mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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157 lines
9.5 KiB
JSON
157 lines
9.5 KiB
JSON
{
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"id": "CVE-2024-42272",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-08-17T09:15:08.370",
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"lastModified": "2024-09-30T13:40:21.843",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"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"
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},
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{
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"lang": "es",
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"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"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-908"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.10.221",
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"versionEndExcluding": "5.10.224",
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/2191a54f63225b548fd8346be3611c3219a24738",
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} |