{"api_version":"1","generated_at":"2026-04-23T04:09:59+00:00","cve":"CVE-2018-19854","urls":{"html":"https://cve.report/CVE-2018-19854","api":"https://cve.report/api/cve/CVE-2018-19854.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-19854","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-19854"},"summary":{"title":"CVE-2018-19854","description":"An issue was discovered in the Linux kernel before 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker does not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option).","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2018-12-04 16:29:00","updated_at":"2019-11-06 01:15:00"},"problem_types":["CWE-200"],"metrics":[],"references":[{"url":"https://usn.ubuntu.com/3872-1/","name":"USN-3872-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3872-1: Linux kernel (HWE) vulnerabilities | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2019:3517","name":"RHSA-2019:3517","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3901-1/","name":"USN-3901-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3901-1: Linux kernel vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3901-2/","name":"USN-3901-2","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3901-2: Linux kernel (HWE) vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.3","name":"https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.3","refsource":"MISC","tags":["Vendor Advisory"],"title":"","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43f39958beb206b53292801e216d9b8a660f087","name":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43f39958beb206b53292801e216d9b8a660f087","refsource":"MISC","tags":["Patch","Vendor Advisory"],"title":"kernel/git/torvalds/linux.git - Linux kernel source tree","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3878-2/","name":"USN-3878-2","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3878-2: Linux kernel (Azure) vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/torvalds/linux/commit/f43f39958beb206b53292801e216d9b8a660f087","name":"https://github.com/torvalds/linux/commit/f43f39958beb206b53292801e216d9b8a660f087","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"crypto: user - fix leaking uninitialized memory to userspace · torvalds/linux@f43f399 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://access.redhat.com/errata/RHSA-2019:3309","name":"RHSA-2019:3309","refsource":"REDHAT","tags":[],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/3878-1/","name":"USN-3878-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-3878-1: Linux kernel vulnerabilities | Ubuntu security notices","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-19854","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-19854","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"19854","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-19854","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered in the Linux kernel before 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker does not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option)."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/torvalds/linux/commit/f43f39958beb206b53292801e216d9b8a660f087","refsource":"MISC","url":"https://github.com/torvalds/linux/commit/f43f39958beb206b53292801e216d9b8a660f087"},{"name":"USN-3872-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3872-1/"},{"name":"USN-3901-2","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3901-2/"},{"name":"USN-3878-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3878-1/"},{"name":"USN-3878-2","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3878-2/"},{"name":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43f39958beb206b53292801e216d9b8a660f087","refsource":"MISC","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43f39958beb206b53292801e216d9b8a660f087"},{"name":"https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.3","refsource":"MISC","url":"https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.3"},{"name":"USN-3901-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/3901-1/"},{"refsource":"REDHAT","name":"RHSA-2019:3309","url":"https://access.redhat.com/errata/RHSA-2019:3309"},{"refsource":"REDHAT","name":"RHSA-2019:3517","url":"https://access.redhat.com/errata/RHSA-2019:3517"}]}},"nvd":{"publishedDate":"2018-12-04 16:29:00","lastModifiedDate":"2019-11-06 01:15:00","problem_types":["CWE-200"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM"},"exploitabilityScore":1,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:P/I:N/A:N","accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":1.9},"severity":"LOW","exploitabilityScore":3.4,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"4.19.3","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"19854","Ordinal":"138276","Title":"CVE-2018-19854","CVE":"CVE-2018-19854","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"19854","Ordinal":"1","NoteData":"An issue was discovered in the Linux kernel before 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE: this is a CVE-2013-2547 regression but with easier exploitability because the attacker does not need a capability (however, the system must have the CONFIG_CRYPTO_USER kconfig option).","Type":"Description","Title":null},{"CveYear":"2018","CveId":"19854","Ordinal":"2","NoteData":"2018-12-04","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"19854","Ordinal":"3","NoteData":"2019-11-05","Type":"Other","Title":"Modified"}]}}}