{"api_version":"1","generated_at":"2026-09-11T13:58:38+00:00","cve":"CVE-2026-80833","urls":{"html":"https://cve.report/CVE-2026-80833","api":"https://cve.report/api/cve/CVE-2026-80833.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80833","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80833"},"summary":{"title":"crypto: sun8i-ss - Remove crypto_rng interface","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ss - Remove crypto_rng interface\n\nSince the crypto_rng interface for hardware PRNGs is unused and is\nredundant with hwrng and the actual Linux RNG, it's being phased out.\nMost drivers for it were already removed.  Go ahead and remove the\nsun8i-ss support which is one of the only remaining ones.\n\nAs usual for crypto_rng, this driver was also buggy: its ->generate()\nfunction had a use-after-free vulnerability due to using\nwait_for_completion_interruptible_timeout() without handling shutting\ndown the DMA operation if a signal is sent.  Also, it had a buffer\noverread bug in the line 'memcpy(ctx->seed, d + dlen, ctx->slen);'.\nThere's no point in fixing these bugs separately only to remove the code\nanyway, so this commit is marked with Fixes and Cc stable.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-04 16:18:11","updated_at":"2026-09-07 16:17:30"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a78446ee6fae86ac8733f120e3ffce2e5d9384f5","name":"https://git.kernel.org/stable/c/a78446ee6fae86ac8733f120e3ffce2e5d9384f5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8ab58786b4c63b8f1b6c522f33bb67a3c8c2791f","name":"https://git.kernel.org/stable/c/8ab58786b4c63b8f1b6c522f33bb67a3c8c2791f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d29ccf9eeb67d775221e49a079caa1af83427afa","name":"https://git.kernel.org/stable/c/d29ccf9eeb67d775221e49a079caa1af83427afa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7c257a295e05ceb8f78aa3efecc4e9ce19c3313f","name":"https://git.kernel.org/stable/c/7c257a295e05ceb8f78aa3efecc4e9ce19c3313f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80833","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80833","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ac2614d721dea2ff273af19c6c5d508d58a2bb3e d29ccf9eeb67d775221e49a079caa1af83427afa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ac2614d721dea2ff273af19c6c5d508d58a2bb3e 7c257a295e05ceb8f78aa3efecc4e9ce19c3313f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ac2614d721dea2ff273af19c6c5d508d58a2bb3e 8ab58786b4c63b8f1b6c522f33bb67a3c8c2791f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ac2614d721dea2ff273af19c6c5d508d58a2bb3e a78446ee6fae86ac8733f120e3ffce2e5d9384f5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.10","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.109 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.50 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.3 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":{"cve_year":"2026","cve_id":"80833","cve":"CVE-2026-80833","epss":"0.001550000","percentile":"0.049980000","score_date":"2026-09-07","updated_at":"2026-09-08 00:05:25"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/crypto/allwinner/Kconfig","drivers/crypto/allwinner/sun8i-ss/Makefile","drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c","drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c","drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d29ccf9eeb67d775221e49a079caa1af83427afa","status":"affected","version":"ac2614d721dea2ff273af19c6c5d508d58a2bb3e","versionType":"git"},{"lessThan":"7c257a295e05ceb8f78aa3efecc4e9ce19c3313f","status":"affected","version":"ac2614d721dea2ff273af19c6c5d508d58a2bb3e","versionType":"git"},{"lessThan":"8ab58786b4c63b8f1b6c522f33bb67a3c8c2791f","status":"affected","version":"ac2614d721dea2ff273af19c6c5d508d58a2bb3e","versionType":"git"},{"lessThan":"a78446ee6fae86ac8733f120e3ffce2e5d9384f5","status":"affected","version":"ac2614d721dea2ff273af19c6c5d508d58a2bb3e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/crypto/allwinner/Kconfig","drivers/crypto/allwinner/sun8i-ss/Makefile","drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c","drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c","drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.10"},{"lessThan":"5.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.109","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.50","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.3","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":"6.12.109","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.3","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ss - Remove crypto_rng interface\n\nSince the crypto_rng interface for hardware PRNGs is unused and is\nredundant with hwrng and the actual Linux RNG, it's being phased out.\nMost drivers for it were already removed.  Go ahead and remove the\nsun8i-ss support which is one of the only remaining ones.\n\nAs usual for crypto_rng, this driver was also buggy: its ->generate()\nfunction had a use-after-free vulnerability due to using\nwait_for_completion_interruptible_timeout() without handling shutting\ndown the DMA operation if a signal is sent.  Also, it had a buffer\noverread bug in the line 'memcpy(ctx->seed, d + dlen, ctx->slen);'.\nThere's no point in fixing these bugs separately only to remove the code\nanyway, so this commit is marked with Fixes and Cc stable."}],"providerMetadata":{"dateUpdated":"2026-09-07T15:45:11.069Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d29ccf9eeb67d775221e49a079caa1af83427afa"},{"url":"https://git.kernel.org/stable/c/7c257a295e05ceb8f78aa3efecc4e9ce19c3313f"},{"url":"https://git.kernel.org/stable/c/8ab58786b4c63b8f1b6c522f33bb67a3c8c2791f"},{"url":"https://git.kernel.org/stable/c/a78446ee6fae86ac8733f120e3ffce2e5d9384f5"}],"title":"crypto: sun8i-ss - Remove crypto_rng interface","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80833","datePublished":"2026-09-04T15:54:41.795Z","dateReserved":"2026-08-26T14:34:25.796Z","dateUpdated":"2026-09-07T15:45:11.069Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 16:18:11","lastModifiedDate":"2026-09-07 16:17:30","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80833","Ordinal":"1","Title":"crypto: sun8i-ss - Remove crypto_rng interface","CVE":"CVE-2026-80833","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80833","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ss - Remove crypto_rng interface\n\nSince the crypto_rng interface for hardware PRNGs is unused and is\nredundant with hwrng and the actual Linux RNG, it's being phased out.\nMost drivers for it were already removed.  Go ahead and remove the\nsun8i-ss support which is one of the only remaining ones.\n\nAs usual for crypto_rng, this driver was also buggy: its ->generate()\nfunction had a use-after-free vulnerability due to using\nwait_for_completion_interruptible_timeout() without handling shutting\ndown the DMA operation if a signal is sent.  Also, it had a buffer\noverread bug in the line 'memcpy(ctx->seed, d + dlen, ctx->slen);'.\nThere's no point in fixing these bugs separately only to remove the code\nanyway, so this commit is marked with Fixes and Cc stable.","Type":"Description","Title":"crypto: sun8i-ss - Remove crypto_rng interface"}]}}}