CVE-2026-72419

{
  "id": "CVE-2026-72419",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "cbc1dd5b659f5a2c3cba88b197b7443679bb35a0",
              "lessThan": "359d8ff97362a4662356104540e4814bff9dad7c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cbc1dd5b659f5a2c3cba88b197b7443679bb35a0",
              "lessThan": "87f7a720de2545fdac29c85acb7163676feacdaf",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cbc1dd5b659f5a2c3cba88b197b7443679bb35a0",
              "lessThan": "e794f633021defcfa98e17d73b955cd07590831f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cbc1dd5b659f5a2c3cba88b197b7443679bb35a0",
              "lessThan": "a73e7ac3f3b69e9581ec7bfd889ff3e9b8c773f7",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cbc1dd5b659f5a2c3cba88b197b7443679bb35a0",
              "lessThan": "eb14aba91163c33d8c99f9d7c06690e08b56a250",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "cbc1dd5b659f5a2c3cba88b197b7443679bb35a0",
              "lessThan": "069cfe3de2a5e16069485893cd04665ab769c1d8",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "net/netfilter/nf_nat_core.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.1"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.1",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "net/netfilter/nf_nat_core.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-15T06:22:15.573",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/069cfe3de2a5e16069485893cd04665ab769c1d8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/359d8ff97362a4662356104540e4814bff9dad7c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/87f7a720de2545fdac29c85acb7163676feacdaf",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a73e7ac3f3b69e9581ec7bfd889ff3e9b8c773f7",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e794f633021defcfa98e17d73b955cd07590831f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/eb14aba91163c33d8c99f9d7c06690e08b56a250",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_nat: avoid invalid nat_net pointer use on failed nf_nat_init()\n\nWe ran into below KASAN splat, which is mostly uninteresting, beside\nfor having nf_nat_register_fn() in the call chain as a cause for the\noffending access:\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in nf_nat_register_fn+0x5f9/0x640\nRead of size 8 at addr ffff890031e54c20 by task iptables/9510\n\nCPU: 0 UID: 0 PID: 9510 Comm: iptables Not tainted 6.18.18-grsec-full-20260320181326 #1 PREEMPT(voluntary)\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nCall Trace:\n <TASK>\n […] dump_stack_lvl+0xee/0x160 ffff88004117eeb8\n […] print_report+0x6e/0x640 ffff88004117eee0\n […] ? __phys_addr+0x8e/0x140 ffff88004117eef0\n […] ? kasan_addr_to_slab+0x51/0xe0 ffff88004117ef08\n […] ? complete_report_info+0xec/0x1c0 ffff88004117ef20\n […] ? nf_nat_register_fn+0x5f9/0x640 ffff88004117ef48\n […] kasan_report+0xbc/0x140 ffff88004117ef50\n […] ? nf_nat_register_fn+0x5f9/0x640 ffff88004117ef90\n […] nf_nat_register_fn+0x5f9/0x640 ffff88004117eff8\n […] ? nf_nat_icmp_reply_translation+0x6e0/0x6e0 ffff88004117f070\n […] nf_tables_register_hook.part.0+0xa0/0x220 ffff88004117f080\n […] nf_tables_addchain.constprop.0+0x1054/0x1fc0 ffff88004117f0b8\n […] ? nft_chain_lookup.part.0+0x4ce/0xac0 ffff88004117f130\n […] ? nf_tables_abort+0x3d80/0x3d80 ffff88004117f190\n […] ? nf_tables_dumpreset_obj+0x100/0x100 ffff88004117f1c8\n […] ? nft_table_lookup.part.0+0x255/0x300 ffff88004117f310\n […] ? nf_tables_newchain+0x21a4/0x2fa0 ffff88004117f358\n […] nf_tables_newchain+0x21a4/0x2fa0 ffff88004117f360\n […] ? nf_tables_addchain.constprop.0+0x1fc0/0x1fc0 ffff88004117f458\n […] ? nla_get_range_signed+0x4a0/0x4a0 ffff88004117f488\n […] ? lock_acquire+0x16f/0x320 ffff88004117f490\n […] ? find_held_lock+0x3b/0xe0 ffff88004117f4b0\n […] ? __nla_parse+0x45/0x80 ffff88004117f500\n […] nfnetlink_rcv_batch+0xbca/0x19a0 ffff88004117f550\n […] ? nfnetlink_net_exit_batch+0x120/0x120 ffff88004117f618\n […] ? __sanitizer_cov_trace_switch+0x63/0xe0 ffff88004117f720\n […] ? gr_acl_handle_mmap+0x1c4/0x320 ffff88004117f7c0\n […] ? nla_get_range_signed+0x4a0/0x4a0 ffff88004117f7e8\n […] ? gr_is_capable+0x6f/0xe0 ffff88004117f830\n […] ? __nla_parse+0x45/0x80 ffff88004117f860\n […] ? skb_pull+0x103/0x1a0 ffff88004117f880\n […] nfnetlink_rcv+0x3db/0x4a0 ffff88004117f8b0\n […] ? nfnetlink_rcv_batch+0x19a0/0x19a0 ffff88004117f8d8\n […] ? netlink_lookup+0xe2/0x240 ffff88004117f900\n […] netlink_unicast+0x74b/0xb00 ffff88004117f930\n […] ? netlink_attachskb+0xb20/0xb20 ffff88004117f980\n […] ? __check_object_size+0x3e/0xaa0 ffff88004117f998\n […] ? security_netlink_send+0x51/0x160 ffff88004117f9c8\n […] netlink_sendmsg+0xa03/0x1200 ffff88004117f9f8\n […] ? netlink_unicast+0xb00/0xb00 ffff88004117fa70\n […] ? netlink_unicast+0xb00/0xb00 ffff88004117fac8\n […] ? ____sys_sendmsg+0xe2a/0x1040 ffff88004117faf8\n […] ____sys_sendmsg+0xe2a/0x1040 ffff88004117fb00\n […] ? kernel_recvmsg+0x300/0x300 ffff88004117fb60\n […] ? reacquire_held_locks+0xe9/0x260 ffff88004117fbc8\n […] ___sys_sendmsg+0x138/0x200 ffff88004117fbf8\n […] ? do_recvmmsg+0x7e0/0x7e0 ffff88004117fc30\n […] ? lockdep_hardirqs_on_prepare+0x101/0x1e0 ffff88004117fc50\n […] ? lock_acquire+0x16f/0x320 ffff88004117fd20\n […] ? lock_acquire+0x16f/0x320 ffff88004117fd58\n […] ? find_held_lock+0x3b/0xe0 ffff88004117fd70\n […] __sys_sendmsg+0x17a/0x260 ffff88004117fdc8\n […] ? __sys_sendmsg_sock+0x80/0x80 ffff88004117fdf0\n […] ? syscall_trace_enter+0x15e/0x2c0 ffff88004117fe98\n […] do_syscall_64+0x7d/0x400 ffff88004117fec8\n […] entry_SYSCALL_64_safe_stack+0x4a/0x60 ffff88004117fef8\n </TASK>\n==================================================================\n\nThe out-of-bounds report, though, is a red herring as it is f\n---truncated---"
    }
  ],
  "lastModified": "2026-08-17T06:19:08.897",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}