CVE-2024-40993

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/netfilter/ipset/ip_set_core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3799d02ae4208af08e81310770d8754863a246a1", "status": "affected", "version": "c0761d1f1ce1d5b85b5e82bbb714df12de1aa8c3", "versionType": "git"}, {"lessThan": "72d9611968867cc4c5509e7708b1507d692b797a", "status": "affected", "version": "93b53c202b51a69e42ca57f5a183f7e008e19f83", "versionType": "git"}, {"lessThan": "523bed6489e089dd8040e72453fb79da47b144c2", "status": "affected", "version": "0f1bb77c6d837c9513943bc7c08f04c5cc5c6568", "versionType": "git"}, {"lessThan": "788d585e62f487bc4536d454937f737b70d39a33", "status": "affected", "version": "390b353d1a1da3e9c6c0fd14fe650d69063c95d6", "versionType": "git"}, {"lessThan": "94dd411c18d7fff9e411555d5c662d29416501e4", "status": "affected", "version": "2ba35b37f780c6410bb4bba9c3072596d8576702", "versionType": "git"}, {"lessThan": "3fc09e1ca854bc234e007a56e0f7431f5e2defb5", "status": "affected", "version": "90ae20d47de602198eb69e6cd7a3db3420abfc08", "versionType": "git"}, {"lessThan": "8ecd06277a7664f4ef018abae3abd3451d64e7a6", "status": "affected", "version": "4e7aaa6b82d63e8ddcbfb56b4fd3d014ca586f10", "versionType": "git"}]}, {"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/netfilter/ipset/ip_set_core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6.1.96", "status": "affected", "version": "6.1.95", "versionType": "semver"}, {"lessThan": "6.6.36", "status": "affected", "version": "6.6.35", "versionType": "semver"}, {"lessThan": "6.9.7", "status": "affected", "version": "6.9.6", "versionType": "semver"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"affectedData": [{"defaultStatus": "unknown", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "vendor": "Siemens", "versions": [{"lessThan": "V1.1.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:6.1.95:*:*:*:*:*:*:*", "matchCriteriaId": "C8C0F47F-CC5A-4962-A13F-F2632DEBE9D0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.6.35:*:*:*:*:*:*:*", "matchCriteriaId": "24BA51FC-6014-49BB-A4E3-0C0211421E38", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9.6:*:*:*:*:*:*:*", "matchCriteriaId": "BA2678D2-361E-4A41-AD4D-DBFA70AD14D4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*", "matchCriteriaId": "79F18AFA-40F7-43F0-BA30-7BDB65F918B9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: Fix suspicious rcu_dereference_protected()\n\nWhen destroying all sets, we are either in pernet exit phase or\nare executing a \"destroy all sets command\" from userspace. The latter\nwas taken into account in ip_set_dereference() (nfnetlink mutex is held),\nbut the former was not. The patch adds the required check to\nrcu_dereference_protected() in ip_set_dereference()."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: netfilter: ipset: corrige rcu_dereference_protected() sospechoso Al destruir todos los conjuntos, estamos en la fase de salida de pernet o estamos ejecutando un \"comando de destruir todos los conjuntos\" desde el espacio de usuario. Este \u00faltimo se tuvo en cuenta en ip_set_dereference() (se mantiene el mutex de nfnetlink), pero el primero no. El parche agrega la verificaci\u00f3n requerida a rcu_dereference_protected() en ip_set_dereference()."}], "id": "CVE-2024-40993", "lastModified": "2026-10-15T01:18:40.213", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-40993", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T17:01:41.687653Z", "version": "2.0.3"}}]}, "published": "2024-07-12T13:15:20.553", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8ecd06277a7664f4ef018abae3abd3451d64e7a6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/94dd411c18d7fff9e411555d5c662d29416501e4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3799d02ae4208af08e81310770d8754863a246a1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3fc09e1ca854bc234e007a56e0f7431f5e2defb5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/523bed6489e089dd8040e72453fb79da47b144c2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/72d9611968867cc4c5509e7708b1507d692b797a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/788d585e62f487bc4536d454937f737b70d39a33"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8ecd06277a7664f4ef018abae3abd3451d64e7a6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/94dd411c18d7fff9e411555d5c662d29416501e4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: netfilter: ipset: Fix suspicious rcu_dereference_protected()", "id": "2297577", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2297577"}, "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-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: ipset: Fix suspicious rcu_dereference_protected()\nWhen destroying all sets, we are either in pernet exit phase or\nare executing a \"destroy all sets command\" from userspace. The latter\nwas taken into account in ip_set_dereference() (nfnetlink mutex is held),\nbut the former was not. The patch adds the required check to\nrcu_dereference_protected() in ip_set_dereference()."], "name": "CVE-2024-40993", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "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": "2024-07-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-40993\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-40993\nhttps://lore.kernel.org/linux-cve-announce/2024071250-CVE-2024-40993-ee08@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T23:06:11.724712+00:00", "updated": "2025-07-12T23:06:11.724820+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}