{"id":"CVE-2022-50466","title":"fs/binfmt_elf: Fix memory leak in load_elf_binary()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/binfmt_elf: Fix memory leak in load_elf_binary()\n\nThere is a memory leak reported by kmemleak:\n\n  unreferenced object 0xffff88817104ef80 (size 224):\n    comm \"xfs_ad…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 0693ffebcfe5ac7b31f63ad54587007f7d96fb7b < 706215300411d48db6b51a5832b872632a84bbc1","Linux >= 0693ffebcfe5ac7b31f63ad54587007f7d96fb7b < 265b6fb780f57d10449a40e94219b28fa52479cc","Linux >= 0693ffebcfe5ac7b31f63ad54587007f7d96fb7b < acd9b4914f1c5928c7ae8ebc623d6291eb1a573a","Linux >= 0693ffebcfe5ac7b31f63ad54587007f7d96fb7b < 594d2a14f2168c09b13b114c3d457aa939403e52","Linux 5.7"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:11:34.610378Z"},"published":"2025-10-01","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:20:47.222Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50466","references":[{"url":"https://git.kernel.org/stable/c/706215300411d48db6b51a5832b872632a84bbc1"},{"url":"https://git.kernel.org/stable/c/265b6fb780f57d10449a40e94219b28fa52479cc"},{"url":"https://git.kernel.org/stable/c/acd9b4914f1c5928c7ae8ebc623d6291eb1a573a"},{"url":"https://git.kernel.org/stable/c/594d2a14f2168c09b13b114c3d457aa939403e52"}],"tags":["cve.org"],"epss":0.00159,"epssPercentile":0.05087,"ingestedAt":"2026-11-05T22:38:31.738Z","slug":"CVE-2022-50466","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nfs/binfmt_elf: Fix memory leak in load_elf_binary()\n\nThere is a memory leak reported by kmemleak:\n\n  unreferenced object 0xffff88817104ef80 (size 224):\n    comm \"xfs_admin\", pid 47165, jiffies 4298708825 (age 1333.476s)\n    hex dump (first 32 bytes):\n      00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n      60 a8 b3 00 81 88 ff ff a8 10 5a 00 81 88 ff ff  `.........Z.....\n    backtrace:\n      [<ffffffff819171e1>] __alloc_file+0x21/0x250\n      [<ffffffff81918061>] alloc_empty_file+0x41/0xf0\n      [<ffffffff81948cda>] path_openat+0xea/0x3d30\n      [<ffffffff8194ec89>] do_filp_open+0x1b9/0x290\n      [<ffffffff8192660e>] do_open_execat+0xce/0x5b0\n      [<ffffffff81926b17>] open_exec+0x27/0x50\n      [<ffffffff81a69250>] load_elf_binary+0x510/0x3ed0\n      [<ffffffff81927759>] bprm_execve+0x599/0x1240\n      [<ffffffff8192a997>] do_execveat_common.isra.0+0x4c7/0x680\n      [<ffffffff8192b078>] __x64_sys_execve+0x88/0xb0\n      [<ffffffff83bbf0a5>] do_syscall_64+0x35/0x80\n\nIf \"interp_elf_ex\" fails to allocate memory in load_elf_binary(),\nthe program will take the \"out_free_ph\" error handing path,\nresulting in \"interpreter\" file resource is not released.\n\nFix it by adding an error handing path \"out_free_file\", which will\nrelease the file resource when \"interp_elf_ex\" failed to allocate\nmemory.\n\n## Affected\n\n- `Linux >= 0693ffebcfe5ac7b31f63ad54587007f7d96fb7b < 706215300411d48db6b51a5832b872632a84bbc1`\n- `Linux >= 0693ffebcfe5ac7b31f63ad54587007f7d96fb7b < 265b6fb780f57d10449a40e94219b28fa52479cc`\n- `Linux >= 0693ffebcfe5ac7b31f63ad54587007f7d96fb7b < acd9b4914f1c5928c7ae8ebc623d6291eb1a573a`\n- `Linux >= 0693ffebcfe5ac7b31f63ad54587007f7d96fb7b < 594d2a14f2168c09b13b114c3d457aa939403e52`\n- `Linux 5.7`\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":[]}