{"api_version":"1","generated_at":"2026-07-24T18:54:13+00:00","cve":"CVE-2025-71292","urls":{"html":"https://cve.report/CVE-2025-71292","api":"https://cve.report/api/cve/CVE-2025-71292.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-71292","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-71292"},"summary":{"title":"jfs: nlink overflow in jfs_rename","description":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: nlink overflow in jfs_rename\n\nIf nlink is maximal for a directory (-1) and inside that directory you\nperform a rename for some child directory (not moving from the parent),\nthen the nlink of the first directory is first incremented and later\ndecremented. Normally this is fine, but when nlink = -1 this causes a\nwrap around to 0, and then drop_nlink issues a warning.\n\nAfter applying the patch syzbot no longer issues any warnings. 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the Linux kernel, the following vulnerability has been resolved:\n\njfs: nlink overflow in jfs_rename\n\nIf nlink is maximal for a directory (-1) and inside that directory you\nperform a rename for some child directory (not moving from the parent),\nthen the nlink of the first directory is first incremented and later\ndecremented. 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Normally this is fine, but when nlink = -1 this causes a\nwrap around to 0, and then drop_nlink issues a warning.\n\nAfter applying the patch syzbot no longer issues any warnings. I also\nran some basic fs tests to look for any regressions.","Type":"Description","Title":"jfs: nlink overflow in jfs_rename"}]}}}