cve-2024-42106
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2024-11-05 09:37
Severity ?
Summary
inet_diag: Initialize pad field in struct inet_diag_req_v2
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0184bf0a349f4cf9e663abbe862ff280e8e4dfa2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/61cf1c739f08190a4cbf047b9fbb192a94d87e3f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7094a5fd20ab66028f1da7f06e0f2692d70346f9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/76965648fe6858db7c5f3c700fef7aa5f124ca1c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7ef519c8efde152e0d632337f2994f6921e0b7e4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8366720519ea8d322a20780debdfd23d9fc0904a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6f487e0704de2f2d15f8dd5d7d723210f2b2fdb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f9b2010e8af49fac9d9562146fb81744d8a9b051
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0184bf0a349f4cf9e663abbe862ff280e8e4dfa2
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/61cf1c739f08190a4cbf047b9fbb192a94d87e3f
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7094a5fd20ab66028f1da7f06e0f2692d70346f9
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/76965648fe6858db7c5f3c700fef7aa5f124ca1c
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7ef519c8efde152e0d632337f2994f6921e0b7e4
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8366720519ea8d322a20780debdfd23d9fc0904a
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d6f487e0704de2f2d15f8dd5d7d723210f2b2fdb
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f9b2010e8af49fac9d9562146fb81744d8a9b051
Impacted products
Vendor Product Version
Linux Linux Version: 4.10
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ninet_diag: Initialize pad field in struct inet_diag_req_v2\n\nKMSAN reported uninit-value access in raw_lookup() [1]. Diag for raw\nsockets uses the pad field in struct inet_diag_req_v2 for the\nunderlying protocol. This field corresponds to the sdiag_raw_protocol\nfield in struct inet_diag_req_raw.\n\ninet_diag_get_exact_compat() converts inet_diag_req to\ninet_diag_req_v2, but leaves the pad field uninitialized. So the issue\noccurs when raw_lookup() accesses the sdiag_raw_protocol field.\n\nFix this by initializing the pad field in\ninet_diag_get_exact_compat(). Also, do the same fix in\ninet_diag_dump_compat() to avoid the similar issue in the future.\n\n[1]\nBUG: KMSAN: uninit-value in raw_lookup net/ipv4/raw_diag.c:49 [inline]\nBUG: KMSAN: uninit-value in raw_sock_get+0x657/0x800 net/ipv4/raw_diag.c:71\n raw_lookup net/ipv4/raw_diag.c:49 [inline]\n raw_sock_get+0x657/0x800 net/ipv4/raw_diag.c:71\n raw_diag_dump_one+0xa1/0x660 net/ipv4/raw_diag.c:99\n inet_diag_cmd_exact+0x7d9/0x980\n inet_diag_get_exact_compat net/ipv4/inet_diag.c:1404 [inline]\n inet_diag_rcv_msg_compat+0x469/0x530 net/ipv4/inet_diag.c:1426\n sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282\n netlink_rcv_skb+0x537/0x670 net/netlink/af_netlink.c:2564\n sock_diag_rcv+0x35/0x40 net/core/sock_diag.c:297\n netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]\n netlink_unicast+0xe74/0x1240 net/netlink/af_netlink.c:1361\n netlink_sendmsg+0x10c6/0x1260 net/netlink/af_netlink.c:1905\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x332/0x3d0 net/socket.c:745\n ____sys_sendmsg+0x7f0/0xb70 net/socket.c:2585\n ___sys_sendmsg+0x271/0x3b0 net/socket.c:2639\n __sys_sendmsg net/socket.c:2668 [inline]\n __do_sys_sendmsg net/socket.c:2677 [inline]\n __se_sys_sendmsg net/socket.c:2675 [inline]\n __x64_sys_sendmsg+0x27e/0x4a0 net/socket.c:2675\n x64_sys_call+0x135e/0x3ce0 arch/x86/include/generated/asm/syscalls_64.h:47\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xd9/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nUninit