CVE-2026-93163

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93163", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-17T16:02:15.089Z", "datePublished": "2026-09-17T16:11:56.570Z", "dateUpdated": "2026-10-30T12:36:10.984Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:36:10.984Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwrng: core - fix rng list on registration error\n\nhwrng_register(rng) does the following:\n\n1. Checks if rng has name and read methods set\n2. Checks if the name already exists\n3. Adds rng to global rng_list\n4. May try to set rng to current_rng\n\nIf step 4 fails, it returns an error. However, it does not remove the\nrng from rng_list, causing a dangling reference which can result in\nuse-after-free if the caller frees rng, since registration failed.\n\nAdd a list_del_init() cleanup step."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/char/hw_random/core.c"], "versions": [{"version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "lessThan": "30b2cc2966dac87ee95a99c49e28486c2a8129cd", "status": "affected", "versionType": "git"}, {"version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "lessThan": "e37c67f768234e14cd6ea3b081568dd915c5b67e", "status": "affected", "versionType": "git"}, {"version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "lessThan": "de4f1bcb61a73cc896decdbd27d61a34add93b53", "status": "affected", "versionType": "git"}, {"version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "lessThan": "cf293c9c7424de0d04b51367d07f40570ce80231", "status": "affected", "versionType": "git"}, {"version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "lessThan": "bee8d1fcdc8f389b595b0a4cf6fe8440f499458a", "status": "affected", "versionType": "git"}, {"version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "lessThan": "3a5834db2b1ce25649f330e78efe1ccde78967fd", "status": "affected", "versionType": "git"}, {"version": "42802952a2725f85f7e36ee3b29593af5fe87197", "status": "affected", "versionType": "git"}, {"version": "4.9.320", "lessThan": "4.10", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/char/hw_random/core.c"], "versions": [{"version": "4.14", "status": "affected"}, {"version": "0", "lessThan": "4.14", "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": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "4.14", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "7.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.320"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/30b2cc2966dac87ee95a99c49e28486c2a8129cd"}, {"url": "https://git.kernel.org/stable/c/e37c67f768234e14cd6ea3b081568dd915c5b67e"}, {"url": "https://git.kernel.org/stable/c/de4f1bcb61a73cc896decdbd27d61a34add93b53"}, {"url": "https://git.kernel.org/stable/c/cf293c9c7424de0d04b51367d07f40570ce80231"}, {"url": "https://git.kernel.org/stable/c/bee8d1fcdc8f389b595b0a4cf6fe8440f499458a"}, {"url": "https://git.kernel.org/stable/c/3a5834db2b1ce25649f330e78efe1ccde78967fd"}], "title": "hwrng: core - fix rng list on registration error", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/char/hw_random/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "30b2cc2966dac87ee95a99c49e28486c2a8129cd", "status": "affected", "version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "versionType": "git"}, {"lessThan": "e37c67f768234e14cd6ea3b081568dd915c5b67e", "status": "affected", "version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "versionType": "git"}, {"lessThan": "de4f1bcb61a73cc896decdbd27d61a34add93b53", "status": "affected", "version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "versionType": "git"}, {"lessThan": "cf293c9c7424de0d04b51367d07f40570ce80231", "status": "affected", "version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "versionType": "git"}, {"lessThan": "bee8d1fcdc8f389b595b0a4cf6fe8440f499458a", "status": "affected", "version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "versionType": "git"}, {"lessThan": "3a5834db2b1ce25649f330e78efe1ccde78967fd", "status": "affected", "version": "2bbb6983887fefc8026beab01198d30f47b7bd22", "versionType": "git"}, {"status": "affected", "version": "42802952a2725f85f7e36ee3b29593af5fe87197", "versionType": "git"}, {"lessThan": "4.10", "status": "affected", "version": "4.9.320", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/char/hw_random/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.14"}, {"lessThan": "4.14", "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": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\nhwrng: core - fix rng list on registration error\n\nhwrng_register(rng) does the following:\n\n1. Checks if rng has name and read methods set\n2. Checks if the name already exists\n3. Adds rng to global rng_list\n4. May try to set rng to current_rng\n\nIf step 4 fails, it returns an error. However, it does not remove the\nrng from rng_list, causing a dangling reference which can result in\nuse-after-free if the caller frees rng, since registration failed.\n\nAdd a list_del_init() cleanup step."}], "id": "CVE-2026-93163", "lastModified": "2026-10-30T13:20:58.657", "metrics": {}, "published": "2026-09-17T17:18:11.763", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/30b2cc2966dac87ee95a99c49e28486c2a8129cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3a5834db2b1ce25649f330e78efe1ccde78967fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bee8d1fcdc8f389b595b0a4cf6fe8440f499458a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cf293c9c7424de0d04b51367d07f40570ce80231"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/de4f1bcb61a73cc896decdbd27d61a34add93b53"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e37c67f768234e14cd6ea3b081568dd915c5b67e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2bbb6983887fefc8026beab01198d30f47b7bd22,de4f1bcb61a73cc896decdbd27d61a34add93b53)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2bbb6983887fefc8026beab01198d30f47b7bd22,cf293c9c7424de0d04b51367d07f40570ce80231)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2bbb6983887fefc8026beab01198d30f47b7bd22,bee8d1fcdc8f389b595b0a4cf6fe8440f499458a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2bbb6983887fefc8026beab01198d30f47b7bd22,3a5834db2b1ce25649f330e78efe1ccde78967fd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "42802952a2725f85f7e36ee3b29593af5fe87197"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.9.320,4.10)"}}], "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": "semver", "value": "4.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "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": "2026-09-19T08:45:06.629339+00:00", "updated": "2026-09-19T18:45:14.381649+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}