{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53084","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.383Z","datePublished":"2026-06-24T16:30:24.356Z","dateUpdated":"2026-06-24T16:30:24.356Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-24T16:30:24.356Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: return VMA snapshot from task_vma iterator\n\nHolding the per-VMA lock across the BPF program body creates a lock\nordering problem when helpers acquire locks that depend on mmap_lock:\n\n  vm_lock -> i_rwsem -> mmap_lock -> vm_lock\n\nSnapshot the VMA under the per-VMA lock in _next() via memcpy(), then\ndrop the lock before returning. The BPF program accesses only the\nsnapshot.\n\nThe verifier only trusts vm_mm and vm_file pointers (see\nBTF_TYPE_SAFE_TRUSTED_OR_NULL in verifier.c). vm_file is reference-\ncounted with get_file() under the lock and released via fput() on the\nnext iteration or in _destroy(). vm_mm is already correct because\nlock_vma_under_rcu() verifies vma->vm_mm == mm. All other pointers\nare left as-is by memcpy() since the verifier treats them as untrusted."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/task_iter.c"],"versions":[{"version":"4ac4546821584736798aaa9e97da9f6eaf689ea3","lessThan":"83b8802c034e843b83a3e1ef6f30cdd4e9ec291c","status":"affected","versionType":"git"},{"version":"4ac4546821584736798aaa9e97da9f6eaf689ea3","lessThan":"592226d138378601ae28eb890e2bbc23ec3600f7","status":"affected","versionType":"git"},{"version":"4ac4546821584736798aaa9e97da9f6eaf689ea3","lessThan":"13860ca37b8df0b856ee1ce3bdbd7c327d5f53e8","status":"affected","versionType":"git"},{"version":"4ac4546821584736798aaa9e97da9f6eaf689ea3","lessThan":"4cbee026db54cad39c39db4d356100cb133412b3","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/task_iter.c"],"versions":[{"version":"6.7","status":"affected"},{"version":"0","lessThan":"6.7","status":"unaffected","versionType":"semver"},{"version":"6.12.91","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.33","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.10","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/83b8802c034e843b83a3e1ef6f30cdd4e9ec291c"},{"url":"https://git.kernel.org/stable/c/592226d138378601ae28eb890e2bbc23ec3600f7"},{"url":"https://git.kernel.org/stable/c/13860ca37b8df0b856ee1ce3bdbd7c327d5f53e8"},{"url":"https://git.kernel.org/stable/c/4cbee026db54cad39c39db4d356100cb133412b3"}],"title":"bpf: return VMA snapshot from task_vma iterator","x_generator":{"engine":"bippy-1.2.0"}}}}