{"api_version":"1","generated_at":"2026-09-11T13:58:38+00:00","cve":"CVE-2026-80834","urls":{"html":"https://cve.report/CVE-2026-80834","api":"https://cve.report/api/cve/CVE-2026-80834.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80834","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80834"},"summary":{"title":"crypto: sun8i-ce - Remove crypto_rng interface","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ce - 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-ce support which is one of the only remaining ones.\n\nNote that the sun8i-ce support for hwrng remains in place.  That is the\ninterface that actually matters.\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.  There's no point in fixing\nthis separately only to remove the code anyway, so this commit is marked\nwith 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/1017f987c5f0841f00408a78f947990c9d84b346","name":"https://git.kernel.org/stable/c/1017f987c5f0841f00408a78f947990c9d84b346","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8e4f9110aba3127024646ef7a8999dcfcc03f516","name":"https://git.kernel.org/stable/c/8e4f9110aba3127024646ef7a8999dcfcc03f516","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/011556f71d094da61379ae3672692cae2795304e","name":"https://git.kernel.org/stable/c/011556f71d094da61379ae3672692cae2795304e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7bb9e6060710eb7b59491d9826169190297adace","name":"https://git.kernel.org/stable/c/7bb9e6060710eb7b59491d9826169190297adace","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80834","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80834","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5eb7e946888493959b1c393144934afcbcd0cfc1 7bb9e6060710eb7b59491d9826169190297adace git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5eb7e946888493959b1c393144934afcbcd0cfc1 8e4f9110aba3127024646ef7a8999dcfcc03f516 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5eb7e946888493959b1c393144934afcbcd0cfc1 1017f987c5f0841f00408a78f947990c9d84b346 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5eb7e946888493959b1c393144934afcbcd0cfc1 011556f71d094da61379ae3672692cae2795304e 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":"80834","cve":"CVE-2026-80834","epss":"0.001550000","percentile":"0.049970000","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-ce/Makefile","drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c","drivers/crypto/allwinner/sun8i-ce/sun8i-ce-prng.c","drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7bb9e6060710eb7b59491d9826169190297adace","status":"affected","version":"5eb7e946888493959b1c393144934afcbcd0cfc1","versionType":"git"},{"lessThan":"8e4f9110aba3127024646ef7a8999dcfcc03f516","status":"affected","version":"5eb7e946888493959b1c393144934afcbcd0cfc1","versionType":"git"},{"lessThan":"1017f987c5f0841f00408a78f947990c9d84b346","status":"affected","version":"5eb7e946888493959b1c393144934afcbcd0cfc1","versionType":"git"},{"lessThan":"011556f71d094da61379ae3672692cae2795304e","status":"affected","version":"5eb7e946888493959b1c393144934afcbcd0cfc1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/crypto/allwinner/Kconfig","drivers/crypto/allwinner/sun8i-ce/Makefile","drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c","drivers/crypto/allwinner/sun8i-ce/sun8i-ce-prng.c","drivers/crypto/allwinner/sun8i-ce/sun8i-ce.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-ce - 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-ce support which is one of the only remaining ones.\n\nNote that the sun8i-ce support for hwrng remains in place.  That is the\ninterface that actually matters.\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.  There's no point in fixing\nthis separately only to remove the code anyway, so this commit is marked\nwith Fixes and Cc stable."}],"providerMetadata":{"dateUpdated":"2026-09-07T15:45:12.621Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7bb9e6060710eb7b59491d9826169190297adace"},{"url":"https://git.kernel.org/stable/c/8e4f9110aba3127024646ef7a8999dcfcc03f516"},{"url":"https://git.kernel.org/stable/c/1017f987c5f0841f00408a78f947990c9d84b346"},{"url":"https://git.kernel.org/stable/c/011556f71d094da61379ae3672692cae2795304e"}],"title":"crypto: sun8i-ce - Remove crypto_rng interface","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80834","datePublished":"2026-09-04T15:54:42.951Z","dateReserved":"2026-08-26T14:34:25.796Z","dateUpdated":"2026-09-07T15:45:12.621Z","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":"80834","Ordinal":"1","Title":"crypto: sun8i-ce - Remove crypto_rng interface","CVE":"CVE-2026-80834","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80834","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ce - 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-ce support which is one of the only remaining ones.\n\nNote that the sun8i-ce support for hwrng remains in place.  That is the\ninterface that actually matters.\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.  There's no point in fixing\nthis separately only to remove the code anyway, so this commit is marked\nwith Fixes and Cc stable.","Type":"Description","Title":"crypto: sun8i-ce - Remove crypto_rng interface"}]}}}