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{"bugzilla": {"description": "kernel: s390/cio: Ensure the copied buf is NUL terminated", "id": "2284492", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2284492"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-170->CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ns390/cio: Ensure the copied buf is NUL terminated\nCurrently, we allocate a lbuf-sized kernel buffer and copy lbuf from\nuserspace to that buffer. Later, we use scanf on this buffer but we don't\nensure that the string is terminated inside the buffer, this can lead to\nOOB read when using scanf. Fix this issue by using memdup_user_nul instead.", "A flaw was found in the Linux kernel\u2019s cio_inject module. Data from the user space is copied to a kernel buffer without making sure it is NULL terminated, causing an out-of-bounds read and resulting in a denial of service."], "name": "CVE-2024-36931", "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": "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-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:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-36931\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36931\nhttps://lore.kernel.org/linux-cve-announce/2024053041-CVE-2024-36931-3201@gregkh/T"], "statement": "The cio_inject module is not built in the kernel shipped in Red Hat Enterprise Linux, so it is not affected by this vulnerability.", "threat_severity": "Moderate"}

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