CVE-2026-98398

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98398", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.346Z", "datePublished": "2026-10-14T13:25:59.676Z", "dateUpdated": "2026-10-19T09:18:51.739Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:18:51.739Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlocking/lockdep: Invalidate stale class_cache entries for zapped classes\n\nsyzbot reported a lockdep splat hitting DEBUG_LOCKS_WARN_ON(1) in\nhlock_class() due to an invalid class_idx:\n\n WARNING: kernel/locking/lockdep.c:238 at __lock_acquire+0x382/0x2cf0 kernel/locking/lockdep.c:5203\n Workqueue: wg-crypt-wg0 wg_packet_tx_worker\n RIP: 0010:hlock_class kernel/locking/lockdep.c:238 [inline]\n RIP: 0010:check_wait_context kernel/locking/lockdep.c:4870 [inline]\n RIP: 0010:__lock_acquire+0x389/0x2cf0 kernel/locking/lockdep.c:5203\n Call Trace:\n <IRQ>\n lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5886\n _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:173\n tcp_tsq_handler+0x29/0x200 net/ipv4/tcp_output.c:1291\n tcp_tsq_workfn+0x384/0x410 net/ipv4/tcp_output.c:1325\n ...\n\nWhen a lock class is zapped (e.g. during module unload or key\nunregistration), zap_class() clears the class's bit in\nlock_classes_in_use and removes it from the class hash table.\nHowever, existing lockdep_map instances embedded in data structures\nmay still retain a pointer to the zapped class in their class_cache[]\narray.\n\nWhen __lock_acquire() subsequently runs on such a lock, it finds\nlock->class_cache[subclass] != NULL, skipping register_lock_class()\nand assigning hlock->class_idx to the index of the zapped class. When\ncheck_wait_context() or hlock_class() inspects the held_lock, it finds\n!test_bit(class_idx, lock_classes_in_use) and warns. Furthermore, if\nthe zapped slot is subsequently re-allocated to an unrelated lock key,\nthe stale class_cache entry would erroneously match the unrelated\nclass (ABA issue).\n\nAdd lock_class_cache_is_valid() to validate that the cached class is\nwithin lock_classes bounds, still allocated in lock_classes_in_use\n(using uninstrumented arch_test_bit() in __always_inline context so it\nis safe in noinstr contexts like match_held_lock()), and that\nclass->key matches the expected subkey (taking lockdep_set_subclass()\noverrides into account). Also use READ_ONCE()/WRITE_ONCE() when\naccessing class_cache[]. If the entry is invalid or stale, fall back\nto register_lock_class() / look_up_lock_class()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/locking/lockdep.c"], "versions": [{"version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "lessThan": "f8a1281ab82df5b51fd0384354d4b21daf2b7af0", "status": "affected", "versionType": "git"}, {"version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "lessThan": "1c9d664e2e067fca69e5a41d68e23bbc66a583fe", "status": "affected", "versionType": "git"}, {"version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "lessThan": "6bc345f6d81ebe22e0f355c2a21d7e29691f9332", "status": "affected", "versionType": "git"}, {"version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "lessThan": "f63c86e9d267629758adaba18579e784ddd63c32", "status": "affected", "versionType": "git"}, {"version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "lessThan": "c7acfb04c7e2e2dea248282b21373d93296644dd", "status": "affected", "versionType": "git"}, {"version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "lessThan": "baa320fbb2f9fea50f5632a307da8ce84fbef5bd", "status": "affected", "versionType": "git"}, {"version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "lessThan": "02c6be7d675b21d81f0ba3a524346850a8c0e3bf", "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/locking/lockdep.c"], "versions": [{"version": "5.1", "status": "affected"}, {"version": "0", "lessThan": "5.1", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.1", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f8a1281ab82df5b51fd0384354d4b21daf2b7af0"}, {"url": "https://git.kernel.org/stable/c/1c9d664e2e067fca69e5a41d68e23bbc66a583fe"}, {"url": "https://git.kernel.org/stable/c/6bc345f6d81ebe22e0f355c2a21d7e29691f9332"}, {"url": "https://git.kernel.org/stable/c/f63c86e9d267629758adaba18579e784ddd63c32"}, {"url": "https://git.kernel.org/stable/c/c7acfb04c7e2e2dea248282b21373d93296644dd"}, {"url": "https://git.kernel.org/stable/c/baa320fbb2f9fea50f5632a307da8ce84fbef5bd"}, {"url": "https://git.kernel.org/stable/c/02c6be7d675b21d81f0ba3a524346850a8c0e3bf"}], "title": "locking/lockdep: Invalidate stale class_cache entries for zapped classes", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/locking/lockdep.