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{"bugzilla": {"description": "kernel: smb2_write() fails to validate user supplied data which can result in out-of-bounds read", "id": "2155944", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2155944"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write."], "name": "CVE-2022-47940", "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": "2022-12-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-47940\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-47940\nhttps://lore.kernel.org/lkml/20220819153711.816369367@linuxfoundation.org/\nhttps://www.openwall.com/lists/oss-security/2022/12/22/9\nhttps://www.zerodayinitiative.com/advisories/ZDI-22-1691/"], "statement": "There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code. See https://access.redhat.com/solutions/6991749 for more information.", "threat_severity": "Critical", "upstream_fix": "kernel 6.0-rc1"}