{"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"}}}}

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{}

{"bugzilla": {"description": "kernel: bpf: return VMA snapshot from task_vma iterator", "id": "2492323", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492323"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf: return VMA snapshot from task_vma iterator\nHolding the per-VMA lock across the BPF program body creates a lock\nordering problem when helpers acquire locks that depend on mmap_lock:\nvm_lock -> i_rwsem -> mmap_lock -> vm_lock\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.\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.", "A flaw was found in the Linux kernel's Berkeley Packet Filter (BPF) subsystem. This vulnerability involves a lock ordering problem that occurs when BPF programs acquire certain locks that depend on the `mmap_lock`. This issue could potentially lead to system instability or unexpected behavior due to incorrect handling of virtual memory area (VMA) locks."], "name": "CVE-2026-53084", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53084\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53084\nhttps://lore.kernel.org/linux-cve-announce/2026062407-CVE-2026-53084-15d3@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4ac4546821584736798aaa9e97da9f6eaf689ea3,83b8802c034e843b83a3e1ef6f30cdd4e9ec291c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4ac4546821584736798aaa9e97da9f6eaf689ea3,592226d138378601ae28eb890e2bbc23ec3600f7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4ac4546821584736798aaa9e97da9f6eaf689ea3,13860ca37b8df0b856ee1ce3bdbd7c327d5f53e8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4ac4546821584736798aaa9e97da9f6eaf689ea3,4cbee026db54cad39c39db4d356100cb133412b3)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.91,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0.10,*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-06-24T19:15:15.569670+00:00", "updated": "2026-06-27T02:00:10.700201+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-362", "CWE-833"]}