{"id":"CVE-2022-50466","state":"PUBLISHED","title":"fs/binfmt_elf: Fix memory leak in load_elf_binary()","description":"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_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.","publishedAt":"2025-10-01T11:45:37.376Z","updatedAt":"2026-05-11T19:20:00.393Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0693ffebcfe5ac7b31f63ad54587007f7d96fb7b","status":"affected","lessThan":"706215300411d48db6b51a5832b872632a84bbc1","versionType":"git"},{"version":"0693ffebcfe5ac7b31f63ad54587007f7d96fb7b","status":"affected","lessThan":"265b6fb780f57d10449a40e94219b28fa52479cc","versionType":"git"},{"version":"0693ffebcfe5ac7b31f63ad54587007f7d96fb7b","status":"affected","lessThan":"acd9b4914f1c5928c7ae8ebc623d6291eb1a573a","versionType":"git"},{"version":"0693ffebcfe5ac7b31f63ad54587007f7d96fb7b","status":"affected","lessThan":"594d2a14f2168c09b13b114c3d457aa939403e52","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/binfmt_elf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.153","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.77","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.7","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/binfmt_elf.c"]}],"references":["https://git.kernel.org/stable/c/706215300411d48db6b51a5832b872632a84bbc1","https://git.kernel.org/stable/c/265b6fb780f57d10449a40e94219b28fa52479cc","https://git.kernel.org/stable/c/acd9b4914f1c5928c7ae8ebc623d6291eb1a573a","https://git.kernel.org/stable/c/594d2a14f2168c09b13b114c3d457aa939403e52"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50466.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50466","state":"PUBLISHED","datePublished":"2025-10-01T11:45:37.376Z","dateUpdated":"2026-05-11T19:20:00.393Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-01T11:38:45.641Z"},"containers":{"cna":{"title":"fs/binfmt_elf: Fix memory leak in load_elf_binary()","descriptions":[{"lang":"en","value":"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_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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0693ffebcfe5ac7b31f63ad54587007f7d96fb7b","status":"affected","lessThan":"706215300411d48db6b51a5832b872632a84bbc1","versionType":"git"},{"version":"0693ffebcfe5ac7b31f63ad54587007f7d96fb7b","status":"affected","lessThan":"265b6fb780f57d10449a40e94219b28fa52479cc","versionType":"git"},{"version":"0693ffebcfe5ac7b31f63ad54587007f7d96fb7b","status":"affected","lessThan":"acd9b4914f1c5928c7ae8ebc623d6291eb1a573a","versionType":"git"},{"version":"0693ffebcfe5ac7b31f63ad54587007f7d96fb7b","status":"affected","lessThan":"594d2a14f2168c09b13b114c3d457aa939403e52","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/binfmt_elf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.153","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.77","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.7","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/binfmt_elf.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:20:00.393Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.153"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}