned success even when it didn't\n    fill in all the bytes.\n\n  - It was possible for xtrng_trng_generate() and\n    xtrng_hwrng_trng_read() to run concurrently and interfere with each\n    other, as the locking code in xtrng_hwrng_trng_read() was broken."}],"providerMetadata":{"dateUpdated":"2026-09-04T16:48:34.587Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/83f29da85dc9d9a32fe62cd1055e8e6705e6bf80"},{"url":"https://git.kernel.org/stable/c/9634db561e1594c151923f4950c012161c545c93"},{"url":"https://git.kernel.org/stable/c/32b4d29280ed2a991dc196d5845b892acedc63b8"}],"title":"crypto: xilinx-trng - Remove crypto_rng interface","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80871","datePublished":"2026-09-04T16:48:34.587Z","dateReserved":"2026-08-26T14:34:25.798Z","dateUpdated":"2026-09-04T16:48:34.587Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 17:16:59","lastModifiedDate":"2026-09-04 17:16:59","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80871","Ordinal":"1","Title":"crypto: xilinx-trng - Remove crypto_rng interface","CVE":"CVE-2026-80871","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80871","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: xilinx-trng - Remove crypto_rng interface\n\nImplementing the crypto_rng interface has no purpose, as it isn't used\nin practice.  It's being removed from other drivers too.  Just remove\nit.  This leaves hwrng, which is actually used.\n\nTagging with 'Cc stable' due to the bugs that this removes:\n\n  - xtrng_trng_generate() sometimes returned success even when it didn't\n    fill in all the bytes.\n\n  - It was possible for xtrng_trng_generate() and\n    xtrng_hwrng_trng_read() to run concurrently and interfere with each\n    other, as the locking code in xtrng_hwrng_trng_read() was broken.","Type":"Description","Title":"crypto: xilinx-trng - Remove crypto_rng interface"}]}}}