CVE-2024-57882

Estado: ModificadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

mptcp: fix TCP options overflow.

Syzbot reported the following splat:

Eric noted a probable shinfo->nr_frags corruption, which indeed occurs.

The root cause is a buggy MPTCP option len computation in some circumstances: the ADD_ADDR option should be mutually exclusive with DSS since the blamed commit.

Still, mptcp_established_options_add_addr() tries to set the relevant info in mptcp_out_options, if ---truncated---

Detalles técnicos trazas, registros y código del informe original

Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 UID: 0 PID: 5836 Comm: sshd Not tainted 6.13.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:_compound_head include/linux/page-flags.h:242 [inline]
RIP: 0010:put_page+0x23/0x260 include/linux/mm.h:1552
Code: 90 90 90 90 90 90 90 55 41 57 41 56 53 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 f8 5e 12 f8 49 8d 5e 08 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 8f c7 78 f8 48 8b 1b 48 89 de 48 83
RSP: 0000:ffffc90003916c90 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888030458000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff898ca81d R09: 1ffff110054414ac
R10: dffffc0000000000 R11: ffffed10054414ad R12: 0000000000000007
R13: ffff88802a20a542 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f34f496e800(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d6ec9ec28 CR3: 000000004d260000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skb_page_unref include/linux/skbuff_ref.h:43 [inline]
 __skb_frag_unref include/linux/skbuff_ref.h:56 [inline]
 skb_release_data+0x483/0x8a0 net/core/skbuff.c:1119
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb+0x55/0x70 net/core/skbuff.c:1204
 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3436 [inline]
 tcp_ack+0x2442/0x6bc0 net/ipv4/tcp_input.c:4032
 tcp_rcv_state_process+0x8eb/0x44e0 net/ipv4/tcp_input.c:6805
 tcp_v4_do_rcv+0x77d/0xc70 net/ipv4/tcp_ipv4.c:1939
 tcp_v4_rcv+0x2dc0/0x37f0 net/ipv4/tcp_ipv4.c:2351
 ip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233
 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
 __netif_receive_skb_one_core net/core/dev.c:5672 [inline]
 __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5785
 process_backlog+0x662/0x15b0 net/core/dev.c:6117
 __napi_poll+0xcb/0x490 net/core/dev.c:6883
 napi_poll net/core/dev.c:6952 [inline]
 net_rx_action+0x89b/0x1240 net/core/dev.c:7074
 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7f34f4519ad5
Code: 85 d2 74 0d 0f 10 02 48 8d 54 24 20 0f 11 44 24 20 64 8b 04 25 18 00 00 00 85 c0 75 27 41 b8 08 00 00 00 b8 0f 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 75 48 8b 15 24 73 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffec5b32ce0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 00000000000668a0 RCX: 00007f34f4519ad5
RDX: 00007ffec5b32d00 RSI: 0000000000000004 RDI: 0000564f4bc6cae0
RBP: 0000564f4bc6b5a0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffec5b32de8 R11: 0000000000000246 R12: 0000564f48ea8aa4
R13: 0000000000000001 R14: 0000564f48ea93e8 R15: 00007ffec5b32d68
 </TASK>

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Puntuación base: 5.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.52%
Percentil entre todas las CVEs puntuadas: 42
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

