{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-42272", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-30T07:40:12.260Z", "datePublished": "2024-08-17T08:54:26.755Z", "dateUpdated": "2026-05-12T11:56:43.232Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:29:08.639Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched: act_ct: take care of padding in struct zones_ht_key\n\nBlamed commit increased lookup key size from 2 bytes to 16 bytes,\nbecause zones_ht_key got a struct net pointer.\n\nMake sure rhashtable_lookup() is not using the padding bytes\nwhich are not initialized.\n\n BUG: KMSAN: uninit-value in rht_ptr_rcu include/linux/rhashtable.h:376 [inline]\n BUG: KMSAN: uninit-value in 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net/sched/act_ct.c:1408"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sched/act_ct.c"], "versions": [{"version": "03f625505e27f709390a86c9b78d3707f4c23df8", "lessThan": "7c03ab555eb1ba26c77fd7c25bdf44a0ac23edee", "status": "affected", "versionType": "git"}, {"version": "aa1f81fe3a059bc984b230b5352ab89d06aa3c7b", "lessThan": "3ddefcb8f75e312535e2e7d5fef9932019ba60f2", "status": "affected", "versionType": "git"}, {"version": "2f82f75f843445daa81e8b2a76774b1348033ce6", "lessThan": "d06daf0ad645d9225a3ff6958dd82e1f3988fa64", "status": "affected", "versionType": "git"}, {"version": "9126fd82e9edc7b4796f756e4b258d34f17e5e4a", "lessThan": "d7cc186d0973afce0e1237c37f7512c01981fb79", "status": "affected", "versionType": "git"}, {"version": "88c67aeb14070bab61d3dd8be96c8b42ebcaf53a", "lessThan": "3a5b68869dbe14f1157c6a24ac71923db060eeab", "status": 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "301A0246-1161-4A6B-908F-525515AD5B20", "versionEndExcluding": "5.10.224", "versionStartIncluding": "5.10.221", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "11D5C434-764B-4DCC-80A5-5AFDA2AEB21B", "versionEndExcluding": "5.15.165", "versionStartIncluding": "5.15.162", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D4BD3E8-CDA7-40DB-8B42-051B214E2DE3", "versionEndExcluding": "6.1.104", "versionStartIncluding": "6.1.96", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E7A8DCF2-5022-498A-896B-D47AD8E08E9E", "versionEndExcluding": "6.6.45", "versionStartIncluding": "6.6.36", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA5E7970-A460-40EE-9BDE-6FFF21149DDA", "versionEndExcluding": "6.10", "versionStartIncluding": "6.9.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "58294AC2-8D9E-4C90-B6EC-7C210C28ECB6", "versionEndExcluding": "6.10.4", "versionStartIncluding": "6.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched: act_ct: take care of padding in struct zones_ht_key\n\nBlamed commit increased lookup key size from 2 bytes to 16 bytes,\nbecause zones_ht_key got a struct net pointer.\n\nMake sure rhashtable_lookup() is not using the padding bytes\nwhich are not initialized.\n\n BUG: KMSAN: uninit-value in rht_ptr_rcu include/linux/rhashtable.h:376 [inline]\n BUG: KMSAN: uninit-value in __rhashtable_lookup include/linux/rhashtable.h:607 [inline]\n BUG: KMSAN: uninit-value in rhashtable_lookup include/linux/rhashtable.h:646 [inline]\n BUG: KMSAN: uninit-value in rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]\n BUG: KMSAN: uninit-value in tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329\n rht_ptr_rcu include/linux/rhashtable.h:376 [inline]\n __rhashtable_lookup include/linux/rhashtable.h:607 [inline]\n rhashtable_lookup include/linux/rhashtable.h:646 [inline]\n rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]\n tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329\n tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408\n tcf_action_init_1+0x6cc/0xb30 net/sched/act_api.c:1425\n tcf_action_init+0x458/0xf00 net/sched/act_api.c:1488\n tcf_action_add net/sched/act_api.c:2061 [inline]\n tc_ctl_action+0x4be/0x19d0 net/sched/act_api.c:2118\n rtnetlink_rcv_msg+0x12fc/0x1410 net/core/rtnetlink.c:6647\n netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2550\n rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6665\n netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]\n netlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1357\n netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1901\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x30f/0x380 net/socket.c:745\n ____sys_sendmsg+0x877/0xb60 net/socket.c:2597\n ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2651\n __sys_sendmsg net/socket.c:2680 [inline]\n __do_sys_sendmsg net/socket.c:2689 [inline]\n __se_sys_sendmsg net/socket.c:2687 [inline]\n __x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2687\n x64_sys_call+0x2dd6/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:47\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nLocal variable key created at:\n tcf_ct_flow_table_get+0x4a/0x2260 net/sched/act_ct.c:324\n tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: sched: act_ct: cuida el relleno en struct zonas_ht_key El commit culpada aument\u00f3 el tama\u00f1o de la clave de b\u00fasqueda de 2 bytes a 16 bytes, porque zonas_ht_key obtuvo un puntero de red de estructura. Aseg\u00farese de que rhashtable_lookup() no est\u00e9 utilizando los bytes de relleno que no est\u00e1n inicializados. ERROR: KMSAN: valor uninit en rht_ptr_rcu include/linux/rhashtable.h:376 [en l\u00ednea] ERROR: KMSAN: valor uninit en __rhashtable_lookup include/linux/rhashtable.h:607 [en l\u00ednea] ERROR: KMSAN: valor uninit en rhashtable_lookup include/linux/rhashtable.h:646 [en l\u00ednea] ERROR: KMSAN: valor uninit en rhashtable_lookup_fast include/linux/rhashtable.h:672 [en l\u00ednea] ERROR: KMSAN: valor uninit en tcf_ct_flow_table_get+0x611/0x2260 net/sched /act_ct.c:329 rht_ptr_rcu include/linux/rhashtable.h:376 [en l\u00ednea] __rhashtable_lookup include/linux/rhashtable.h:607 [en l\u00ednea] rhashtable_lookup include/linux/rhashtable.h:646 [en l\u00ednea] rhashtable_lookup_fast include/linux/ rhashtable.h:672 [en l\u00ednea] tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329 tcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408 tcf_action_init_1+0x6cc/0xb30 net/sched/act_api.c:1425 tcf_action_init+0x458/0xf00 net/sched/act_api.c:1488 tcf_action_add net/sched/act_api.c:2061 [en l\u00ednea] tc_ctl_action+0x4be/0x19d0 net/sched/act_api.c:2118 rtnetlink_rcv_msg+0x12fc/0x1410 net /n\u00facleo/ rtnetlink.c:6647 netlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2550 rtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6665 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [en l\u00ednea] netlink_unicast+0xf52/ 0x1260 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [en l\u00ednea] __sock_sendmsg+0x30f/0x380 net/socket.c:745 ____sys_s mensaje final+0x877 /0xb60 net/socket.c:2597 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2651 __sys_sendmsg net/socket.c:2680 [en l\u00ednea] __do_sys_sendmsg net/socket.c:2689 [en l\u00ednea] __se_sys_sendmsg net/socket. c: 2687 [en l\u00ednea] __x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2687 x64_sys_call+0x2dd6/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea ] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x77/0x7f Clave de variable local creada en: tcf_ct_flow_table_get+0x4a/0x2260 net/sched/act_ct.c:324 tcf_ct_init+0xa67/0x2890 net /programado /act_ct.c:1408"}], "id": "CVE-2024-42272", "lastModified": "2026-05-12T12:17:05.243", "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": "2024-08-17T09:15:08.370", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2191a54f63225b548fd8346be3611c3219a24738"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3a5b68869dbe14f1157c6a24ac71923db060eeab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3ddefcb8f75e312535e2e7d5fef9932019ba60f2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7c03ab555eb1ba26c77fd7c25bdf44a0ac23edee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d06daf0ad645d9225a3ff6958dd82e1f3988fa64"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d7cc186d0973afce0e1237c37f7512c01981fb79"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"}, {"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": "CWE-908"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:8162", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.40.