{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-26782"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix double-free on socket dismantle\n\nwhen MPTCP server accepts an incoming connection, it clones its listener\nsocket. However, the pointer to \u0027inet_opt\u0027 for the new socket has the same\nvalue as the original one: as a consequence, on program exit it\u0027s possible\nto observe the following splat:\n\n  BUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0\n  Free of addr ffff888485950880 by task swapper/25/0\n\n  CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609\n  Hardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0  07/26/2013\n  Call Trace:\n   \u003cIRQ\u003e\n   dump_stack_lvl+0x32/0x50\n   print_report+0xca/0x620\n   kasan_report_invalid_free+0x64/0x90\n   __kasan_slab_free+0x1aa/0x1f0\n   kfree+0xed/0x2e0\n   inet_sock_destruct+0x54f/0x8b0\n   __sk_destruct+0x48/0x5b0\n   rcu_do_batch+0x34e/0xd90\n   rcu_core+0x559/0xac0\n   __do_softirq+0x183/0x5a4\n   irq_exit_rcu+0x12d/0x170\n   sysvec_apic_timer_interrupt+0x6b/0x80\n   \u003c/IRQ\u003e\n   \u003cTASK\u003e\n   asm_sysvec_apic_timer_interrupt+0x16/0x20\n  RIP: 0010:cpuidle_enter_state+0x175/0x300\n  Code: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed \u003c0f\u003e 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b\n  RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202\n  RAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000\n  RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588\n  RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080\n  R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0\n  R13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80\n   cpuidle_enter+0x4a/0xa0\n   do_idle+0x310/0x410\n   cpu_startup_entry+0x51/0x60\n   start_secondary+0x211/0x270\n   secondary_startup_64_no_verify+0x184/0x18b\n   \u003c/TASK\u003e\n\n  Allocated by task 6853:\n   kasan_save_stack+0x1c/0x40\n   kasan_save_track+0x10/0x30\n   __kasan_kmalloc+0xa6/0xb0\n   __kmalloc+0x1eb/0x450\n   cipso_v4_sock_setattr+0x96/0x360\n   netlbl_sock_setattr+0x132/0x1f0\n   selinux_netlbl_socket_post_create+0x6c/0x110\n   selinux_socket_post_create+0x37b/0x7f0\n   security_socket_post_create+0x63/0xb0\n   __sock_create+0x305/0x450\n   __sys_socket_create.part.23+0xbd/0x130\n   __sys_socket+0x37/0xb0\n   __x64_sys_socket+0x6f/0xb0\n   do_syscall_64+0x83/0x160\n   entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\n  Freed by task 6858:\n   kasan_save_stack+0x1c/0x40\n   kasan_save_track+0x10/0x30\n   kasan_save_free_info+0x3b/0x60\n   __kasan_slab_free+0x12c/0x1f0\n   kfree+0xed/0x2e0\n   inet_sock_destruct+0x54f/0x8b0\n   __sk_destruct+0x48/0x5b0\n   subflow_ulp_release+0x1f0/0x250\n   tcp_cleanup_ulp+0x6e/0x110\n   tcp_v4_destroy_sock+0x5a/0x3a0\n   inet_csk_destroy_sock+0x135/0x390\n   tcp_fin+0x416/0x5c0\n   tcp_data_queue+0x1bc8/0x4310\n   tcp_rcv_state_process+0x15a3/0x47b0\n   tcp_v4_do_rcv+0x2c1/0x990\n   tcp_v4_rcv+0x41fb/0x5ed0\n   ip_protocol_deliver_rcu+0x6d/0x9f0\n   ip_local_deliver_finish+0x278/0x360\n   ip_local_deliver+0x182/0x2c0\n   ip_rcv+0xb5/0x1c0\n   __netif_receive_skb_one_core+0x16e/0x1b0\n   process_backlog+0x1e3/0x650\n   __napi_poll+0xa6/0x500\n   net_rx_action+0x740/0xbb0\n   __do_softirq+0x183/0x5a4\n\n  The buggy address belongs to the object at ffff888485950880\n   which belongs to the cache kmalloc-64 of size 64\n  The buggy address is located 0 bytes inside of\n   64-byte region [ffff888485950880, ffff8884859508c0)\n\n  The buggy address belongs to the physical page:\n  page:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950\n  flags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)\n  page_type: 0xffffffff()\n  raw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006\n  raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000\n  page dumped because: kasan: bad access detected\n\n  Memory state around the buggy address:\n   ffff888485950780: fa fb fb\n---truncated---",