CWE-476

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2024-57882",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "cvssData": {
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          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
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        "exploitabilityScore": 1.8
      }
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      "affectedData": [
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          "vendor": "Linux",
          "product": "Linux",
          "versions": [
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          "programFiles": [
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          ],
          "defaultStatus": "unaffected"
        },
        {
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              "lessThan": "5.15",
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              "version": "5.15.177",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
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              "version": "6.1.124",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
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              "version": "6.6.70",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
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              "version": "6.12.9",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
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              "version": "6.13",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "net/mptcp/options.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-01-15T13:15:12.510",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/09ba95321a269019b5aa8e0c3bc80cf86d91fd18",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/53fe947f67c93a5334aed3a7259fcc8a204f8bb6",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/88b01048f286bb522f524ad99943ba86797d6514",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/cbb26f7d8451fe56ccac802c6db48d16240feebd",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fb08e6b0ba284e3dcdc9378de26dcb51d90710f5",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2025/04/01/3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix TCP options overflow.\n\nSyzbot reported the following splat:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\nCPU: 1 UID: 0 PID: 5836 Comm: sshd Not tainted 6.13.0-rc3-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024\nRIP: 0010:_compound_head include/linux/page-flags.h:242 [inline]\nRIP: 0010:put_page+0x23/0x260 include/linux/mm.h:1552\nCode: 90 90 90 90 90 90 90 55 41 57 41 56 53 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 f8 5e 12 f8 49 8d 5e 08 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 8f c7 78 f8 48 8b 1b 48 89 de 48 83\nRSP: 0000:ffffc90003916c90 EFLAGS: 00010202\nRAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888030458000\nRDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: dffffc0000000000 R08: ffffffff898ca81d R09: 1ffff110054414ac\nR10: dffffc0000000000 R11: ffffed10054414ad R12: 0000000000000007\nR13: ffff88802a20a542 R14: 0000000000000000 R15: 0000000000000000\nFS:  00007f34f496e800(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f9d6ec9ec28 CR3: 000000004d260000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n skb_page_unref include/linux/skbuff_ref.h:43 [inline]\n __skb_frag_unref include/linux/skbuff_ref.h:56 [inline]\n skb_release_data+0x483/0x8a0 net/core/skbuff.c:1119\n skb_release_all net/core/skbuff.c:1190 [inline]\n __kfree_skb+0x55/0x70 net/core/skbuff.c:1204\n tcp_clean_rtx_queue net/ipv4/tcp_input.c:3436 [inline]\n tcp_ack+0x2442/0x6bc0 net/ipv4/tcp_input.c:4032\n tcp_rcv_state_process+0x8eb/0x44e0 net/ipv4/tcp_input.c:6805\n tcp_v4_do_rcv+0x77d/0xc70 net/ipv4/tcp_ipv4.c:1939\n tcp_v4_rcv+0x2dc0/0x37f0 net/ipv4/tcp_ipv4.c:2351\n ip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205\n ip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233\n NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314\n NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314\n __netif_receive_skb_one_core net/core/dev.c:5672 [inline]\n __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5785\n process_backlog+0x662/0x15b0 net/core/dev.c:6117\n __napi_poll+0xcb/0x490 net/core/dev.c:6883\n napi_poll net/core/dev.c:6952 [inline]\n net_rx_action+0x89b/0x1240 net/core/dev.c:7074\n handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561\n __do_softirq kernel/softirq.c:595 [inline]\n invoke_softirq kernel/softirq.c:435 [inline]\n __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662\n irq_exit_rcu+0x9/0x30 kernel/softirq.c:678\n instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]\n sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1049\n asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702\nRIP: 0033:0x7f34f4519ad5\nCode: 85 d2 74 0d 0f 10 02 48 8d 54 24 20 0f 11 44 24 20 64 8b 04 25 18 00 00 00 85 c0 75 27 41 b8 08 00 00 00 b8 0f 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 75 48 8b 15 24 73 0d 00 f7 d8 64 89 02 48 83\nRSP: 002b:00007ffec5b32ce0 EFLAGS: 00000246\nRAX: 0000000000000001 RBX: 00000000000668a0 RCX: 00007f34f4519ad5\nRDX: 00007ffec5b32d00 RSI: 0000000000000004 RDI: 0000564f4bc6cae0\nRBP: 0000564f4bc6b5a0 R08: 0000000000000008 R09: 0000000000000000\nR10: 00007ffec5b32de8 R11: 0000000000000246 R12: 0000564f48ea8aa4\nR13: 0000000000000001 R14: 0000564f48ea93e8 R15: 00007ffec5b32d68\n </TASK>\n\nEric noted a probable shinfo->nr_frags corruption, which indeed\noccurs.\n\nThe root cause is a buggy MPTCP option len computation in some\ncircumstances: the ADD_ADDR option should be mutually exclusive\nwith DSS since the blamed commit.\n\nStill, mptcp_established_options_add_addr() tries to set the\nrelevant info in mptcp_out_options, if \n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: corrige el desbordamiento de opciones TCP. Syzbot informó el siguiente splat: Oops: error de protección general, probablemente para la dirección no canónica 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref en el rango [0x000000000000008-0x000000000000000f] CPU: 1 UID: 0 PID: 5836 Comm: sshd No contaminado 6.13.0-rc3-syzkaller #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 25/11/2024 RIP: 0010:_compound_head include/linux/page-flags.h:242 [en línea] RIP: 0010:put_page+0x23/0x260 include/linux/mm.h:1552 Código: 90 90 90 90 90 90 90 55 41 57 41 56 53 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 f8 5e 12 f8 49 8d 5e 08 48 89 d8 48 c1 e8 03 &lt;80&gt; 3c 28 00 74 08 48 89 df e8 8f c7 78 f8 48 8b 1b 48 89 de 48 83 RSP: 0000:ffffc90003916c90 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 00000000000000008 RCX: ffff888030458000 RDX: 00000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff898ca81d R09: 1ffff110054414ac R10: dffffc0000000000 R11: ffffed10054414ad R12: 0000000000000007 R13: ffff88802a20a542 R14: 0000000000000000 R15: 00000000000000000 FS: 00007f34f496e800(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9d6ec9ec28 CR3: 000000004d260000 CR4: 00000000003526f0 DR0: 000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Seguimiento de llamadas:  skb_page_unref include/linux/skbuff_ref.h:43 [inline] __skb_frag_unref include/linux/skbuff_ref.h:56 [inline] skb_release_data+0x483/0x8a0 net/core/skbuff.c:1119 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb+0x55/0x70 net/core/skbuff.c:1204 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3436 [inline] tcp_ack+0x2442/0x6bc0 net/ipv4/tcp_input.c:4032 tcp_rcv_state_process+0x8eb/0x44e0 net/ipv4/tcp_input.c:6805 tcp_v4_do_rcv+0x77d/0xc70 net/ipv4/tcp_ipv4.c:1939 tcp_v4_rcv+0x2dc0/0x37f0 net/ipv4/tcp_ipv4.c:2351 ip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 __netif_receive_skb_one_core net/core/dev.c:5672 [inline] __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5785 process_backlog+0x662/0x15b0 net/core/dev.c:6117 __napi_poll+0xcb/0x490 net/core/dev.c:6883 napi_poll net/core/dev.c:6952 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:7074 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7f34f4519ad5 Code: 85 d2 74 0d 0f 10 02 48 8d 54 24 20 0f 11 44 24 20 64 8b 04 25 18 00 00 00 85 c0 75 27 41 b8 08 00 00 00 b8 0f 01 00 00 0f 05 &lt;48&gt; 3d 00 f0 ff ff 76 75 48 8b 15 24 73 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffec5b32ce0 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 00000000000668a0 RCX: 00007f34f4519ad5 RDX: 00007ffec5b32d00 RSI: 0000000000000004 RDI: 0000564f4bc6cae0 RBP: 0000564f4bc6b5a0 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffec5b32de8 R11: 0000000000000246 R12: 0000564f48ea8aa4 R13: 0000000000000001 R14: 0000564f48ea93e8 R15: 00007ffec5b32d68  Eric notó una probable corrupción de shinfo-&gt;nr_frags, que de hecho ocurre. La causa raíz es un cálculo defectuoso de la longitud de la opción MPTCP en algunas circunstancias: la opción ADD_ADDR debería ser mutuamente excluyente con DSS desde la confirmación culpable. Aún así, mptcp_established_options_add_addr() intenta establecer la información ---truncado---"
    }
  ],
  "lastModified": "2026-08-04T11:22:29.647",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "81879DFE-D2AE-4F87-B30D-59A41C999B41",
              "versionEndExcluding": "6.1.124",
              "versionStartIncluding": "5.15"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "51E6CFF2-92AA-4936-95AB-2D068168A696",
              "versionEndExcluding": "6.6.70",
              "versionStartIncluding": "6.2"
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