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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix underflow in parse_server_interfaces()\n\nIn this loop, we step through the buffer and after each item we check\nif the size_left is greater than the minimum size we need. However,\nthe problem is that \"bytes_left\" is type ssize_t while sizeof() is type\nsize_t. That means that because of type promotion, the comparison is\ndone as an unsigned and if we have negative bytes left the loop\ncontinues instead of ending."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cifs: corrige el desbordamiento insuficiente en parse_server_interfaces() En este bucle, recorremos el b\u00fafer y despu\u00e9s de cada elemento comprobamos si size_left es mayor que el tama\u00f1o m\u00ednimo que necesitamos. Sin embargo, el problema es que \"bytes_left\" es del tipo ssize_t mientras que sizeof() es del tipo size_t. Eso significa que debido a la promoci\u00f3n de tipo, la comparaci\u00f3n se realiza sin firmar y si nos quedan bytes negativos, el ciclo contin\u00faa en lugar de finalizar."}], "id": "CVE-2024-26828", "lastModified": "2024-04-17T12:48:07.510", "metrics": {}, "published": "2024-04-17T10:15:09.300", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7190353835b4a219abb70f90b06cdcae97f11512"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cffe487026be13eaf37ea28b783d9638ab147204"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/df2af9fdbc4ddde18a3371c4ca1a86596e8be301"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f7ff1c89fb6e9610d2b01c1821727729e6609308"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:5363", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.31.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-08-15T00:00:00Z"}, {"advisory": "RHSA-2024:5363", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.31.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-08-15T00:00:00Z"}, {"advisory": "RHSA-2024:3461", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.67.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-05-29T00:00:00Z"}, {"advisory": "RHSA-2024:3460", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.67.1.rt14.352.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-05-29T00:00:00Z"}], "bugzilla": {"description": "kernel: cifs: fix underflow in parse_server_interfaces()", "id": "2275600", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2275600"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H", "status": "verified"}, "cwe": "CWE-191", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncifs: fix underflow in parse_server_interfaces()\nIn this loop, we step through the buffer and after each item we check\nif the size_left is greater than the minimum size we need. However,\nthe problem is that \"bytes_left\" is type ssize_t while sizeof() is type\nsize_t. That means that because of type promotion, the comparison is\ndone as an unsigned and if we have negative bytes left the loop\ncontinues instead of ending."], "name": "CVE-2024-26828", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26828\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26828\nhttps://lore.kernel.org/linux-cve-announce/2024041703-CVE-2024-26828-b2be@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 6.1.79, kernel 6.6.18, kernel 6.7.6, kernel 6.8"}