      "id": "GSD-2024-26782",
      "modified": "2024-02-20T06:02:29.154078Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2024-26782",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "cf7da0d66cc1",
                          "version_value": "f74362a00422"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "status": "affected",
                                "version": "5.6"
                              },
                              {
                                "lessThan": "5.6",
                                "status": "unaffected",
                                "version": "0",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.10.*",
                                "status": "unaffected",
                                "version": "5.10.212",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.15.*",
                                "status": "unaffected",
                                "version": "5.15.151",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "6.1.*",
                                "status": "unaffected",
                                "version": "6.1.81",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "6.6.*",
                                "status": "unaffected",
                                "version": "6.6.21",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "6.7.*",
                                "status": "unaffected",
                                "version": "6.7.9",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "6.8",
                                "versionType": "original_commit_for_fix"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Linux"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix double-free on socket dismantle\n\nwhen MPTCP server accepts an incoming connection, it clones its listener\nsocket. However, the pointer to \u0027inet_opt\u0027 for the new socket has the same\nvalue as the original one: as a consequence, on program exit it\u0027s possible\nto observe the following splat:\n\n  BUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0\n  Free of addr ffff888485950880 by task swapper/25/0\n\n  CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609\n  Hardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0  07/26/2013\n  Call Trace:\n   \u003cIRQ\u003e\n   dump_stack_lvl+0x32/0x50\n   print_report+0xca/0x620\n   kasan_report_invalid_free+0x64/0x90\n   __kasan_slab_free+0x1aa/0x1f0\n   kfree+0xed/0x2e0\n   inet_sock_destruct+0x54f/0x8b0\n   __sk_destruct+0x48/0x5b0\n   rcu_do_batch+0x34e/0xd90\n   rcu_core+0x559/0xac0\n   __do_softirq+0x183/0x5a4\n   irq_exit_rcu+0x12d/0x170\n   sysvec_apic_timer_interrupt+0x6b/0x80\n   \u003c/IRQ\u003e\n   \u003cTASK\u003e\n   asm_sysvec_apic_timer_interrupt+0x16/0x20\n  RIP: 0010:cpuidle_enter_state+0x175/0x300\n  Code: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed \u003c0f\u003e 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b\n  RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202\n  RAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000\n  RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588\n  RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080\n  R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0\n  R13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80\n   cpuidle_enter+0x4a/0xa0\n   do_idle+0x310/0x410\n   cpu_startup_entry+0x51/0x60\n   