GSD-2024-26793

Vulnerability from gsd - Updated: 2024-02-20 06:02
Details
In the Linux kernel, the following vulnerability has been resolved: gtp: fix use-after-free and null-ptr-deref in gtp_newlink() The gtp_link_ops operations structure for the subsystem must be registered after registering the gtp_net_ops pernet operations structure. Syzkaller hit 'general protection fault in gtp_genl_dump_pdp' bug: [ 1010.702740] gtp: GTP module unloaded [ 1010.715877] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI [ 1010.715888] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 1010.715895] CPU: 1 PID: 128616 Comm: a.out Not tainted 6.8.0-rc6-std-def-alt1 #1 [ 1010.715899] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-alt1 04/01/2014 [ 1010.715908] RIP: 0010:gtp_newlink+0x4d7/0x9c0 [gtp] [ 1010.715915] Code: 80 3c 02 00 0f 85 41 04 00 00 48 8b bb d8 05 00 00 e8 ed f6 ff ff 48 89 c2 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 4f 04 00 00 4c 89 e2 4c 8b 6d 00 48 b8 00 00 00 [ 1010.715920] RSP: 0018:ffff888020fbf180 EFLAGS: 00010203 [ 1010.715929] RAX: dffffc0000000000 RBX: ffff88800399c000 RCX: 0000000000000000 [ 1010.715933] RDX: 0000000000000001 RSI: ffffffff84805280 RDI: 0000000000000282 [ 1010.715938] RBP: 000000000000000d R08: 0000000000000001 R09: 0000000000000000 [ 1010.715942] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800399cc80 [ 1010.715947] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000400 [ 1010.715953] FS: 00007fd1509ab5c0(0000) GS:ffff88805b300000(0000) knlGS:0000000000000000 [ 1010.715958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1010.715962] CR2: 0000000000000000 CR3: 000000001c07a000 CR4: 0000000000750ee0 [ 1010.715968] PKRU: 55555554 [ 1010.715972] Call Trace: [ 1010.715985] ? __die_body.cold+0x1a/0x1f [ 1010.715995] ? die_addr+0x43/0x70 [ 1010.716002] ? exc_general_protection+0x199/0x2f0 [ 1010.716016] ? asm_exc_general_protection+0x1e/0x30 [ 1010.716026] ? gtp_newlink+0x4d7/0x9c0 [gtp] [ 1010.716034] ? gtp_net_exit+0x150/0x150 [gtp] [ 1010.716042] __rtnl_newlink+0x1063/0x1700 [ 1010.716051] ? rtnl_setlink+0x3c0/0x3c0 [ 1010.716063] ? is_bpf_text_address+0xc0/0x1f0 [ 1010.716070] ? kernel_text_address.part.0+0xbb/0xd0 [ 1010.716076] ? __kernel_text_address+0x56/0xa0 [ 1010.716084] ? unwind_get_return_address+0x5a/0xa0 [ 1010.716091] ? create_prof_cpu_mask+0x30/0x30 [ 1010.716098] ? arch_stack_walk+0x9e/0xf0 [ 1010.716106] ? stack_trace_save+0x91/0xd0 [ 1010.716113] ? stack_trace_consume_entry+0x170/0x170 [ 1010.716121] ? __lock_acquire+0x15c5/0x5380 [ 1010.716139] ? mark_held_locks+0x9e/0xe0 [ 1010.716148] ? kmem_cache_alloc_trace+0x35f/0x3c0 [ 1010.716155] ? __rtnl_newlink+0x1700/0x1700 [ 1010.716160] rtnl_newlink+0x69/0xa0 [ 1010.716166] rtnetlink_rcv_msg+0x43b/0xc50 [ 1010.716172] ? rtnl_fdb_dump+0x9f0/0x9f0 [ 1010.716179] ? lock_acquire+0x1fe/0x560 [ 1010.716188] ? netlink_deliver_tap+0x12f/0xd50 [ 1010.716196] netlink_rcv_skb+0x14d/0x440 [ 1010.716202] ? rtnl_fdb_dump+0x9f0/0x9f0 [ 1010.716208] ? netlink_ack+0xab0/0xab0 [ 1010.716213] ? netlink_deliver_tap+0x202/0xd50 [ 1010.716220] ? netlink_deliver_tap+0x218/0xd50 [ 1010.716226] ? __virt_addr_valid+0x30b/0x590 [ 1010.716233] netlink_unicast+0x54b/0x800 [ 