{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-05T00:48:49.304","vulnerabilities":[{"cve":{"id":"CVE-2018-1091","sourceIdentifier":"secalert@redhat.com","published":"2018-03-27T21:29:00.720","lastModified":"2024-11-21T03:59:09.780","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service."},{"lang":"es","value":"En la función flush_tmregs_to_thread en arch/powerpc/kernel/ptrace.c en el kernel de Linux, en versiones anteriores a la 4.13.5, se puede desencadenar un cierre inesperado del kernel invitado desde un espacio de usuario sin privilegios durante un volcado de memoria en un host POWER. Esto se debe a la falta de verificación de la funcionalidad del procesador y un uso erróneo de las instrucciones de la memoria transaccional (TM) en la ruta de volcado de memoria, lo que da lugar a una denegación de servicio (DoS)."}],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:N/I:N/A:C","baseScore":4.9,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-391"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-119"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndIncluding":"4.13.4","matchCriteriaId":"928AB8DD-8573-4425-803D-1B164491BF77"}]}]}],"references":[{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70","source":"secalert@redhat.com","tags":["Patch","Vendor Advisory"]},{"url":"http://openwall.com/lists/oss-security/2018/03/27/4","source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1318","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/cve-2018-1091","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1558149","source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70","source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"]},{"url":"https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2","source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"]},{"url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5","source":"secalert@redhat.com","tags":["Patch","Vendor Advisory"]},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]},{"url":"http://openwall.com/lists/oss-security/2018/03/27/4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1318","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/security/cve/cve-2018-1091","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1558149","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}