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f8a1281ab82df5b51fd0384354d4b21daf2b7af0", "status": "affected", "version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "versionType": "git"}, {"lessThan": "1c9d664e2e067fca69e5a41d68e23bbc66a583fe", "status": "affected", "version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "versionType": "git"}, {"lessThan": "6bc345f6d81ebe22e0f355c2a21d7e29691f9332", "status": "affected", "version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "versionType": "git"}, {"lessThan": "f63c86e9d267629758adaba18579e784ddd63c32", "status": "affected", "version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "versionType": "git"}, {"lessThan": "c7acfb04c7e2e2dea248282b21373d93296644dd", "status": "affected", "version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "versionType": "git"}, {"lessThan": "baa320fbb2f9fea50f5632a307da8ce84fbef5bd", "status": "affected", "version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "versionType": "git"}, {"lessThan": "02c6be7d675b21d81f0ba3a524346850a8c0e3bf", "status": "affected", "version": "a0b0fd53e1e67639b303b15939b9c653dbe7a8c4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/locking/lockdep.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.1"}, {"lessThan": "5.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlocking/lockdep: Invalidate stale class_cache entries for zapped classes\n\nsyzbot reported a lockdep splat hitting DEBUG_LOCKS_WARN_ON(1) in\nhlock_class() due to an invalid class_idx:\n\n WARNING: kernel/locking/lockdep.c:238 at __lock_acquire+0x382/0x2cf0 kernel/locking/lockdep.c:5203\n Workqueue: wg-crypt-wg0 wg_packet_tx_worker\n RIP: 0010:hlock_class kernel/locking/lockdep.c:238 [inline]\n RIP: 0010:check_wait_context kernel/locking/lockdep.c:4870 [inline]\n RIP: 0010:__lock_acquire+0x389/0x2cf0 kernel/locking/lockdep.c:5203\n Call Trace:\n <IRQ>\n lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5886\n _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:173\n tcp_tsq_handler+0x29/0x200 net/ipv4/tcp_output.c:1291\n tcp_tsq_workfn+0x384/0x410 net/ipv4/tcp_output.c:1325\n ...\n\nWhen a lock class is zapped (e.g. during module unload or key\nunregistration), zap_class() clears the class's bit in\nlock_classes_in_use and removes it from the class hash table.\nHowever, existing lockdep_map instances embedded in data structures\nmay still retain a pointer to the zapped class in their class_cache[]\narray.\n\nWhen __lock_acquire() subsequently runs on such a lock, it finds\nlock->class_cache[subclass] != NULL, skipping register_lock_class()\nand assigning hlock->class_idx to the index of the zapped class. When\ncheck_wait_context() or hlock_class() inspects the held_lock, it finds\n!test_bit(class_idx, lock_classes_in_use) and warns. Furthermore, if\nthe zapped slot is subsequently re-allocated to an unrelated lock key,\nthe stale class_cache entry would erroneously match the unrelated\nclass (ABA issue).\n\nAdd lock_class_cache_is_valid() to validate that the cached class is\nwithin lock_classes bounds, still allocated in lock_classes_in_use\n(using uninstrumented arch_test_bit() in __always_inline context so it\nis safe in noinstr contexts like match_held_lock()), and that\nclass->key matches the expected subkey (taking lockdep_set_subclass()\noverrides into account). Also use READ_ONCE()/WRITE_ONCE() when\naccessing class_cache[]. If the entry is invalid or stale, fall back\nto register_lock_class() / look_up_lock_class()."}], "id": "CVE-2026-98398", "lastModified": "2026-10-19T10:18:44.480", "metrics": {}, "published": "2026-10-14T14:17:50.760", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/02c6be7d675b21d81f0ba3a524346850a8c0e3bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1c9d664e2e067fca69e5a41d68e23bbc66a583fe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6bc345f6d81ebe22e0f355c2a21d7e29691f9332"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/baa320fbb2f9fea50f5632a307da8ce84fbef5bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c7acfb04c7e2e2dea248282b21373d93296644dd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f63c86e9d267629758adaba18579e784ddd63c32"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f8a1281ab82df5b51fd0384354d4b21daf2b7af0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: locking/lockdep: