FKIE_CVE-2025-71091

Vulnerability from fkie_nvd - Published: 2026-01-13 16:16 - Updated: 2026-03-25 18:03
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: team: fix check for port enabled in team_queue_override_port_prio_changed() There has been a syzkaller bug reported recently with the following trace: list_del corruption, ffff888058bea080->prev is LIST_POISON2 (dead000000000122) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:59! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 3 UID: 0 PID: 21246 Comm: syz.0.2928 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__list_del_entry_valid_or_report+0x13e/0x200 lib/list_debug.c:59 Code: 48 c7 c7 e0 71 f0 8b e8 30 08 ef fc 90 0f 0b 48 89 ef e8 a5 02 55 fd 48 89 ea 48 89 de 48 c7 c7 40 72 f0 8b e8 13 08 ef fc 90 <0f> 0b 48 89 ef e8 88 02 55 fd 48 89 ea 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc9000d49f370 EFLAGS: 00010286 RAX: 000000000000004e RBX: ffff888058bea080 RCX: ffffc9002817d000 RDX: 0000000000000000 RSI: ffffffff819becc6 RDI: 0000000000000005 RBP: dead000000000122 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff888039e9c230 R13: ffff888058bea088 R14: ffff888058bea080 R15: ffff888055461480 FS: 00007fbbcfe6f6c0(0000) GS:ffff8880d6d0a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3afcb0 CR3: 00000000382c7000 CR4: 0000000000352ef0 Call Trace: <TASK> __list_del_entry_valid include/linux/list.h:132 [inline] __list_del_entry include/linux/list.h:223 [inline] list_del_rcu include/linux/rculist.h:178 [inline] __team_queue_override_port_del drivers/net/team/team_core.c:826 [inline] __team_queue_override_port_del drivers/net/team/team_core.c:821 [inline] team_queue_override_port_prio_changed drivers/net/team/team_core.c:883 [inline] team_priority_option_set+0x171/0x2f0 drivers/net/team/team_core.c:1534 team_option_set drivers/net/team/team_core.c:376 [inline] team_nl_options_set_doit+0x8ae/0xe60 drivers/net/team/team_core.c:2653 genl_family_rcv_msg_doit+0x209/0x2f0 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0xa98/0xc70 net/socket.c:2630 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2684 __sys_sendmsg+0x16d/0x220 net/socket.c:2716 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f The problem is in this flow: 1) Port is enabled, queue_id != 0, in qom_list 2) Port gets disabled -> team_port_disable() -> team_queue_override_port_del() -> del (removed from list) 3) Port is disabled, queue_id != 0, not in any list 4) Priority changes -> team_queue_override_port_prio_changed() -> checks: port disabled && queue_id != 0 -> calls del - hits the BUG as it is removed already To fix this, change the check in team_queue_override_port_prio_changed() so it returns early if port is not enabled.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/107d245f84cb4f55f597d31eda34b42a2b7d6952Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/25029e813c4aae5fcf7118e8dd5c56e382b9a1a3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/53a727a8bfd78c739e130a781192d0f6f8e03d39Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6bfb62b6010a16112dcae52f490e5e0e6abe12a3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/932ac51d9953eaf77a1252f79b656d4ca86163c6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b71187648ef2349254673d0523fdf96d1fe3d758Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f820e438b8ec2a8354e70e75145f05fe45500d97Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 3.11
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
To clipboard 

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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nteam: fix check for port enabled in team_queue_override_port_prio_changed()\n\nThere has been a syzkaller bug reported recently with the following\ntrace:\n\nlist_del corruption, ffff888058bea080-\u003eprev is LIST_POISON2 (dead000000000122)\n------------[ cut here ]------------\nkernel BUG at lib/list_debug.c:59!\nOops: invalid opcode: 0000 [#1] SMP KASAN NOPTI\nCPU: 3 UID: 0 PID: 21246 Comm: syz.0.2928 Not tainted syzkaller #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nRIP: 0010:__list_del_entry_valid_or_report+0x13e/0x200 lib/list_debug.c:59\nCode: 48 c7 c7 e0 71 f0 8b e8 30 08 ef fc 90 0f 0b 48 89 ef e8 a5 02 55 fd 48 89 ea 48 89 de 48 c7 c7 40 72 f0 8b e8 13 08 ef fc 90 \u003c0f\u003e 0b 48 89 ef e8 88 02 55 fd 48 89 ea 48 b8 00 00 00 00 00 fc ff\nRSP: 0018:ffffc9000d49f370 EFLAGS: 00010286\nRAX: 000000000000004e RBX: ffff888058bea080 RCX: ffffc9002817d000\nRDX: 0000000000000000 RSI: ffffffff819becc6 RDI: 0000000000000005\nRBP: dead000000000122 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000080000000 R11: 0000000000000001 R12: ffff888039e9c230\nR13: ffff888058bea088 R14: ffff888058bea080 R15: ffff888055461480\nFS:  00007fbbcfe6f6c0(0000) GS:ffff8880d6d0a000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000110c3afcb0 CR3: 00000000382c7000 CR4: 0000000000352ef0\nCall Trace:\n \u003cTASK\u003e\n __list_del_entry_valid include/linux/list.h:132 [inline]\n __list_del_entry include/linux/list.h:223 [inline]\n list_del_rcu include/linux/rculist.h:178 [inline]\n __team_queue_override_port_del drivers/net/team/team_core.c:826 [inline]\n __team_queue_override_port_del drivers/net/team/team_core.c:821 [inline]\n team_queue_override_port_prio_changed drivers/net/team/team_core.c:883 [inline]\n team_priority_option_set+0x171/0x2f0 drivers/net/team/team_core.c:1534\n