CVE-2019-15902

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Misuse of the upstream \"x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()\" commit reintroduced the Spectre vulnerability that it aimed to eliminate. This occurred because the backport process depends on cherry picking specific commits, and because two (correctly ordered) code lines were swapped."}, {"lang": "es", "value": "Se descubir\u00f3 un error de backporting en el kernel de Linux estable/a largo plazo en sus versiones 4.4.x hasta 4.4.190, versiones 4.9.x hasta 4.9.190, versiones 4.14.x hasta 4.14.141, versiones 4.19.x hasta 4.19.69 y versiones 5.2.x hasta 5.2 .11. El uso incorrecto del commit \"x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()\" aguas arriba reintrodujo la vulnerabilidad Spectre que se pretend\u00eda eliminar. Esto ocurri\u00f3 porque el proceso de backport depende de que cherry recolecte commits espec\u00edficas y porque se intercambiaron dos l\u00edneas de c\u00f3digo (ordenadas correctamente)."}], "id": "CVE-2019-15902", "lastModified": "2026-06-17T02:21:17.903", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.7, "confidentialityImpact": "COMPLETE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.1, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-09-04T06:15:10.780", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://grsecurity.net/teardown_of_a_failed_linux_lts_spectre_fix.php"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Sep/41"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20191004-0001/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4157-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4157-2/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4162-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4162-2/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4163-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4163-2/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4531"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://grsecurity.net/teardown_of_a_failed_linux_lts_spectre_fix.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/bugtraq/2019/Sep/41"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20191004-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4157-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4157-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4162-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4162-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4163-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4163-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2019/dsa-4531"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: backporting error in ptrace_get_debugreg()", "id": "1752081", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1752081"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-416", "details": ["A backporting error was discovered in the Linux stable/longterm kernel 4.4.x through 4.4.190, 4.9.x through 4.9.190, 4.14.x through 4.14.141, 4.19.x through 4.19.69, and 5.2.x through 5.2.11. Misuse of the upstream \"x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()\" commit reintroduced the Spectre vulnerability that it aimed to eliminate. This occurred because the backport process depends on cherry picking specific commits, and because two (correctly ordered) code lines were swapped."], "name": "CVE-2019-15902", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2019-09-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-15902\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-15902"], "threat_severity": "Moderate"}

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