Invalidate stale class_cache entries for zapped classes", "id": "2552218", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2552218"}, "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-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nlocking/lockdep: Invalidate stale class_cache entries for zapped classes\nsyzbot reported a lockdep splat hitting DEBUG_LOCKS_WARN_ON(1) in\nhlock_class() due to an invalid class_idx:\nWARNING: kernel/locking/lockdep.c:238 at __lock_acquire+0x382/0x2cf0 kernel/locking/lockdep.c:5203\nWorkqueue: wg-crypt-wg0 wg_packet_tx_worker\nRIP: 0010:hlock_class kernel/locking/lockdep.c:238 [inline]\nRIP: 0010:check_wait_context kernel/locking/lockdep.c:4870 [inline]\nRIP: 0010:__lock_acquire+0x389/0x2cf0 kernel/locking/lockdep.c:5203\nCall Trace:\n<IRQ>\nlock_acquire+0x106/0x350 kernel/locking/lockdep.c:5886\n_raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:173\ntcp_tsq_handler+0x29/0x200 net/ipv4/tcp_output.c:1291\ntcp_tsq_workfn+0x384/0x410 net/ipv4/tcp_output.c:1325\n...\nWhen a lock class is zapped (e.g. during module unload or key\nunregistration), zap_class() clears the class's bit in\nlock_classes_in_use and removes it from the class hash table.\nHowever, existing lockdep_map instances embedded in data structures\nmay still retain a pointer to the zapped class in their class_cache[]\narray.\nWhen __lock_acquire() subsequently runs on such a lock, it finds\nlock->class_cache[subclass] != NULL, skipping register_lock_class()\nand assigning hlock->class_idx to the index of the zapped class. When\ncheck_wait_context() or hlock_class() inspects the held_lock, it finds\n!test_bit(class_idx, lock_classes_in_use) and warns. Furthermore, if\nthe zapped slot is subsequently re-allocated to an unrelated lock key,\nthe stale class_cache entry would erroneously match the unrelated\nclass (ABA issue).\nAdd lock_class_cache_is_valid() to validate that the cached class is\nwithin lock_classes bounds, still allocated in lock_classes_in_use\n(using uninstrumented arch_test_bit() in __always_inline context so it\nis safe in noinstr contexts like match_held_lock()), and that\nclass->key matches the expected subkey (taking lockdep_set_subclass()\noverrides into account). Also use READ_ONCE()/WRITE_ONCE() when\naccessing class_cache[]. If the entry is invalid or stale, fall back\nto register_lock_class() / look_up_lock_class().", "A flaw was found in the Linux kernel's lock dependency validator (lockdep). When a lock class is removed, such as during kernel module unloading, cached references in existing lock structures are not properly cleared. A local user can exploit this issue by triggering lock acquisitions that reuse these stale references, resulting in an inconsistent tracking state. This flaw can lead to kernel warnings, disabled lock validation, and potentially a Denial of Service (DoS) via a system crash."], "name": "CVE-2026-98398", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98398\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98398\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98398.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a0b0fd53e1e67639b303b15939b9c653dbe7a8c4,f8a1281ab82df5b51fd0384354d4b21daf2b7af0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a0b0fd53e1e67639b303b15939b9c653dbe7a8c4,1c9d664e2e067fca69e5a41d68e23bbc66a583fe)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a0b0fd53e1e67639b303b15939b9c653dbe7a8c4,6bc345f6d81ebe22e0f355c2a21d7e29691f9332)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a0b0fd53e1e67639b303b15939b9c653dbe7a8c4,f63c86e9d267629758adaba18579e784ddd63c32)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a0b0fd53e1e67639b303b15939b9c653dbe7a8c4,c7acfb04c7e2e2dea248282b21373d93296644dd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a0b0fd53e1e67639b303b15939b9c653dbe7a8c4,baa320fbb2f9fea50f5632a307da8ce84fbef5bd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a0b0fd53e1e67639b303b15939b9c653dbe7a8c4,02c6be7d675b21d81f0ba3a524346850a8c0e3bf)"}}], "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": "5.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.222,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.189,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.158,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "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": "2026-10-15T05:45:14.854998+00:00", "updated": "2026-10-19T17:30:13.727848+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}