{"cve":"CVE-2023-54311","nvd":{"published":"2025-12-30T13:16:20.317","modified":"2026-06-17T06:47:12.273","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix deadlock when converting an inline directory in nojournal mode\n\nIn no journal mode, ext4_finish_convert_inline_dir() can self-deadlock\nby calling ext4_handle_dirty_dirblock() when it already has taken the\ndirectory lock.  There is a similar self-deadlock in\next4_incvert_inline_data_nolock() for data files which we'll fix at\nthe same time.\n\nA simple reproducer demonstrating the problem:\n\n    mke2fs -Fq -t ext2 -O inline_data -b 4k /dev/vdc 64\n    mount -t ext4 -o dirsync /dev/vdc /vdc\n    cd /vdc\n    mkdir file0\n    cd file0\n    touch file0\n    touch file1\n    attr -s BurnSpaceInEA -V abcde .\n    touch supercalifragilisticexpialidocious","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/0b1c4357bb21d9770451a1bdb8d419ea10bada88","https://git.kernel.org/stable/c/5f8b55136ad787aed2c184f7cb3e93772ae637a3","https://git.kernel.org/stable/c/640c8c365999c6f23447ac766437236ad88317c5","https://git.kernel.org/stable/c/665cc3ba50330049524c1d275bc840a8f28dde73","https://git.kernel.org/stable/c/804de0c72cd473e186ca4e1f6287d45431b14e5a"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2023-54311","score":0.002,"percentile":0.0993,"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."]}