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{"bugzilla": {"description": "kernel: vduse: fix memory corruption in vduse_dev_ioctl()", "id": "2293215", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293215"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-20->CWE-787", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nvduse: fix memory corruption in vduse_dev_ioctl()\nThe \"config.offset\" comes from the user. There needs to a check to\nprevent it being out of bounds. The \"config.offset\" and\n\"dev->config_size\" variables are both type u32. So if the offset if\nout of bounds then the \"dev->config_size - config.offset\" subtraction\nresults in a very high u32 value. The out of bounds offset can result\nin memory corruption."], "name": "CVE-2021-47605", "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": "2024-06-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47605\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47605\nhttps://lore.kernel.org/linux-cve-announce/2024061923-CVE-2021-47605-3d20@gregkh/T"], "statement": "We do not believe Red Hat Enterprise Linux is vulnerable to this flaw, as the only products which contain the commit that introduced it also include the commit that fixed it.", "threat_severity": "Important", "upstream_fix": "kernel 5.15.11, kernel 5.16"}