nvd-json-data-feeds/CVE-2024/CVE-2024-449xx/CVE-2024-44999.json

{
  "id": "CVE-2024-44999",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-09-04T20:15:08.590",
  "lastModified": "2024-09-06T16:27:51.890",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngtp: pull network headers in gtp_dev_xmit()\n\nsyzbot/KMSAN reported use of uninit-value in get_dev_xmit() [1]\n\nWe must make sure the IPv4 or Ipv6 header is pulled in skb->head\nbefore accessing fields in them.\n\nUse pskb_inet_may_pull() to fix this issue.\n\n[1]\nBUG: KMSAN: uninit-value in ipv6_pdp_find drivers/net/gtp.c:220 [inline]\n BUG: KMSAN: uninit-value in gtp_build_skb_ip6 drivers/net/gtp.c:1229 [inline]\n BUG: KMSAN: uninit-value in gtp_dev_xmit+0x1424/0x2540 drivers/net/gtp.c:1281\n  ipv6_pdp_find drivers/net/gtp.c:220 [inline]\n  gtp_build_skb_ip6 drivers/net/gtp.c:1229 [inline]\n  gtp_dev_xmit+0x1424/0x2540 drivers/net/gtp.c:1281\n  __netdev_start_xmit include/linux/netdevice.h:4913 [inline]\n  netdev_start_xmit include/linux/netdevice.h:4922 [inline]\n  xmit_one net/core/dev.c:3580 [inline]\n  dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3596\n  __dev_queue_xmit+0x358c/0x5610 net/core/dev.c:4423\n  dev_queue_xmit include/linux/netdevice.h:3105 [inline]\n  packet_xmit+0x9c/0x6c0 net/packet/af_packet.c:276\n  packet_snd net/packet/af_packet.c:3145 [inline]\n  packet_sendmsg+0x90e3/0xa3a0 net/packet/af_packet.c:3177\n  sock_sendmsg_nosec net/socket.c:730 [inline]\n  __sock_sendmsg+0x30f/0x380 net/socket.c:745\n  __sys_sendto+0x685/0x830 net/socket.c:2204\n  __do_sys_sendto net/socket.c:2216 [inline]\n  __se_sys_sendto net/socket.c:2212 [inline]\n  __x64_sys_sendto+0x125/0x1d0 net/socket.c:2212\n  x64_sys_call+0x3799/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:45\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\nUninit was created at:\n  slab_post_alloc_hook mm/slub.c:3994 [inline]\n  slab_alloc_node mm/slub.c:4037 [inline]\n  kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4080\n  kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:583\n  __alloc_skb+0x363/0x7b0 net/core/skbuff.c:674\n  alloc_skb include/linux/skbuff.h:1320 [inline]\n  alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6526\n  sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2815\n  packet_alloc_skb net/packet/af_packet.c:2994 [inline]\n  packet_snd net/packet/af_packet.c:3088 [inline]\n  packet_sendmsg+0x749c/0xa3a0 net/packet/af_packet.c:3177\n  sock_sendmsg_nosec net/socket.c:730 [inline]\n  __sock_sendmsg+0x30f/0x380 net/socket.c:745\n  __sys_sendto+0x685/0x830 net/socket.c:2204\n  __do_sys_sendto net/socket.c:2216 [inline]\n  __se_sys_sendto net/socket.c:2212 [inline]\n  __x64_sys_sendto+0x125/0x1d0 net/socket.c:2212\n  x64_sys_call+0x3799/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:45\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\nCPU: 0 UID: 0 PID: 7115 Comm: syz.1.515 Not tainted 6.11.0-rc1-syzkaller-00043-g94ede2a3e913 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: gtp: extraer encabezados de red en gtp_dev_xmit() syzbot/KMSAN inform\u00f3 del uso de uninit-value en get_dev_xmit() [1] Debemos asegurarnos de que el encabezado IPv4 o Ipv6 se extraiga en skb->head antes de acceder a los campos que contienen. Utilice pskb_inet_may_pull() para solucionar este problema. [1] ERROR: KMSAN: valor no inicializado en ipv6_pdp_find drivers/net/gtp.c:220 [en l\u00ednea] ERROR: KMSAN: valor no inicializado en gtp_build_skb_ip6 drivers/net/gtp.c:1229 [en l\u00ednea] ERROR: KMSAN: valor no inicializado en gtp_dev_xmit+0x1424/0x2540 drivers/net/gtp.c:1281 ipv6_pdp_find drivers/net/gtp.c:220 [en l\u00ednea] gtp_build_skb_ip6 drivers/net/gtp.c:1229 [en l\u00ednea] gtp_dev_xmit+0x1424/0x2540 drivers/net/gtp.c:1281 __netdev_start_xmit incluir/linux/netdevice.h:4913 [en l\u00ednea] netdev_start_xmit incluir/linux/netdevice.h:4922 [en l\u00ednea] xmit_one net/core/dev.c:3580 [en l\u00ednea] dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3596 __dev_queue_xmit+0x358c/0x5610 net/core/dev.c:4423 dev_queue_xmit incluir/linux/netdevice.h:3105 [en l\u00ednea] paquete_xmit+0x9c/0x6c0 net/paquete/af_packet.c:276 paquete_snd net/paquete/af_packet.c:3145 [en l\u00ednea] paquete_sendmsg+0x90e3/0xa3a0 net/packet/af_packet.c:3177 sock_sendmsg_nosec net/socket.c:730 [en l\u00ednea] __sock_sendmsg+0x30f/0x380 net/socket.c:745 __sys_sendto+0x685/0x830 net/socket.c:2204 __do_sys_sendto net/socket.c:2216 [en l\u00ednea] __se_sys_sendto net/socket.c:2212 [en l\u00ednea] __x64_sys_sendto+0x125/0x1d0 net/socket.c:2212 x64_sys_call+0x3799/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:45 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 Uninit se cre\u00f3 en: slab_post_alloc_hook mm/slub.c:3994 [en l\u00ednea] slab_alloc_node mm/slub.c:4037 [en l\u00ednea] kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4080 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:583 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:674 alloc_skb include/linux/skbuff.h:1320 [en l\u00ednea] alloc_skb_with_frags+0xc8/0xbf0 net/core/skbuff.c:6526 sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2815 packet_alloc_skb net/packet/af_packet.c:2994 [en l\u00ednea] packet_snd net/packet/af_packet.c:3088 [en l\u00ednea] packet_sendmsg+0x749c/0xa3a0 net/packet/af_packet.c:3177 sock_sendmsg_nosec net/socket.c:730 [en l\u00ednea] __sock_sendmsg+0x30f/0x380 net/socket.c:745 __sys_sendto+0x685/0x830 red/socket.c:2204 __do_sys_sendto red/socket.c:2216 [en l\u00ednea] __se_sys_sendto red/socket.c:2212 [en l\u00ednea] __x64_sys_sendto+0x125/0x1d0 red/socket.c:2212 x64_sys_call+0x3799/0x3c10 arch/x86/include/generated/asm/syscalls_64.h:45 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 CPU: 0 UID: 0 PID: 7115 Comm: syz.1.515 No contaminado 6.11.0-rc1-syzkaller-00043-g94ede2a3e913 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 27/06/2024"
    }
  ],
  "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:H/I:N/A:H",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-908"
        }
      ]
    }
  ],
  "configurations": [
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