start_secondary+0x211/0x270\n   secondary_startup_64_no_verify+0x184/0x18b\n   \u003c/TASK\u003e\n\n  Allocated by task 6853:\n   kasan_save_stack+0x1c/0x40\n   kasan_save_track+0x10/0x30\n   __kasan_kmalloc+0xa6/0xb0\n   __kmalloc+0x1eb/0x450\n   cipso_v4_sock_setattr+0x96/0x360\n   netlbl_sock_setattr+0x132/0x1f0\n   selinux_netlbl_socket_post_create+0x6c/0x110\n   selinux_socket_post_create+0x37b/0x7f0\n   security_socket_post_create+0x63/0xb0\n   __sock_create+0x305/0x450\n   __sys_socket_create.part.23+0xbd/0x130\n   __sys_socket+0x37/0xb0\n   __x64_sys_socket+0x6f/0xb0\n   do_syscall_64+0x83/0x160\n   entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\n  Freed by task 6858:\n   kasan_save_stack+0x1c/0x40\n   kasan_save_track+0x10/0x30\n   kasan_save_free_info+0x3b/0x60\n   __kasan_slab_free+0x12c/0x1f0\n   kfree+0xed/0x2e0\n   inet_sock_destruct+0x54f/0x8b0\n   __sk_destruct+0x48/0x5b0\n   subflow_ulp_release+0x1f0/0x250\n   tcp_cleanup_ulp+0x6e/0x110\n   tcp_v4_destroy_sock+0x5a/0x3a0\n   inet_csk_destroy_sock+0x135/0x390\n   tcp_fin+0x416/0x5c0\n   tcp_data_queue+0x1bc8/0x4310\n   tcp_rcv_state_process+0x15a3/0x47b0\n   tcp_v4_do_rcv+0x2c1/0x990\n   tcp_v4_rcv+0x41fb/0x5ed0\n   ip_protocol_deliver_rcu+0x6d/0x9f0\n   ip_local_deliver_finish+0x278/0x360\n   ip_local_deliver+0x182/0x2c0\n   ip_rcv+0xb5/0x1c0\n   __netif_receive_skb_one_core+0x16e/0x1b0\n   process_backlog+0x1e3/0x650\n   __napi_poll+0xa6/0x500\n   net_rx_action+0x740/0xbb0\n   __do_softirq+0x183/0x5a4\n\n  The buggy address belongs to the object at ffff888485950880\n   which belongs to the cache kmalloc-64 of size 64\n  The buggy address is located 0 bytes inside of\n   64-byte region [ffff888485950880, ffff8884859508c0)\n\n  The buggy address belongs to the physical page:\n  page:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950\n  flags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)\n  page_type: 0xffffffff()\n  raw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006\n  raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000\n  page dumped because: kasan: bad access detected\n\n  Memory state around the buggy address:\n   ffff888485950780: fa fb fb\n---truncated---"
          }
        ]
      },
      "generator": {
        "engine": "bippy-e0c11145c45e"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/stable/c/f74362a004225df935863dea6eb7d82daaa5b16e",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/f74362a004225df935863dea6eb7d82daaa5b16e"
          },
          {
            "name": "https://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e"
          },
          {
            "name": "https://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85"
          },
          {
            "name": "https://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582"
          },
          {
            "name": "https://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc"
          },
          {
            "name": "https://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix double-free on socket dismantle\n\nwhen MPTCP server accepts an incoming connection, it clones its listener\nsocket. However, the pointer to \u0027inet_opt\u0027 for the new socket has the same\nvalue as the original one: as a consequence, on program exit it\u0027s possible\nto observe the following splat:\n\n  BUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0\n  Free of addr ffff888485950880 by task swapper/25/0\n\n  CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609\n  Hardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0  07/26/2013\n  Call Trace:\n   \u003cIRQ\u003e\n   dump_stack_lvl+0x32/0x50\n   