CVE-2026-31713

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{}

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{"bugzilla": {"description": "kernel: fuse: abort on fatal signal during sync init", "id": "2464392", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464392"}, "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-911", "details": ["A flaw was found in the Linux kernel's Filesystem in Userspace (FUSE) component. When using synchronous initialization (sync init), if the FUSE server exits unexpectedly while processing the FUSE_INIT request, the filesystem creation process can hang. This issue occurs because the mounting thread keeps the device file descriptor open, preventing the operation from aborting. A local user could exploit this to cause a Denial of Service (DoS) by making the filesystem creation unresponsive."], "name": "CVE-2026-31713", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "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": "2026-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31713\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31713\nhttps://lore.kernel.org/linux-cve-announce/2026050123-CVE-2026-31713-2109@gregkh/T"], "threat_severity": "Low"}

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