{"id":"CVE-2022-50367","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-50367","generatedAt":"2026-10-27T18:33:44.913Z","title":"In the Linux kernel, the following vulnerability has been resolved: fs: fix UAF/GPF bug in nilfs_mdt_destroy In alloc_inode, inode_init_always() could return -ENOMEM if security_inode_alloc() fails, which causes inode->i_private uninitialized.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs: fix UAF/GPF bug in nilfs_mdt_destroy\n\nIn alloc_inode, inode_init_always() could return -ENOMEM if\nsecurity_inode_alloc() fails, which causes inode->i_private\nuninitialized. Then nilfs_is_metadata_file_inode() returns\ntrue and nilfs_free_inode() wrongly calls nilfs_mdt_destroy(),\nwhich frees the uninitialized inode->i_private\nand leads to crashes(e.g., UAF/GPF).\n\nFix this by moving security_inode_alloc just prior to\nthis_cpu_inc(nr_inodes)","published":"2025-09-17T15:15:36.000Z","lastModified":"2026-06-17T05:23:21.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["linux/linux kernel"],"epss":{"score":0.00225,"percentile":0.13121,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/1e555c3ed1fce4b278aaebe18a64a934cece57d8","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2a96b532098284ecf8e4849b8b9e5fc7a28bdee9","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2e488f13755ffbb60f307e991b27024716a33b29","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/64b79e632869ad3ef6c098a4731d559381da1115","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/70e4f70d54e0225f91814e8610477d65f33cefe4","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/81de80330fa6907aec32eb54c5619059e6e36452","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c0aa76b0f17f59dd9c9d3463550a2986a1d592e4","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d1ff475d7c83289d0a7faef346ea3bbf90818bad","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ec2aab115eb38ac4992ea2fcc2a02fbe7af5cf48","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-50367","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}