CVE-2025-38020

{
  "id": "CVE-2025-38020",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "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"
        },
        "impactScore": 3.6,
        "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": "8ff0ac5be1446920d71bdce5547f0d8476e280ff",
              "lessThan": "1e577aeb51e9deba4f2c10edfcb07cb3cb406598",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "8ff0ac5be1446920d71bdce5547f0d8476e280ff",
              "lessThan": "b48a47e137cedfd79655accaeeea6b296ad0b9e1",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "8ff0ac5be1446920d71bdce5547f0d8476e280ff",
              "lessThan": "1f80e6ff026041721d8089da8c269b1963628325",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "8ff0ac5be1446920d71bdce5547f0d8476e280ff",
              "lessThan": "1a69d53922c1221351739f17837d38e317234e5d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "8ff0ac5be1446920d71bdce5547f0d8476e280ff",
              "lessThan": "588431474eb7572e57a927fa8558c9ba2f8af143",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/en_main.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": "6.1.140",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.92",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.30",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.14.8",
              "versionType": "semver",
              "lessThanOrEqual": "6.14.*"
            },
            {
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/en_main.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-06-18T10:15:33.700",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1a69d53922c1221351739f17837d38e317234e5d",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1e577aeb51e9deba4f2c10edfcb07cb3cb406598",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1f80e6ff026041721d8089da8c269b1963628325",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/588431474eb7572e57a927fa8558c9ba2f8af143",
      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b48a47e137cedfd79655accaeeea6b296ad0b9e1",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "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\nnet/mlx5e: Disable MACsec offload for uplink representor profile\n\nMACsec offload is not supported in switchdev mode for uplink\nrepresentors. When switching to the uplink representor profile, the\nMACsec offload feature must be cleared from the netdevice's features.\n\nIf left enabled, attempts to add offloads result in a null pointer\ndereference, as the uplink representor does not support MACsec offload\neven though the feature bit remains set.\n\nClear NETIF_F_HW_MACSEC in mlx5e_fix_uplink_rep_features().\n\nKernel log:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc000000000f: 0000 [#1] SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000078-0x000000000000007f]\nCPU: 29 UID: 0 PID: 4714 Comm: ip Not tainted 6.14.0-rc4_for_upstream_debug_2025_03_02_17_35 #1\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nRIP: 0010:__mutex_lock+0x128/0x1dd0\nCode: d0 7c 08 84 d2 0f 85 ad 15 00 00 8b 35 91 5c fe 03 85 f6 75 29 49 8d 7e 60 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a6 15 00 00 4d 3b 76 60 0f 85 fd 0b 00 00 65 ff\nRSP: 0018:ffff888147a4f160 EFLAGS: 00010206\nRAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001\nRDX: 000000000000000f RSI: 0000000000000000 RDI: 0000000000000078\nRBP: ffff888147a4f2e0 R08: ffffffffa05d2c19 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000\nR13: dffffc0000000000 R14: 0000000000000018 R15: ffff888152de0000\nFS:  00007f855e27d800(0000) GS:ffff88881ee80000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000004e5768 CR3: 000000013ae7c005 CR4: 0000000000372eb0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n ? die_addr+0x3d/0xa0\n ? exc_general_protection+0x144/0x220\n ? asm_exc_general_protection+0x22/0x30\n ? mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core]\n ? __mutex_lock+0x128/0x1dd0\n ? lockdep_set_lock_cmp_fn+0x190/0x190\n ? mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core]\n ? mutex_lock_io_nested+0x1ae0/0x1ae0\n ? lock_acquire+0x1c2/0x530\n ? macsec_upd_offload+0x145/0x380\n ? lockdep_hardirqs_on_prepare+0x400/0x400\n ? kasan_save_stack+0x30/0x40\n ? kasan_save_stack+0x20/0x40\n ? kasan_save_track+0x10/0x30\n ? __kasan_kmalloc+0x77/0x90\n ? __kmalloc_noprof+0x249/0x6b0\n ? genl_family_rcv_msg_attrs_parse.constprop.0+0xb5/0x240\n ? mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core]\n mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core]\n ? mlx5e_macsec_add_rxsa+0x11a0/0x11a0 [mlx5_core]\n macsec_update_offload+0x26c/0x820\n ? macsec_set_mac_address+0x4b0/0x4b0\n ? lockdep_hardirqs_on_prepare+0x284/0x400\n ? _raw_spin_unlock_irqrestore+0x47/0x50\n macsec_upd_offload+0x2c8/0x380\n ? macsec_update_offload+0x820/0x820\n ? __nla_parse+0x22/0x30\n ? genl_family_rcv_msg_attrs_parse.constprop.0+0x15e/0x240\n genl_family_rcv_msg_doit+0x1cc/0x2a0\n ? genl_family_rcv_msg_attrs_parse.constprop.0+0x240/0x240\n ? cap_capable+0xd4/0x330\n genl_rcv_msg+0x3ea/0x670\n ? genl_family_rcv_msg_dumpit+0x2a0/0x2a0\n ? lockdep_set_lock_cmp_fn+0x190/0x190\n ? macsec_update_offload+0x820/0x820\n netlink_rcv_skb+0x12b/0x390\n ? genl_family_rcv_msg_dumpit+0x2a0/0x2a0\n ? netlink_ack+0xd80/0xd80\n ? rwsem_down_read_slowpath+0xf90/0xf90\n ? netlink_deliver_tap+0xcd/0xac0\n ? netlink_deliver_tap+0x155/0xac0\n ? _copy_from_iter+0x1bb/0x12c0\n genl_rcv+0x24/0x40\n netlink_unicast+0x440/0x700\n ? netlink_attachskb+0x760/0x760\n ? lock_acquire+0x1c2/0x530\n ? __might_fault+0xbb/0x170\n netlink_sendmsg+0x749/0xc10\n ? netlink_unicast+0x700/0x700\n ? __might_fault+0xbb/0x170\n ? netlink_unicast+0x700/0x700\n __sock_sendmsg+0xc5/0x190\n ____sys_sendmsg+0x53f/0x760\n ? import_iovec+0x7/0x10\n ? kernel_sendmsg+0x30/0x30\n ? __copy_msghdr+0x3c0/0x3c0\n ? filter_irq_stacks+0x90/0x90\n ? stack_depot_save_flags+0x28/0xa30\n ___sys_sen\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5e: Deshabilitar la descarga de MACsec para el perfil de representante de enlace ascendente. La descarga de MACsec no es compatible con el modo switchdev para los representantes de enlace ascendente. Al cambiar al perfil de representante de enlace ascendente, se debe desactivar la función de descarga de MACsec de las características del dispositivo de red. Si se deja activada, los intentos de agregar descargas resultan en una desreferencia de puntero nulo, ya que el representante de enlace ascendente no admite la descarga de MACsec, aunque el bit de característica permanezca activado. Desactive NETIF_F_HW_MACSEC en mlx5e_fix_uplink_rep_features(). Registro del núcleo: Ups: fallo de protección general, probablemente para dirección no canónica 0xdffffc000000000f: 0000 [#1] SMP KASAN KASAN: null-ptr-deref en el rango [0x000000000000078-0x000000000000007f] CPU: 29 UID: 0 PID: 4714 Comm: ip No contaminado 6.14.0-rc4_for_upstream_debug_2025_03_02_17_35 #1 Nombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 RIP: 0010:__mutex_lock+0x128/0x1dd0 Código: d0 7c 08 84 d2 0f 85 ad 15 00 00 8b 35 91 5c fe 03 85 f6 75 29 49 8d 7e 60 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 &lt;80&gt; 3c 02 00 0f 85 a6 15 00 00 4d 3b 76 60 0f 85 fd 0b 00 00 65 ff RSP: 0018:ffff888147a4f160 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 000000000000000f RSI: 000000000000000000 RDI: 0000000000000078 RBP: ffff888147a4f2e0 R08: fffffffffa05d2c19 R09: 0000000000000000 R10: 0000000000000001 R11: 00000000000000000 R12: 00000000000000000 R13: dffffc0000000000 R14: 0000000000000018 R15: ffff888152de0000 FS: 00007f855e27d800(0000) GS:ffff88881ee80000(0000) knlGS:000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e5768 CR3: 000000013ae7c005 CR4: 0000000000372eb0 DR0: 000000000000000 DR1: 00000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400 Rastreo de llamadas:   ? die_addr+0x3d/0xa0 ? exc_general_protection+0x144/0x220 ? asm_exc_general_protection+0x22/0x30 ? mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core] ? __mutex_lock+0x128/0x1dd0 ? lockdep_set_lock_cmp_fn+0x190/0x190 ? mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core] ? mutex_lock_io_nested+0x1ae0/0x1ae0 ? lock_acquire+0x1c2/0x530 ? macsec_upd_offload+0x145/0x380 ? lockdep_hardirqs_on_prepare+0x400/0x400 ? kasan_save_stack+0x30/0x40 ? kasan_save_stack+0x20/0x40 ? kasan_save_track+0x10/0x30 ? __kasan_kmalloc+0x77/0x90 ? __kmalloc_noprof+0x249/0x6b0 ? genl_family_rcv_msg_attrs_parse.constprop.0+0xb5/0x240 ? mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core] mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core] ? mlx5e_macsec_add_rxsa+0x11a0/0x11a0 [mlx5_core] macsec_update_offload+0x26c/0x820 ? macsec_set_mac_address+0x4b0/0x4b0 ? lockdep_hardirqs_on_prepare+0x284/0x400 ? _raw_spin_unlock_irqrestore+0x47/0x50 macsec_upd_offload+0x2c8/0x380 ? macsec_update_offload+0x820/0x820 ? __nla_parse+0x22/0x30 ? genl_family_rcv_msg_attrs_parse.constprop.0+0x15e/0x240 genl_family_rcv_msg_doit+0x1cc/0x2a0 ? genl_family_rcv_msg_attrs_parse.constprop.0+0x240/0x240 ? cap_capable+0xd4/0x330 genl_rcv_msg+0x3ea/0x670 ? genl_family_rcv_msg_dumpit+0x2a0/0x2a0 ? lockdep_set_lock_cmp_fn+0x190/0x190 ? macsec_update_offload+0x820/0x820 netlink_rcv_skb+0x12b/0x390 ? genl_family_rcv_msg_dumpit+0x2a0/0x2a0 ? netlink_ack+0xd80/0xd80 ? rwsem_down_read_slowpath+0xf90/0xf90 ? netlink_deliver_tap+0xcd/0xac0 ? netlink_deliver_tap+0x155/0xac0 ? _copy_from_iter+0x1bb/0x12c0 genl_rcv+0x24/0x40 netlink_unicast+0x440/0x700 ? netlink_attachskb+0x760/0x760 ? lock_acquire+0x1c2/0x530 ? __might_fault+0xbb/0x170 netlink_sendmsg+0x749/0xc10 ? netlink_unicast+0x700/0x700 ? __might_fault+0xbb/0x170 ? netlink_unicast+0x700/0x700 __sock_sendmsg+0xc5/0x190 ____sys_sendmsg+0x53f/0x760 ? import_iovec+0x7/0x10 ? kernel_sendmsg+0x30/0x30 ? __copy_msghdr+0x3c0/0x3c0 ? filter_irq_stacks ---truncado---"
    }
  ],
  "lastModified": "2026-06-17T09:15:53.727",
  "configurations": [
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}