cve-2024-42272
Vulnerability from cvelistv5
Published
2024-08-17 08:54
Modified
2024-09-15 17:52
Severity ?
Summary
sched: act_ct: take care of padding in struct zones_ht_key
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2191a54f63225b548fd8346be3611c3219a24738Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3a5b68869dbe14f1157c6a24ac71923db060eeabPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3ddefcb8f75e312535e2e7d5fef9932019ba60f2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7c03ab555eb1ba26c77fd7c25bdf44a0ac23edeePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d06daf0ad645d9225a3ff6958dd82e1f3988fa64Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d7cc186d0973afce0e1237c37f7512c01981fb79Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
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            "other": {
              "content": {
                "id": "CVE-2024-42272",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:12:08.203348Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2024-09-12T17:33:05.421Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/sched/act_ct.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "status": "affected",
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        {
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          "product": "Linux",
          "programFiles": [
            "net/sched/act_ct.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.10"
            },
            {
              "lessThan": "6.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.224",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.165",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.104",
              "versionType": "custom"
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            {
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              "status": "unaffected",
              "version": "6.6.45",
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              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
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        }
      ],
      "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"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-15T17:52:37.338Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7c03ab555eb1ba26c77fd7c25bdf44a0ac23edee"
        },
        {
          "url": "https://git.kernel.org/stable/c/3ddefcb8f75e312535e2e7d5fef9932019ba60f2"
        },
        {
          "url": "https://git.kernel.org/stable/c/d06daf0ad645d9225a3ff6958dd82e1f3988fa64"
        },
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          "url": "https://git.kernel.org/stable/c/d7cc186d0973afce0e1237c37f7512c01981fb79"
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        },
        {
          "url": "https://git.kernel.org/stable/c/2191a54f63225b548fd8346be3611c3219a24738"
        }
      ],
      "title": "sched: act_ct: take care of padding in struct zones_ht_key",
      "x_generator": {
        "engine": "bippy-c9c4e1df01b2"
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-42272",
    "datePublished": "2024-08-17T08:54:26.755Z",
    "dateReserved": "2024-07-30T07:40:12.260Z",
    "dateUpdated": "2024-09-15T17:52:37.338Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-42272\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-17T09:15:08.370\",\"lastModified\":\"2024-09-30T13:40:21.843\",\"vulnStatus\":\"Analyzed\",\"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\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-908\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.221\",\"versionEndExcluding\":\"5.10.224\",\"matchCriteriaId\":\"301A0246-1161-4A6B-908F-525515AD5B20\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.162\",\"versionEndExcluding\":\"5.15.165\",\"matchCriteriaId\":\"11D5C434-764B-4DCC-80A5-5AFDA2AEB21B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.96\",\"versionEndExcluding\":\"6.1.104\",\"matchCriteriaId\":\"8D4BD3E8-CDA7-40DB-8B42-051B214E2DE3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.36\",\"versionEndExcluding\":\"6.6.45\",\"matchCriteriaId\":\"E7A8DCF2-5022-498A-896B-D47AD8E08E9E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.9.7\",\"versionEndExcluding\":\"6.10\",\"matchCriteriaId\":\"FA5E7970-A460-40EE-9BDE-6FFF21149DDA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.10\",\"versionEndExcluding\":\"6.10.4\",\"matchCriteriaId\":\"58294AC2-8D9E-4C90-B6EC-7C210C28ECB6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"}]}]}],\"references\":[{\"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\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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