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{"bugzilla": {"description": "kernel: NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()", "id": "2271443", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2271443"}, "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-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nNFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()\nThe value of mirror->pg_bytes_written should only be updated after a\nsuccessful attempt to flush out the requests on the list.", "A vulnerability was found in the NFS module in the Linux kernel where a memory corruption occurred in pg_bytes_written in the nfs_do_recoalesce() function. The value was updated before successfully flushing requests, potentially leading to incorrect accounting of written bytes."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2021-47166", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "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": "2024-03-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47166\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47166\nhttps://lore.kernel.org/linux-cve-announce/2024032535-CVE-2021-47166-6ab7@gregkh/T"], "threat_severity": "Moderate"}

{}