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The packet will be dropped by the caller.\n\nv2: split skb prefetch hunk into separate change"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nf_queue: corrige posible use-after-free Eric Dumazet dice: El lado sock_hold() parece sospechoso, porque no hay garant\u00eda de que sk_refcnt no sea ya 0. En caso de falla, No podemos poner en cola el paquete y necesitamos indicar un error. La persona que llama descartar\u00e1 el paquete. v2: dividir el fragmento de captaci\u00f3n previa de skb en un cambio separado"}], "id": "CVE-2022-48911", "lastModified": "2024-09-12T13:24:58.060", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-08-22T02:15:05.483", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/21b27b2baa27423286e9b8d3f0b194d587083d95"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34dc4a6a7f261736ef7183868a5bddad31c7f9e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/43c25da41e3091b31a906651a43e80a2719aa1ff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4d05239203fa38ea8a6f31e228460da4cb17a71a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c3873070247d9e3c7a6b0cf9bf9b45e8018427b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dcc3cb920bf7ba66ac5e9272293a9ba5f80917ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dd648bd1b33a828f62befa696b206c688da0ec43"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ef97921ccdc243170fcef857ba2a17cf697aece5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: netfilter: netfilter: nf_queue: fix possible use-after-free", "id": "2307164", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2307164"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nf_queue: fix possible use-after-free\nEric Dumazet says:\nThe sock_hold() side seems suspect, because there is no guarantee\nthat sk_refcnt is not already 0.\nOn failure, we cannot queue the packet and need to indicate an\nerror. The packet will be dropped by the caller.\nv2: split skb prefetch hunk into separate change", "A use-after-free flaw was found in the Linux kernel's NetFilter functionality. This issue could allow a local user to crash the system or escalate their privileges on the system."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2022-48911", "package_state": [{"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": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48911\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48911\nhttps://lore.kernel.org/linux-cve-announce/2024082215-CVE-2022-48911-45bc@gregkh/T"], "statement": "Only Red Hat Enterprise Linux 8 is affected.", "threat_severity": "Moderate"}

{}