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-10-16T00:00:00Z"}, {"advisory": "RHSA-2024:8162", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.40.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-10-16T00:00:00Z"}, {"advisory": "RHSA-2024:8157", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.88.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-10-16T00:00:00Z"}, {"advisory": "RHSA-2024:8158", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.88.1.rt14.373.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-10-16T00:00:00Z"}], "bugzilla": {"description": "kernel: sched: act_ct: take care of padding in struct zones_ht_key", "id": "2305417", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2305417"}, "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": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsched: act_ct: take care of padding in struct zones_ht_key\nBlamed commit increased lookup key size from 2 bytes to 16 bytes,\nbecause zones_ht_key got a struct net pointer.\nMake sure rhashtable_lookup() is not using the padding bytes\nwhich are not initialized.\nBUG: KMSAN: uninit-value in rht_ptr_rcu include/linux/rhashtable.h:376 [inline]\nBUG: KMSAN: uninit-value in __rhashtable_lookup include/linux/rhashtable.h:607 [inline]\nBUG: KMSAN: uninit-value in rhashtable_lookup include/linux/rhashtable.h:646 [inline]\nBUG: KMSAN: uninit-value in rhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]\nBUG: KMSAN: uninit-value in tcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329\nrht_ptr_rcu include/linux/rhashtable.h:376 [inline]\n__rhashtable_lookup include/linux/rhashtable.h:607 [inline]\nrhashtable_lookup include/linux/rhashtable.h:646 [inline]\nrhashtable_lookup_fast include/linux/rhashtable.h:672 [inline]\ntcf_ct_flow_table_get+0x611/0x2260 net/sched/act_ct.c:329\ntcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408\ntcf_action_init_1+0x6cc/0xb30 net/sched/act_api.c:1425\ntcf_action_init+0x458/0xf00 net/sched/act_api.c:1488\ntcf_action_add net/sched/act_api.c:2061 [inline]\ntc_ctl_action+0x4be/0x19d0 net/sched/act_api.c:2118\nrtnetlink_rcv_msg+0x12fc/0x1410 net/core/rtnetlink.c:6647\nnetlink_rcv_skb+0x375/0x650 net/netlink/af_netlink.c:2550\nrtnetlink_rcv+0x34/0x40 net/core/rtnetlink.c:6665\nnetlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]\nnetlink_unicast+0xf52/0x1260 net/netlink/af_netlink.c:1357\nnetlink_sendmsg+0x10da/0x11e0 net/netlink/af_netlink.c:1901\nsock_sendmsg_nosec net/socket.c:730 [inline]\n__sock_sendmsg+0x30f/0x380 net/socket.c:745\n____sys_sendmsg+0x877/0xb60 net/socket.c:2597\n___sys_sendmsg+0x28d/0x3c0 net/socket.c:2651\n__sys_sendmsg net/socket.c:2680 [inline]\n__do_sys_sendmsg net/socket.c:2689 [inline]\n__se_sys_sendmsg net/socket.c:2687 [inline]\n__x64_sys_sendmsg+0x307/0x4a0 net/socket.c:2687\nx64_sys_call+0x2dd6/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:47\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f\nLocal variable key created at:\ntcf_ct_flow_table_get+0x4a/0x2260 net/sched/act_ct.c:324\ntcf_ct_init+0xa67/0x2890 net/sched/act_ct.c:1408"], "name": "CVE-2024-42272", "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": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-08-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-42272\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-42272\nhttps://lore.kernel.org/linux-cve-announce/2024081739-CVE-2024-42272-c687@gregkh/T"], "statement": "Red Hat Enterprise Linux 7 and 8 are not affected by this vulnerability.", "threat_severity": "Moderate"}

{}