CVE-2026-64066

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{}

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{"bugzilla": {"description": "kernel: netfs: Fix netfs_read_to_pagecache() to pause on subreq failure", "id": "2502481", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502481"}, "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-1050", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfs: Fix netfs_read_to_pagecache() to pause on subreq failure\nFix netfs_read_to_pagecache() so that it pauses the generation of new\nsubrequests if an already-issued subrequest fails.", "A flaw was found in the Linux kernel's `netfs` component. The `netfs_read_to_pagecache()` function does not properly pause the generation of new subrequests when a previously issued subrequest has failed. This oversight can lead to continued resource consumption or incorrect system state, potentially resulting in system instability or a denial of service (DoS) condition."], "name": "CVE-2026-64066", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64066\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64066\nhttps://lore.kernel.org/linux-cve-announce/2026071912-CVE-2026-64066-9d98@gregkh/T"], "threat_severity": "Low"}

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