team_option_set drivers/net/team/team_core.c:376 [inline]\n team_nl_options_set_doit+0x8ae/0xe60 drivers/net/team/team_core.c:2653\n genl_family_rcv_msg_doit+0x209/0x2f0 net/netlink/genetlink.c:1115\n genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]\n genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1210\n netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552\n genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219\n netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]\n netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346\n netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n ____sys_sendmsg+0xa98/0xc70 net/socket.c:2630\n ___sys_sendmsg+0x134/0x1d0 net/socket.c:2684\n __sys_sendmsg+0x16d/0x220 net/socket.c:2716\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nThe problem is in this flow:\n1) Port is enabled, queue_id != 0, in qom_list\n2) Port gets disabled\n        -\u003e team_port_disable()\n        -\u003e team_queue_override_port_del()\n        -\u003e del (removed from list)\n3) Port is disabled, queue_id != 0, not in any list\n4) Priority changes\n        -\u003e team_queue_override_port_prio_changed()\n        -\u003e checks: port disabled \u0026\u0026 queue_id != 0\n        -\u003e calls del - hits the BUG as it is removed already\n\nTo fix this, change the check in team_queue_override_port_prio_changed()\nso it returns early if port is not enabled."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nteam: corregir la verificaci\u00f3n de puerto habilitado en team_queue_override_port_prio_changed()\n\nSe ha reportado recientemente un error de syzkaller con la siguiente traza:\n\nlist_del corruption, ffff888058bea080-\u0026gt;prev es LIST_POISON2 (dead000000000122)\n------------[ cortar aqu\u00ed ]------------\nERROR del kernel en lib/list_debug.c:59!\nOops: c\u00f3digo de operaci\u00f3n inv\u00e1lido: 0000 [#1] SMP KASAN NOPTI\nCPU: 3 UID: 0 PID: 21246 Comm: syz.0.2928 No contaminado syzkaller #0 PREEMPT(full)\nNombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nRIP: 0010:__list_del_entry_valid_or_report+0x13e/0x200 lib/list_debug.c:59\nCode: 48 c7 c7 e0 71 f0 8b e8 30 08 ef fc 90 0f 0b 48 89 ef e8 a5 02 55 fd 48 89 ea 48 89 de 48 c7 c7 40 72 f0 8b e8 13 08 ef fc 90 \u0026lt;0f\u0026gt; 0b 48 89 ef e8 88 02 55 fd 48 89 ea 48 b8 00 00 00 00 00 fc ff\nRSP: 0018:ffffc9000d49f370 EFLAGS: 00010286\nRAX: 000000000000004e RBX: ffff888058bea080 RCX: ffffc9002817d000\nRDX: 0000000000000000 RSI: ffffffff819becc6 RDI: 0000000000000005\nRBP: dead000000000122 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000080000000 R11: 0000000000000001 R12: ffff888039e9c230\nR13: ffff888058bea088 R14: ffff888058bea080 R15: ffff888055461480\nFS:  00007fbbcfe6f6c0(0000) GS:ffff8880d6d0a000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000110c3afcb0 CR3: 00000000382c7000 CR4: 0000000000352ef0\nTraza de llamadas:\n \n __list_del_entry_valid include/linux/list.h:132 [inline]\n __list_del_entry include/linux/list.h:223 [inline]\n list_del_rcu include/linux/rculist.h:178 [inline]\n __team_queue_override_port_del drivers/net/team/team_core.c:826 [inline]\n __team_queue_override_port_del drivers/net/team/team_core.c:821 [inline]\n team_queue_override_port_prio_changed drivers/net/team/team_core.c:883 [inline]\n team_priority_option_set+0x171/0x2f0 drivers/net/team/team_core.c:1534\n team_option_set drivers/net/team/team_core.c:376 [inline]\n team_nl_options_set_doit+0x8ae/0xe60 drivers/net/team/team_core.c:2653\n genl_family_rcv_msg_doit+0x209/0x2f0 net/netlink/genetlink.c:1115\n genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]\n genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1210\n netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552\n genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219\n netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]\n netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346\n netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896\n sock_sendmsg_nosec net/socket.c:727 [inline]\n __sock_sendmsg net/socket.c:742 [inline]\n ____sys_sendmsg+0xa98/0xc70 net/socket.c:2630\n ___sys_sendmsg+0x134/0x1d0 net/socket.c:2684\n __sys_sendmsg+0x16d/0x220 net/socket.c:2716\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nEl problema est\u00e1 en este flujo:\n1) El puerto est\u00e1 habilitado, queue_id != 0, en qom_list\n2) El puerto se deshabilita\n        -\u0026gt; team_port_disable()\n        -\u0026gt; team_queue_override_port_del()\n        -\u0026gt; del (eliminado de la lista)\n3) El puerto est\u00e1 deshabilitado, queue_id != 0, no est\u00e1 en ninguna lista\n4) La prioridad cambia\n        -\u0026gt; team_queue_override_port_prio_changed()\n        -\u0026gt; verifica: puerto deshabilitado \u0026amp;\u0026amp; queue_id != 0\n        -\u0026gt; llama a del - encuentra el ERROR ya que ya ha sido eliminado\n\nPara solucionar esto, cambie la verificaci\u00f3n en team_queue_override_port_prio_changed() para que retorne anticipadamente si el puerto no est\u00e1 habilitado."
    }
  ],
  "id": "CVE-2025-71091",
  "lastModified": "2026-03-25T18:03:23.350",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-01-13T16:16:08.810",
  "references": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
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}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.