{"id":"CVE-2026-90318","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nfat: release buffer head after rebuilding parent\n\nfat_scan_logstart() leaves the matching directory entry's buffer head in\nsinfo.bh for the caller to release, just like…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nfat: release buffer head after rebuilding parent\n\nfat_scan_logstart() leaves the matching directory entry's buffer head in\nsinfo.bh for the caller to release, just like…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= f1e6fb0ab451dae8523fbb8c119a653b2730e938 < 5e44b6944e11fd6647f028219ad0be4e85e9acee","Linux >= f1e6fb0ab451dae8523fbb8c119a653b2730e938 < d2a86329152c69a6200c15b2bf618755f8563826","Linux >= f1e6fb0ab451dae8523fbb8c119a653b2730e938 < 0f18d712ba9c980e05b7e33a27cde4fe3ed2d393","Linux >= f1e6fb0ab451dae8523fbb8c119a653b2730e938 < e38587d98d1ceac608420052c0cdd901d25878f3","Linux >= f1e6fb0ab451dae8523fbb8c119a653b2730e938 < c6a67aa438179cad40f8ae45469e304338d65c0a","Linux >= f1e6fb0ab451dae8523fbb8c119a653b2730e938 < 571ea4263d69df1b48578e4314a828ecd0604755","Linux >= f1e6fb0ab451dae8523fbb8c119a653b2730e938 < 7565e44507634514e3e1899d3acad3de43f7a2c1","Linux >= f1e6fb0ab451dae8523fbb8c119a653b2730e938 < 83e98dbf19ab64e8528e101e20f8d50e1aaa68a8","Linux 3.10"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:29.683","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90318","references":[{"url":"https://git.kernel.org/stable/c/0f18d712ba9c980e05b7e33a27cde4fe3ed2d393","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/571ea4263d69df1b48578e4314a828ecd0604755","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5e44b6944e11fd6647f028219ad0be4e85e9acee","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7565e44507634514e3e1899d3acad3de43f7a2c1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/83e98dbf19ab64e8528e101e20f8d50e1aaa68a8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c6a67aa438179cad40f8ae45469e304338d65c0a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d2a86329152c69a6200c15b2bf618755f8563826","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e38587d98d1ceac608420052c0cdd901d25878f3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.824Z","epss":0.0021,"epssPercentile":0.11526,"slug":"CVE-2026-90318","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nfat: release buffer head after rebuilding parent\n\nfat_scan_logstart() leaves the matching directory entry's buffer head in\nsinfo.bh for the caller to release, just like fat_scan().\n\nfat_rebuild_parent() uses the directory entry to rebuild the parent inode\nfor the nostale_ro NFS export path, but does not release sinfo.bh after a\nsuccessful scan.  Release it once fat_build_inode() has consumed the\ndirectory entry data.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}