CVE-2017-15299

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "90F3E159-291B-49D0-ACC2-11046DE3849B", "versionEndIncluding": "4.13.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call."}, {"lang": "es", "value": "El subsistema de claves KEYS en el kernel Linux hasta la versi\u00f3n 4.13.7 gestiona de manera incorrecta el uso de add_key para una clave que ya existe, pero no se ha probado, lo que permite que usuarios locales provoquen una denegaci\u00f3n de servicio (desreferencia de puntero NULL y cierre inesperado del sistema) o que tengan un impacto sin especificar mediante una llamada del sistema manipulada."}], "id": "CVE-2017-15299", "lastModified": "2026-06-17T01:07:32.817", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-10-14T23:29:00.323", "references": [{"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2018:0654"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1498016"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://marc.info/?t=150654188100001&r=1&w=2"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://marc.info/?t=150783958600011&r=1&w=2"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/3798-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/3798-2/"}, {"source": "cve@mitre.org", "url": "https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2018:0654"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1498016"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://marc.info/?t=150654188100001&r=1&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://marc.info/?t=150783958600011&r=1&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/3798-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/3798-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2018:0654", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-alt-0:4.14.0-49.el7a", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-04-10T00:00:00Z"}], "bugzilla": {"description": "kernel: Incorrect updates of uninstantiated keys crash the kernel", "id": "1498016", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1498016"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.", "A vulnerability was found in the key management subsystem of the Linux kernel. An update on an uninstantiated key could cause a kernel panic, leading to denial of service (DoS)."], "name": "CVE-2017-15299", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2017-09-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-15299\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-15299"], "statement": "This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5 and 6, as the code with the flaw is not present in the products listed.\nThis issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2. Future updates for the respective releases may address this issue.", "threat_severity": "Moderate"}

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