print_report+0xca/0x620\n   kasan_report_invalid_free+0x64/0x90\n   __kasan_slab_free+0x1aa/0x1f0\n   kfree+0xed/0x2e0\n   inet_sock_destruct+0x54f/0x8b0\n   __sk_destruct+0x48/0x5b0\n   rcu_do_batch+0x34e/0xd90\n   rcu_core+0x559/0xac0\n   __do_softirq+0x183/0x5a4\n   irq_exit_rcu+0x12d/0x170\n   sysvec_apic_timer_interrupt+0x6b/0x80\n   \u003c/IRQ\u003e\n   \u003cTASK\u003e\n   asm_sysvec_apic_timer_interrupt+0x16/0x20\n  RIP: 0010:cpuidle_enter_state+0x175/0x300\n  Code: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed \u003c0f\u003e 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b\n  RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202\n  RAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000\n  RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588\n  RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080\n  R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0\n  R13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80\n   cpuidle_enter+0x4a/0xa0\n   do_idle+0x310/0x410\n   cpu_startup_entry+0x51/0x60\n   start_secondary+0x211/0x270\n   secondary_startup_64_no_verify+0x184/0x18b\n   \u003c/TASK\u003e\n\n  Allocated by task 6853:\n   kasan_save_stack+0x1c/0x40\n   kasan_save_track+0x10/0x30\n   __kasan_kmalloc+0xa6/0xb0\n   __kmalloc+0x1eb/0x450\n   cipso_v4_sock_setattr+0x96/0x360\n   netlbl_sock_setattr+0x132/0x1f0\n   selinux_netlbl_socket_post_create+0x6c/0x110\n   selinux_socket_post_create+0x37b/0x7f0\n   security_socket_post_create+0x63/0xb0\n   __sock_create+0x305/0x450\n   __sys_socket_create.part.23+0xbd/0x130\n   __sys_socket+0x37/0xb0\n   __x64_sys_socket+0x6f/0xb0\n   do_syscall_64+0x83/0x160\n   entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\n  Freed by task 6858:\n   kasan_save_stack+0x1c/0x40\n   kasan_save_track+0x10/0x30\n   kasan_save_free_info+0x3b/0x60\n   __kasan_slab_free+0x12c/0x1f0\n   kfree+0xed/0x2e0\n   inet_sock_destruct+0x54f/0x8b0\n   __sk_destruct+0x48/0x5b0\n   subflow_ulp_release+0x1f0/0x250\n   tcp_cleanup_ulp+0x6e/0x110\n   tcp_v4_destroy_sock+0x5a/0x3a0\n   inet_csk_destroy_sock+0x135/0x390\n   tcp_fin+0x416/0x5c0\n   tcp_data_queue+0x1bc8/0x4310\n   tcp_rcv_state_process+0x15a3/0x47b0\n   tcp_v4_do_rcv+0x2c1/0x990\n   tcp_v4_rcv+0x41fb/0x5ed0\n   ip_protocol_deliver_rcu+0x6d/0x9f0\n   ip_local_deliver_finish+0x278/0x360\n   ip_local_deliver+0x182/0x2c0\n   ip_rcv+0xb5/0x1c0\n   __netif_receive_skb_one_core+0x16e/0x1b0\n   process_backlog+0x1e3/0x650\n   __napi_poll+0xa6/0x500\n   net_rx_action+0x740/0xbb0\n   __do_softirq+0x183/0x5a4\n\n  The buggy address belongs to the object at ffff888485950880\n   which belongs to the cache kmalloc-64 of size 64\n  The buggy address is located 0 bytes inside of\n   64-byte region [ffff888485950880, ffff8884859508c0)\n\n  The buggy address belongs to the physical page:\n  page:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950\n  flags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)\n  page_type: 0xffffffff()\n  raw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006\n  raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000\n  page dumped because: kasan: bad access detected\n\n  Memory state around the buggy address:\n   ffff888485950780: fa fb fb\n---truncated---"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: corrige la doble liberaci\u00f3n al desmantelar el socket cuando el servidor MPTCP acepta una conexi\u00f3n entrante, clona su socket de escucha. Sin embargo, el puntero a \u0027inet_opt\u0027 para el nuevo socket tiene el mismo valor que el original: como consecuencia, al salir del programa es posible observar el siguiente s\u00edmbolo: ERROR: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0 