2 lines
5.0 KiB
JSON
2 lines
5.0 KiB
JSON
{"affected":[{"affectedData":[{"product":"Linux kernel v4.13 and newer","vendor":"n/a","versions":[{"status":"affected","version":"Linux kernel v4.13 and newer"}]}],"source":"secalert@redhat.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"928AB8DD-8573-4425-803D-1B164491BF77","versionEndIncluding":"4.13.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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)."}],"id":"CVE-2018-1091","lastModified":"2026-06-17T01:50:27.617","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":"2018-03-27T21:29:00.720","references":[{"source":"secalert@redhat.com","tags":["Patch","Vendor Advisory"],"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70"},{"source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"],"url":"http://openwall.com/lists/oss-security/2018/03/27/4"},{"source":"secalert@redhat.com","url":"https://access.redhat.com/errata/RHSA-2018:1318"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/cve-2018-1091"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1558149"},{"source":"secalert@redhat.com","tags":["Patch","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","Vendor 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"],"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"http://openwall.com/lists/oss-security/2018/03/27/4"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://access.redhat.com/errata/RHSA-2018:1318"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/cve-2018-1091"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1558149"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","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","Vendor Advisory"],"url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-391"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-119"}],"source":"nvd@nist.gov","type":"Primary"}]}
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