{"cve":"CVE-2023-53672","nvd":{"published":"2025-10-07T16:15:51.123","modified":"2026-06-17T06:45:50.530","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: output extra debug info if we failed to find an inline backref\n\n[BUG]\nSyzbot reported several warning triggered inside\nlookup_inline_extent_backref().\n\n[CAUSE]\nAs usual, the reproducer doesn't reliably trigger locally here, but at\nleast we know the WARN_ON() is triggered when an inline backref can not\nbe found, and it can only be triggered when @insert is true. (I.e.\ninserting a new inline backref, which means the backref should already\nexist)\n\n[ENHANCEMENT]\nAfter the WARN_ON(), dump all the parameters and the extent tree\nleaf to help debug.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/28062cd6eda04035d8f6ded2001292ac8b496149","https://git.kernel.org/stable/c/376b41524b71e494514720bd6114325b0a2ed19c","https://git.kernel.org/stable/c/400e08a16604b534fdd82c5a288fa150d04f5f79","https://git.kernel.org/stable/c/6994f806c6d1ae8b59344d3700358547f3b3fe1d","https://git.kernel.org/stable/c/7afbfde45d665953b4d5a42a721e15bf0315d89b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2023-53672","score":0.00149,"percentile":0.04041,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}