Free de addr ffff888485950880 por task swapper/25/0 CPU: 25 PID: 0 Comm: swapper/25 Kdump: cargado No contaminado 6.8.0-rc1+ #609 Nombre de hardware: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF /iF, BIOS 3.0 26/07/2013 Seguimiento de llamadas:  dump_stack_lvl+0x32/0x50 print_report+0xca/0x620 kasan_report_invalid_free+0x64/0x90 __kasan_slab_free+0x1aa/0x1f0 kfree+0xed/0x2e0 inet_sock_destruct+0x 54f/0x8b0 __sk_destruct+0x48/ 0x5b0 rcu_do_batch+0x34e/0xd90 rcu_core+0x559/0xac0 __do_softirq+0x183/0x5a4 irq_exit_rcu+0x12d/0x170 sysvec_apic_timer_interrupt+0x6b/0x80   asm_sysvec_apic _timer_interrupt+0x16/0x20 RIP: 0010:cpuidle_enter_state+0x175/0x300 C\u00f3digo: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed \u0026lt;0f\u0026gt; 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202 RAX: 00000000000000000 RBX: ffff88887facddc8 RCX: 00000 00000000000 RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588 RBP: 00000000000000004 R08: 0000000000000002 R09: 0000000000043 080 R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0 R13: 0000000000000004 R14: 00000000000000000 R15: 00000022c880ec80 cpuidle_enter+ 0x4a/0xa0 do_idle+0x310/0x410 cpu_startup_entry+0x51/0x60 start_secondary+0x211/0x270 second_startup_64_no_verify+0x184/0x18b  Asignado por tarea 6853: kasan_save_stack+0x1c/0x40 kasan_save_track+0x10/0x30 __kasan_kmalloc+0xa6/0xb0 __kmalloc+0x1eb/0x450 cipso_v4_sock_setattr+0x96/0x360 netlbl_sock_setattr+0x132/0x1f0 selinux_net lbl_socket_post_create+0x6c/0x110 selinux_socket_post_create+0x37b/0x7f0 seguridad_socket_post_create+0x63/0xb0 __sock_create+0x305 /0x450 __sys_socket_create.part.23+0xbd/0x130 __sys_socket+0x37/0xb0 __x64_sys_socket+0x6f/0xb0 do_syscall_64+0x83/0x160 Entry_SYSCALL_64_after_hwframe+0x6e/0x76 Liberado por la tarea 68 58: kasan_save_stack+0x1c/0x40 kasan_save_track+0x10/0x30 kasan_save_free_info+0x3b/ 0x60 __kasan_slab_free+0x12c/0x1f0 kfree+0xed/0x2e0 inet_sock_destruct+0x54f/0x8b0 __sk_destruct+0x48/0x5b0 subflow_ulp_release+0x1f0/0x250 tcp_cleanup_ulp+0x6e/0x110 tcp_v4_destroy _sock+0x5a/0x3a0 inet_csk_destroy_sock+0x135/0x390 tcp_fin+0x416/0x5c0 tcp_data_queue+0x1bc8/ 0x4310 tcp_rcv_state_process+0x15a3/0x47b0 tcp_v4_do_rcv+0x2c1/0x990 tcp_v4_rcv+0x41fb/0x5ed0 ip_protocol_deliver_rcu+0x6d/0x9f0 ip_local_deliver_finish+0x278/0x360 ip_ local_deliver+0x182/0x2c0 ip_rcv+0xb5/0x1c0 __netif_receive_skb_one_core+0x16e/0x1b0 Process_backlog+0x1e3/0x650 __napi_poll+0xa6/ 0x500 net_rx_action+0x740/0xbb0 __do_softirq+0x183/0x5a4 La direcci\u00f3n con errores pertenece al objeto en ffff888485950880 que pertenece al cach\u00e9 kmalloc-64 de tama\u00f1o 64. La direcci\u00f3n con errores se encuentra a 0 bytes dentro de la regi\u00f3n de 64 bytes [ffff888485950880, ffff88848 59508c0) El La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: p\u00e1gina:0000000056d1e95e refcount:1 mapcount:0 mapeo:0000000000000000 \u00edndice:0xffff888485950700 pfn:0x485950 banderas: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1f ffff) tipo_p\u00e1gina: 0xffffffff() sin procesar : 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006 raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000 p\u00e1gina volcada porque: kasan: se detect\u00f3 mal acceso Estado de la memoria alrededor de la direcci\u00f3n con errores: ffff888485950780: fa fb fb ---truncado---"
          }
        ],
        "id": "CVE-2024-26782",
        "lastModified": "2024-04-04T12:48:41.700",
        "metrics": {},
        "published": "2024-04-04T09:15:08.020",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/f74362a004225df935863dea6eb7d82daaa5b16e"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}