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CVE-2025-22085

Estado: AnalizadaAlta (7.8)—

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

RDMA/core: Fix use-after-free when rename device name

Syzbot reported a slab-use-after-free with the following call trace:

Detalles técnicos trazas, registros y código del informe original
==================================================================
BUG: KASAN: slab-use-after-free in nla_put+0xd3/0x150 lib/nlattr.c:1099
Read of size 5 at addr ffff888140ea1c60 by task syz.0.988/10025

CPU: 0 UID: 0 PID: 10025 Comm: syz.0.988
Not tainted 6.14.0-rc4-syzkaller-00859-gf77f12010f67 #0
Hardware name: Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0x16e/0x5b0 mm/kasan/report.c:521
 kasan_report+0x143/0x180 mm/kasan/report.c:634
 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105
 nla_put+0xd3/0x150 lib/nlattr.c:1099
 nla_put_string include/net/netlink.h:1621 [inline]
 fill_nldev_handle+0x16e/0x200 drivers/infiniband/core/nldev.c:265
 rdma_nl_notify_event+0x561/0xef0 drivers/infiniband/core/nldev.c:2857
 ib_device_notify_register+0x22/0x230 drivers/infiniband/core/device.c:1344
 ib_register_device+0x1292/0x1460 drivers/infiniband/core/device.c:1460
 rxe_register_device+0x233/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1540
 rxe_net_add+0x74/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:550
 rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:212
 nldev_newlink+0x5ea/0x680 drivers/infiniband/core/nldev.c:1795
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x8de/0xcb0 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:709 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:724
 ____sys_sendmsg+0x53a/0x860 net/socket.c:2564
 ___sys_sendmsg net/socket.c:2618 [inline]
 __sys_sendmsg+0x269/0x350 net/socket.c:2650
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f42d1b8d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 ...
RSP: 002b:00007f42d2960038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f42d1da6320 RCX: 00007f42d1b8d169
RDX: 0000000000000000 RSI: 00004000000002c0 RDI: 000000000000000c
RBP: 00007f42d1c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f42d1da6320 R15: 00007ffe399344a8
 </TASK>

Allocated by task 10025:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4294 [inline]
 __kmalloc_node_track_caller_noprof+0x28b/0x4c0 mm/slub.c:4313
 __kmemdup_nul mm/util.c:61 [inline]
 kstrdup+0x42/0x100 mm/util.c:81
 kobject_set_name_vargs+0x61/0x120 lib/kobject.c:274
 dev_set_name+0xd5/0x120 drivers/base/core.c:3468
 assign_name drivers/infiniband/core/device.c:1202 [inline]
 ib_register_device+0x178/0x1460 drivers/infiniband/core/device.c:1384
 rxe_register_device+0x233/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1540
 rxe_net_add+0x74/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:550
 rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:212
 nldev_newlink+0x5ea/0x680 drivers/infiniband/core/nldev.c:1795
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x8de/0xcb0 net
---truncated---

CVSS

Probabilidad de explotación (EPSS)