was stored to memory at:\n raw_sock_get+0x650/0x800 net/ipv4/raw_diag.c:71\n raw_diag_dump_one+0xa1/0x660 net/ipv4/raw_diag.c:99\n inet_diag_cmd_exact+0x7d9/0x980\n inet_diag_get_exact_compat net/ipv4/inet_diag.c:1404 [inline]\n inet_diag_rcv_msg_compat+0x469/0x530 net/ipv4/inet_diag.c:1426\n sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282\n netlink_rcv_skb+0x537/0x670 net/netlink/af_netlink.c:2564\n sock_diag_rcv+0x35/0x40 net/core/sock_diag.c:297\n netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]\n netlink_unicast+0xe74/0x1240 net/netlink/af_netlink.c:1361\n netlink_sendmsg+0x10c6/0x1260 net/netlink/af_netlink.c:1905\n sock_sendmsg_nosec net/socket.c:730 [inline]\n __sock_sendmsg+0x332/0x3d0 net/socket.c:745\n ____sys_sendmsg+0x7f0/0xb70 net/socket.c:2585\n ___sys_sendmsg+0x271/0x3b0 net/socket.c:2639\n __sys_sendmsg net/socket.c:2668 [inline]\n __do_sys_sendmsg net/socket.c:2677 [inline]\n __se_sys_sendmsg net/socket.c:2675 [inline]\n __x64_sys_sendmsg+0x27e/0x4a0 net/socket.c:2675\n x64_sys_call+0x135e/0x3ce0 arch/x86/include/generated/asm/syscalls_64.h:47\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xd9/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nLocal variable req.i created at:\n inet_diag_get_exact_compat net/ipv4/inet_diag.c:1396 [inline]\n inet_diag_rcv_msg_compat+0x2a6/0x530 net/ipv4/inet_diag.c:1426\n sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282\n\nCPU: 1 PID: 8888 Comm: syz-executor.6 Not tainted 6.10.0-rc4-00217-g35bb670d65fc #32\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014"
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      "title": "inet_diag: Initialize pad field in struct inet_diag_req_v2",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-42106",
    "datePublished": "2024-07-30T07:46:01.865Z",
    "dateReserved": "2024-07-29T15:50:41.175Z",
    "dateUpdated": "2024-11-05T09:37:31.666Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-42106\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-30T08:15:03.100\",\"lastModified\":\"2024-11-21T09:33:36.830\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ninet_diag: Initialize pad field in struct inet_diag_req_v2\\n\\nKMSAN reported uninit-value access in raw_lookup() [1]. Diag for raw\\nsockets uses the pad field in struct inet_diag_req_v2 for the\\nunderlying protocol. This field corresponds to the sdiag_raw_protocol\\nfield in struct inet_diag_req_raw.\\n\\ninet_diag_get_exact_compat() converts inet_diag_req to\\ninet_diag_req_v2, but leaves the pad field uninitialized. So the issue\\noccurs when raw_lookup() accesses the sdiag_raw_protocol field.\\n\\nFix this by initializing the pad field in\\ninet_diag_get_exact_compat(). Also, do the same fix in\\ninet_diag_dump_compat() to avoid the similar issue in the future.\\n\\n[1]\\nBUG: KMSAN: uninit-value in raw_lookup net/ipv4/raw_diag.c:49 [inline]\\nBUG: KMSAN: uninit-value in raw_sock_get+0x657/0x800 net/ipv4/raw_diag.c:71\\n raw_lookup net/ipv4/raw_diag.c:49 [inline]\\n raw_sock_get+0x657/0x800 net/ipv4/raw_diag.c:71\\n raw_diag_dump_one+0xa1/0x660 net/ipv4/raw_diag.c:99\\n inet_diag_cmd_exact+0x7d9/0x980\\n inet_diag_get_exact_compat net/ipv4/inet_diag.c:1404 [inline]\\n inet_diag_rcv_msg_compat+0x469/0x530 net/ipv4/inet_diag.c:1426\\n sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282\\n netlink_rcv_skb+0x537/0x670 net/netlink/af_netlink.c:2564\\n sock_diag_rcv+0x35/0x40 net/core/sock_diag.c:297\\n netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]\\n netlink_unicast+0xe74/0x1240 net/netlink/af_netlink.c:1361\\n netlink_sendmsg+0x10c6/0x1260 net/netlink/af_netlink.c:1905\\n sock_sendmsg_nosec