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This issue can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en vhost_new_msg en drivers/vhost/vhost.c en el kernel de Linux, que no inicializa correctamente la memoria en los mensajes pasados entre los invitados virtuales y el sistema operativo host en la funci\u00f3n vhost/vhost.c:vhost_new_msg(). Este problema puede permitir a los usuarios locales privilegiados leer algunos contenidos de la memoria del kernel cuando leen desde el archivo del dispositivo /dev/vhost-net."}], "id": "CVE-2024-0340", "lastModified": "2026-06-17T06:53:17.870", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-0340", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-01-09T19:24:12.513121Z", "version": "2.0.3"}}]}, "published": "2024-01-09T18:15:47.503", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:3618"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:3627"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2024:9315"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:7526"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2024-0340"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2257406"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch"], "url": "https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:3618"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2024:3627"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2024-0340"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2257406"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch"], "url": "https://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:3627", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.5.1.rt7.346.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}, {"advisory": "RHSA-2024:3618", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.5.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-06-05T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2025:7526", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "kernel-0:5.14.0-427.68.1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-05-14T00:00:00Z"}], "bugzilla": {"description": "kernel: Information disclosure in vhost/vhost.c:vhost_new_msg()", "id": "2257406", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2257406"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This issue can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file.", "A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhost_new_msg() function. This issue can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-net device file."], "name": "CVE-2024-0340", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-05-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-0340\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-0340\nhttps://lore.kernel.org/lkml/5kn47peabxjrptkqa6dwtyus35ahf4pcj4qm4pumse33kxqpjw@mec4se5relrc/T/"], "threat_severity": "Low"}

{}