{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53096", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.384Z", "datePublished": "2026-06-24T16:30:34.477Z", "dateUpdated": "2026-06-28T06:39:18.779Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-28T06:39:18.779Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Use RCU-safe iteration in dev_map_redirect_multi() SKB path\n\nThe DEVMAP_HASH branch in dev_map_redirect_multi() uses\nhlist_for_each_entry_safe() to iterate hash buckets, but this function\nruns under RCU protection (called from xdp_do_generic_redirect_map()\nin softirq context). Concurrent writers (__dev_map_hash_update_elem,\ndev_map_hash_delete_elem) modify the list using RCU primitives\n(hlist_add_head_rcu, hlist_del_rcu).\n\nhlist_for_each_entry_safe() performs plain pointer dereferences without\nrcu_dereference(), missing the acquire barrier needed to pair with\nwriters' rcu_assign_pointer(). On weakly-ordered architectures (ARM64,\nPOWER), a reader can observe a partially-constructed node. It also\ndefeats CONFIG_PROVE_RCU lockdep validation and KCSAN data-race\ndetection.\n\nReplace with hlist_for_each_entry_rcu() using rcu_read_lock_bh_held()\nas the lockdep condition, consistent with the rcu_dereference_check()\nused in the DEVMAP (non-hash) branch of the same functions. Also fix\nthe same incorrect lockdep_is_held(&dtab->index_lock) condition in\ndev_map_enqueue_multi(), where the lock is not held either."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/devmap.c"], "versions": [{"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "4a3d0fe30b907ff324b1b49756f7e713d67f3645", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "b089aa6e94d7a08e74d076a0fe274842dc9feccc", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "571a05ea1baaccc0dc1e0d227b2cbc978b96d392", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "cb2c1f3cf65b855548e1b8d55a08bfbaa5a0901a", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "d4c4bd231ebad70e6f30db429e9640bf378b2f52", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "7027e705062482a8cea43a1c13ede3c35653966f", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "8ed82f807bb09d2c8455aaa665f2c6cb17bc6a19", "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/devmap.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "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": "5.14", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4a3d0fe30b907ff324b1b49756f7e713d67f3645"}, {"url": "https://git.kernel.org/stable/c/b089aa6e94d7a08e74d076a0fe274842dc9feccc"}, {"url": "https://git.kernel.org/stable/c/571a05ea1baaccc0dc1e0d227b2cbc978b96d392"}, {"url": "https://git.kernel.org/stable/c/cb2c1f3cf65b855548e1b8d55a08bfbaa5a0901a"}, {"url": "https://git.kernel.org/stable/c/d4c4bd231ebad70e6f30db429e9640bf378b2f52"}, {"url": "https://git.kernel.org/stable/c/7027e705062482a8cea43a1c13ede3c35653966f"}, {"url": "https://git.kernel.org/stable/c/8ed82f807bb09d2c8455aaa665f2c6cb17bc6a19"}], "title": "bpf: Use RCU-safe iteration in dev_map_redirect_multi() SKB path", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: bpf: Use RCU-safe iteration in dev_map_redirect_multi() SKB path", "id": "2492366", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492366"}, "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-821", "details": ["A flaw was found in the Linux kernel's BPF (Berkeley Packet Filter) component, specifically within the `dev_map_redirect_multi()` function. This vulnerability arises from an incorrect iteration method in an RCU (Read-Copy-Update) protected context, where `hlist_for_each_entry_safe()` is used without proper RCU dereferencing. This can allow a reader on weakly-ordered architectures, such as ARM64 and POWER, to observe partially-constructed data nodes. The consequence is potential data inconsistency, which could lead to system instability or unexpected behavior."], "name": "CVE-2026-53096", "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"}], "public_date": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53096\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53096\nhttps://lore.kernel.org/linux-cve-announce/2026062410-CVE-2026-53096-2247@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,4a3d0fe30b907ff324b1b49756f7e713d67f3645)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,b089aa6e94d7a08e74d076a0fe274842dc9feccc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,571a05ea1baaccc0dc1e0d227b2cbc978b96d392)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,cb2c1f3cf65b855548e1b8d55a08bfbaa5a0901a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,d4c4bd231ebad70e6f30db429e9640bf378b2f52)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,7027e705062482a8cea43a1c13ede3c35653966f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,8ed82f807bb09d2c8455aaa665f2c6cb17bc6a19)"}}], "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": "5.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.209,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.175,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.141,6.7.0)"}}, {"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": "semver", "value": "[7.0.10,7.1.0)"}}, {"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": "2026-06-24T21:00:11.770488+00:00", "updated": "2026-06-28T14:30:07.117440+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}