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vulnerabilidad local (AV:L/PR:L) sin interacción que causa use-after-free (CWE-416) en renombrado de dispositivos RDMA, permitiendo DoS por crash de kernel.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-22085",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-22085",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-21T14:57:43.878838Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "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": "9cbed5aab5aeea420d0aa945733bf608449d44fb",
              "lessThan": "0d6460b9d2a3ee380940bdf47680751ef91cb88e",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "9cbed5aab5aeea420d0aa945733bf608449d44fb",
              "lessThan": "56ec8580be5174b2b9774066e60f1aad56d201db",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "9cbed5aab5aeea420d0aa945733bf608449d44fb",
              "lessThan": "edf6b543e81ba68c6dbac2499ab362098a5a9716",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "9cbed5aab5aeea420d0aa945733bf608449d44fb",
              "lessThan": "1d6a9e7449e2a0c1e2934eee7880ba8bd1e464cd",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/infiniband/core/device.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.12",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.12.23",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.13.11",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "status": "unaffected",
              "version": "6.14.2",
              "versionType": "semver",
              "lessThanOrEqual": "6.14.*"
            },
            {
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/infiniband/core/device.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-04-16T15:16:02.700",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0d6460b9d2a3ee380940bdf47680751ef91cb88e",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1d6a9e7449e2a0c1e2934eee7880ba8bd1e464cd",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/56ec8580be5174b2b9774066e60f1aad56d201db",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/edf6b543e81ba68c6dbac2499ab362098a5a9716",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Fix use-after-free when rename device name\n\nSyzbot reported a slab-use-after-free with the following call trace:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in nla_put+0xd3/0x150 lib/nlattr.c:1099\nRead of size 5 at addr ffff888140ea1c60 by task syz.0.988/10025\n\nCPU: 0 UID: 0 PID: 10025 Comm: syz.0.988\nNot tainted 6.14.0-rc4-syzkaller-00859-gf77f12010f67 #0\nHardware name: Google Compute Engine, BIOS Google 02/12/2025\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:408 [inline]\n print_report+0x16e/0x5b0 mm/kasan/report.c:521\n kasan_report+0x143/0x180 mm/kasan/report.c:634\n kasan_check_range+0x282/0x290 mm/kasan/generic.c:189\n __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105\n nla_put+0xd3/0x150 lib/nlattr.c:1099\n nla_put_string include/net/netlink.h:1621 [inline]\n fill_nldev_handle+0x16e/0x200 drivers/infiniband/core/nldev.c:265\n rdma_nl_notify_event+0x561/0xef0 drivers/infiniband/core/nldev.c:2857\n ib_device_notify_register+0x22/0x230 drivers/infiniband/core/device.c:1344\n ib_register_device+0x1292/0x1460 drivers/infiniband/core/device.c:1460\n rxe_register_device+0x233/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1540\n rxe_net_add+0x74/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:550\n rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:212\n nldev_newlink+0x5ea/0x680 drivers/infiniband/core/nldev.c:1795\n rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]\n rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259\n netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]\n netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1339\n netlink_sendmsg+0x8de/0xcb0 net/netlink/af_netlink.c:1883\n sock_sendmsg_nosec net/socket.c:709 [inline]\n __sock_sendmsg+0x221/0x270 net/socket.c:724\n ____sys_sendmsg+0x53a/0x860 net/socket.c:2564\n ___sys_sendmsg net/socket.c:2618 [inline]\n __sys_sendmsg+0x269/0x350 net/socket.c:2650\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f42d1b8d169\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 ...\nRSP: 002b:00007f42d2960038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007f42d1da6320 RCX: 00007f42d1b8d169\nRDX: 0000000000000000 RSI: 00004000000002c0 RDI: 000000000000000c\nRBP: 00007f42d1c0e2a0 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 0000000000000000 R14: 00007f42d1da6320 R15: 00007ffe399344a8\n </TASK>\n\nAllocated by task 10025:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n poison_kmalloc_redzone mm/kasan/common.c:377 [inline]\n __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394\n kasan_kmalloc include/linux/kasan.h:260 [inline]\n __do_kmalloc_node mm/slub.c:4294 [inline]\n __kmalloc_node_track_caller_noprof+0x28b/0x4c0 mm/slub.c:4313\n __kmemdup_nul mm/util.c:61 [inline]\n kstrdup+0x42/0x100 mm/util.c:81\n kobject_set_name_vargs+0x61/0x120 lib/kobject.c:274\n dev_set_name+0xd5/0x120 drivers/base/core.c:3468\n assign_name drivers/infiniband/core/device.c:1202 [inline]\n ib_register_device+0x178/0x1460 drivers/infiniband/core/device.c:1384\n rxe_register_device+0x233/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1540\n rxe_net_add+0x74/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:550\n rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:212\n nldev_newlink+0x5ea/0x680 drivers/infiniband/core/nldev.c:1795\n rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]\n rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259\n netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]\n netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1339\n netlink_sendmsg+0x8de/0xcb0 net\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/core: Se corrige el use-after-free al cambiar el nombre del dispositivo Syzbot informó un slab-use-after-free con el siguiente seguimiento de llamada: ======================================================================= ERROR: KASAN: slab-use-after-free in nla_put+0xd3/0x150 lib/nlattr.c:1099 Read of size 5 at addr ffff888140ea1c60 by task syz.0.988/10025 CPU: 0 UID: 0 PID: 10025 Comm: syz.0.988 Not tainted 6.14.0-rc4-syzkaller-00859-gf77f12010f67 #0 Hardware name: Google Compute Engine, BIOS Google 02/12/2025 Call Trace:  __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0x16e/0x5b0 mm/kasan/report.c:521 kasan_report+0x143/0x180 mm/kasan/report.c:634 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105 nla_put+0xd3/0x150 lib/nlattr.c:1099 nla_put_string include/net/netlink.h:1621 [inline] fill_nldev_handle+0x16e/0x200 drivers/infiniband/core/nldev.c:265 rdma_nl_notify_event+0x561/0xef0 drivers/infiniband/core/nldev.c:2857 ib_device_notify_register+0x22/0x230 drivers/infiniband/core/device.c:1344 ib_register_device+0x1292/0x1460 drivers/infiniband/core/device.c:1460 rxe_register_device+0x233/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1540 rxe_net_add+0x74/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:550 rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:212 nldev_newlink+0x5ea/0x680 drivers/infiniband/core/nldev.c:1795 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x8de/0xcb0 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:709 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:724 ____sys_sendmsg+0x53a/0x860 net/socket.c:2564 ___sys_sendmsg net/socket.c:2618 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2650 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f42d1b8d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 ... RSP: 002b:00007f42d2960038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f42d1da6320 RCX: 00007f42d1b8d169 RDX: 0000000000000000 RSI: 00004000000002c0 RDI: 000000000000000c RBP: 00007f42d1c0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f42d1da6320 R15: 00007ffe399344a8  Allocated by task 10025: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4294 [inline] __kmalloc_node_track_caller_noprof+0x28b/0x4c0 mm/slub.c:4313 __kmemdup_nul mm/util.c:61 [inline] kstrdup+0x42/0x100 mm/util.c:81 kobject_set_name_vargs+0x61/0x120 lib/kobject.c:274 dev_set_name+0xd5/0x120 drivers/base/core.c:3468 assign_name drivers/infiniband/core/device.c:1202 [inline] ib_register_device+0x178/0x1460 drivers/infiniband/core/device.c:1384 rxe_register_device+0x233/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:1540 rxe_net_add+0x74/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:550 rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:212 nldev_newlink+0x5ea/0x680 drivers/infiniband/core/nldev.c:1795 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x8de/0xcb0 net ---truncado---"
    }
  ],
  "lastModified": "2026-06-17T08:45:00.790",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "442B00D1-26AD-4DD9-B74A-E818807D3E2B",
              "versionEndExcluding": "6.12.23",
              "versionStartIncluding": "6.12"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E7E864B0-8C00-4679-BA55-659B4C9C3AD3",
              "versionEndExcluding": "6.13.11",
              "versionStartIncluding": "6.13"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FADAE5D8-4808-442C-B218-77B2CE8780A0",
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}