net/socket.c:730 [inline]\\n __sock_sendmsg+0x332/0x3d0 net/socket.c:745\\n ____sys_sendmsg+0x7f0/0xb70 net/socket.c:2585\\n ___sys_sendmsg+0x271/0x3b0 net/socket.c:2639\\n __sys_sendmsg net/socket.c:2668 [inline]\\n __do_sys_sendmsg net/socket.c:2677 [inline]\\n __se_sys_sendmsg net/socket.c:2675 [inline]\\n __x64_sys_sendmsg+0x27e/0x4a0 net/socket.c:2675\\n x64_sys_call+0x135e/0x3ce0 arch/x86/include/generated/asm/syscalls_64.h:47\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xd9/0x1e0 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nUninit was stored to memory at:\\n raw_sock_get+0x650/0x800 net/ipv4/raw_diag.c:71\\n raw_diag_dump_one+0xa1/0x660 net/ipv4/raw_diag.c:99\\n inet_diag_cmd_exact+0x7d9/0x980\\n inet_diag_get_exact_compat net/ipv4/inet_diag.c:1404 [inline]\\n inet_diag_rcv_msg_compat+0x469/0x530 net/ipv4/inet_diag.c:1426\\n sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282\\n netlink_rcv_skb+0x537/0x670 net/netlink/af_netlink.c:2564\\n sock_diag_rcv+0x35/0x40 net/core/sock_diag.c:297\\n netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]\\n netlink_unicast+0xe74/0x1240 net/netlink/af_netlink.c:1361\\n netlink_sendmsg+0x10c6/0x1260 net/netlink/af_netlink.c:1905\\n sock_sendmsg_nosec net/socket.c:730 [inline]\\n __sock_sendmsg+0x332/0x3d0 net/socket.c:745\\n ____sys_sendmsg+0x7f0/0xb70 net/socket.c:2585\\n ___sys_sendmsg+0x271/0x3b0 net/socket.c:2639\\n __sys_sendmsg net/socket.c:2668 [inline]\\n __do_sys_sendmsg net/socket.c:2677 [inline]\\n __se_sys_sendmsg net/socket.c:2675 [inline]\\n __x64_sys_sendmsg+0x27e/0x4a0 net/socket.c:2675\\n x64_sys_call+0x135e/0x3ce0 arch/x86/include/generated/asm/syscalls_64.h:47\\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\\n do_syscall_64+0xd9/0x1e0 arch/x86/entry/common.c:83\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nLocal variable req.i created at:\\n inet_diag_get_exact_compat net/ipv4/inet_diag.c:1396 [inline]\\n inet_diag_rcv_msg_compat+0x2a6/0x530 net/ipv4/inet_diag.c:1426\\n sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282\\n\\nCPU: 1 PID: 8888 Comm: syz-executor.6 Not tainted 6.10.0-rc4-00217-g35bb670d65fc #32\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: inet_diag: inicializa el campo pad en la estructura inet_diag_req_v2 KMSAN inform\u00f3 acceso de valor uninit en raw_lookup() [1]. Diag para sockets sin formato utiliza el campo pad en struct inet_diag_req_v2 para el protocolo subyacente. Este campo corresponde al campo sdiag_raw_protocol en la estructura inet_diag_req_raw. inet_diag_get_exact_compat() convierte inet_diag_req en inet_diag_req_v2, pero deja el campo pad sin inicializar. Entonces el problema ocurre cuando raw_lookup() accede al campo sdiag_raw_protocol. Solucione este problema inicializando el campo pad en inet_diag_get_exact_compat(). Adem\u00e1s, haga la misma correcci\u00f3n en inet_diag_dump_compat() para evitar problemas similares en el futuro. [1] ERROR: KMSAN: valor uninit en raw_lookup net/ipv4/raw_diag.c:49 [en l\u00ednea] ERROR: KMSAN: valor uninit en raw_sock_get+0x657/0x800 net/ipv4/raw_diag.c:71 raw_lookup net/ipv4 /raw_diag.c:49 [en l\u00ednea] raw_sock_get+0x657/0x800 net/ipv4/raw_diag.c:71 raw_diag_dump_one+0xa1/0x660 net/ipv4/raw_diag.c:99 inet_diag_cmd_exact+0x7d9/0x980 inet_diag_get_exact_compat net/ipv4/ inet_diag.c :1404 [en l\u00ednea] inet_diag_rcv_msg_compat+0x469/0x530 net/ipv4/inet_diag.c:1426 sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282 netlink_rcv_skb+0x537/0x670. c:2564 sock_diag_rcv+0x35 /0x40 net/core/sock_diag.c:297 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [en l\u00ednea] netlink_unicast+0xe74/0x1240 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x10c6/0x1260 net/netlink/af_netlink.c :1905 sock_sendmsg_nosec net/socket.c:730 [en l\u00ednea] __sock_sendmsg+0x332/0x3d0 net/socket.c:745 ____sys_sendmsg+0x7f0/0xb70 net/socket.c:2585 ___sys_sendmsg+0x271/0x3b0 net/socket. c:2639 __sys_sendmsg net/socket.c:2668 [en l\u00ednea] __do_sys_sendmsg net/socket.c:2677 [en l\u00ednea] __se_sys_sendmsg net/socket.c:2675 [en l\u00ednea] __x64_sys_sendmsg+0x27e/0x4a0 net/socket.c:2675 x64_sys_call+0x13 5e/0x3ce0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xd9/0x1e0 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit se almacen\u00f3 en la memoria en: raw_sock_get+0x650/0x800 net/ipv4/raw_diag.c:71 raw_diag_dump_one+0xa1/0x660 net/ipv4/raw_diag.c:99 inet_diag_cmd_exact+0x7d9/0x980 inet_diag_get_exact_compat net/ipv4/inet_diag .c:1404 [en l\u00ednea] inet_diag_rcv_msg_compat+0x469/0x530 net/ipv4/inet_diag.c:1426 sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282 netlink_rcv_skb+0x537/0x670 net/netlink/af_netlink.c:256 4 calcet\u00edn_diag_rcv+0x35/0x40 net/core/sock_diag.c:297 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [en l\u00ednea] netlink_unicast+0xe74/0x1240 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x10c6/0x1260 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [en l\u00ednea] __sock_sendmsg+0x332/0x3d0 net/socket.c:745 ____sys_sendmsg+0x7f0/0xb70 net/socket.c:2585 ___sys_sendmsg+0x271/0x3b0 net/socket.c:263 9 __sys_sendmsg neto/ socket.c:2668 [en l\u00ednea] __do_sys_sendmsg net/socket.c:2677 [en l\u00ednea] __se_sys_sendmsg net/socket.c:2675 [en l\u00ednea] __x64_sys_sendmsg+0x27e/0x4a0 net/socket.c:2675 x64_sys_call+0x135e/ 0x3ce0 arch/x86 /include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xd9/0x1e0 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x77/0x7f Variable local req.i creado en: inet_diag_get_exact_compat net/ipv4/inet_diag.c:1396 [en l\u00ednea] inet_diag_rcv_msg_compat+0x2a6/0x530 net/ipv4/inet_diag.c:1426 sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c: 282 procesadores: 1 PID: 8888 Comm: syz-executor.6 No contaminado 6.10.0-rc4-00217-g35bb670d65fc #32 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 01/04/2014\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0184bf0a349f4cf9e663abbe862ff280e8e4dfa2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/61cf1c739f08190a4cbf047b9fbb192a94d87e3f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7094a5fd20ab66028f1da7f06e0f2692d70346f9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/76965648fe6858db7c5f3c700fef7aa5f124ca1c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7ef519c8efde152e0d632337f2994f6921e0b7e4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8366720519ea8d322a20780debdfd23d9fc0904a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d6f487e0704de2f2d15f8dd5d7d723210f2b2fdb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f9b2010e8af49fac9d9562146fb81744d8a9b051\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0184bf0a349f4cf9e663abbe862ff280e8e4dfa2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/61cf1c739f08190a4cbf047b9fbb192a94d87e3f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/7094a5fd20ab66028f1da7f06e0f2692d70346f9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/76965648fe6858db7c5f3c700fef7aa5f124ca1c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/7ef519c8efde152e0d632337f2994f6921e0b7e4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/8366720519ea8d322a20780debdfd23d9fc0904a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/d6f487e0704de2f2d15f8dd5d7d723210f2b2fdb\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/f9b2010e8af49fac9d9562146fb81744d8a9b051\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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