1010.716240] ? netlink_attachskb+0x870/0x870 [ 1010.716248] ? __check_object_size+0x2de/0x3b0 [ 1010.716254] netlink_sendmsg+0x938/0xe40 [ 1010.716261] ? netlink_unicast+0x800/0x800 [ 1010.716269] ? __import_iovec+0x292/0x510 [ 1010.716276] ? netlink_unicast+0x800/0x800 [ 1010.716284] __sock_sendmsg+0x159/0x190 [ 1010.716290] ____sys_sendmsg+0x712/0x880 [ 1010.716297] ? sock_write_iter+0x3d0/0x3d0 [ 1010.716304] ? __ia32_sys_recvmmsg+0x270/0x270 [ 1010.716309] ? lock_acquire+0x1fe/0x560 [ 1010.716315] ? drain_array_locked+0x90/0x90 [ 1010.716324] ___sys_sendmsg+0xf8/0x170 [ 1010.716331] ? sendmsg_copy_msghdr+0x170/0x170 [ 1010.716337] ? lockdep_init_map ---truncated---
Aliases
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{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-26793"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ngtp: fix use-after-free and null-ptr-deref in gtp_newlink()\n\nThe gtp_link_ops operations structure for the subsystem must be\nregistered after registering the gtp_net_ops pernet operations structure.\n\nSyzkaller hit \u0027general protection fault in gtp_genl_dump_pdp\u0027 bug:\n\n[ 1010.702740] gtp: GTP module unloaded\n[ 1010.715877] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI\n[ 1010.715888] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\n[ 1010.715895] CPU: 1 PID: 128616 Comm: a.out Not tainted 6.8.0-rc6-std-def-alt1 #1\n[ 1010.715899] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-alt1 04/01/2014\n[ 1010.715908] RIP: 0010:gtp_newlink+0x4d7/0x9c0 [gtp]\n[ 1010.715915] Code: 80 3c 02 00 0f 85 41 04 00 00 48 8b bb d8 05 00 00 e8 ed f6 ff ff 48 89 c2 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 \u003c80\u003e 3c 02 00 0f 85 4f 04 00 00 4c 89 e2 4c 8b 6d 00 48 b8 00 00 00\n[ 1010.715920] RSP: 0018:ffff888020fbf180 EFLAGS: 00010203\n[ 1010.715929] RAX: dffffc0000000000 RBX: ffff88800399c000 RCX: 0000000000000000\n[ 1010.715933] RDX: 0000000000000001 RSI: ffffffff84805280 RDI: 0000000000000282\n[ 1010.715938] RBP: 000000000000000d R08: 0000000000000001 R09: 0000000000000000\n[ 1010.715942] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800399cc80\n[ 1010.715947] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000400\n[ 1010.715953] FS:  00007fd1509ab5c0(0000) GS:ffff88805b300000(0000) knlGS:0000000000000000\n[ 1010.715958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 1010.715962] CR2: 0000000000000000 CR3: 000000001c07a000 CR4: 0000000000750ee0\n[ 1010.715968] PKRU: 55555554\n[ 1010.715972] Call Trace:\n[ 1010.715985]  ? __die_body.cold+0x1a/0x1f\n[ 1010.715995]  ? die_addr+0x43/0x70\n[ 1010.716002]  ? exc_general_protection+0x199/0x2f0\n[ 1010.716016]  ? asm_exc_general_protection+0x1e/0x30\n[ 1010.716026]  ? gtp_newlink+0x4d7/0x9c0 [gtp]\n[ 1010.716034]  ? gtp_net_exit+0x150/0x150 [gtp]\n[ 1010.716042]  __rtnl_newlink+0x1063/0x1700\n[ 1010.716051]  ? rtnl_setlink+0x3c0/0x3c0\n[ 1010.716063]  ? is_bpf_text_address+0xc0/0x1f0\n[ 1010.716070]  ? kernel_text_address.part.0+0xbb/0xd0\n[ 1010.716076]  ? __kernel_text_address+0x56/0xa0\n[ 1010.716084]  ? unwind_get_return_address+0x5a/0xa0\n[ 1010.716091]  ? create_prof_cpu_mask+0x30/0x30\n[ 1010.716098]  ? arch_stack_walk+0x9e/0xf0\n[ 1010.716106]  ? stack_trace_save+0x91/0xd0\n[ 1010.716113]  ? stack_trace_consume_entry+0x170/0x170\n[ 1010.716121]  ? __lock_acquire+0x15c5/0x5380\n[ 1010.716139]  ? mark_held_locks+0x9e/0xe0\n[ 1010.716148]  ? kmem_cache_alloc_trace+0x35f/0x3c0\n[ 1010.716155]  ? __rtnl_newlink+0x1700/0x1700\n[ 1010.716160]  rtnl_newlink+0x69/0xa0\n[ 1010.716166]  rtnetlink_rcv_msg+0x43b/0xc50\n[ 1010.716172]  ? rtnl_fdb_dump+0x9f0/0x9f0\n[ 1010.716179]  ? lock_acquire+0x1fe/0x560\n[ 1010.716188]  ? netlink_deliver_tap+0x12f/0xd50\n[ 1010.716196]  netlink_rcv_skb+0x14d/0x440\n[ 1010.716202]  ? rtnl_fdb_dump+0x9f0/0x9f0\n[ 1010.716208]  ? netlink_ack+0xab0/0xab0\n[ 1010.716213]  ? netlink_deliver_tap+0x202/0xd50\n[ 1010.716220]  ? netlink_deliver_tap+0x218/0xd50\n[ 1010.716226]  ? __virt_addr_valid+0x30b/0x590\n[ 1010.716233]  netlink_unicast+0x54b/0x800\n[ 1010.716240]  ? netlink_attachskb+0x870/0x870\n[ 1010.716248]  ? __check_object_size+0x2de/0x3b0\n[ 1010.716254]  netlink_sendmsg+0x938/0xe40\n[ 1010.716261]  ? netlink_unicast+0x800/0x800\n[ 1010.716269]  ? __import_iovec+0x292/0x510\n[ 1010.716276]  ? netlink_unicast+0x800/0x800\n[ 1010.716284]  __sock_sendmsg+0x159/0x190\n[ 1010.716290]  ____sys_sendmsg+0x712/0x880\n[ 1010.716297]  ? sock_write_iter+0x3d0/0x3d0\n[ 1010.716304]  ? __ia32_sys_recvmmsg+0x270/0x270\n[ 1010.716309]  ? lock_acquire+0x1fe/0x560\n[ 1010.716315]  ? drain_array_locked+0x90/0x90\n[ 1010.716324]  ___sys_sendmsg+0xf8/0x170\n[ 1010.716331]  ? sendmsg_copy_msghdr+0x170/0x170\n[ 1010.716337]  ? lockdep_init_map\n---truncated---",
      "id": "GSD-2024-26793",
      "modified": "2024-02-20T06:02:29.183625Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2024-26793",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "459aa660eb1d",
                          "version_value": "01129059d514"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "status": "affected",
                                "version": "4.7"
                              },
                              {
                                "lessThan": "4.7",
                                "status": "unaffected",
                                "version": "0",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "4.19.*",
                                "status": "unaffected",
                                "version": "4.19.309",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.4.*",
                                "status": "unaffected",
                                "version": "5.4.271",
                                "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\ngtp: fix use-after-free and null-ptr-deref in gtp_newlink()\n\nThe gtp_link_ops operations structure for the subsystem must be\nregistered after registering the gtp_net_ops pernet operations structure.\n\nSyzkaller hit \u0027general protection fault in gtp_genl_dump_pdp\u0027 bug:\n\n[ 1010.702740] gtp: GTP module unloaded\n[ 1010.715877] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI\n[ 1010.715888] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\n[ 1010.715895] CPU: 1 PID: 128616 Comm: a.out Not tainted 6.8.0-rc6-std-def-alt1 #1\n[ 1010.715899] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-alt1 04/01/2014\n[ 1010.715908] RIP: 0010:gtp_newlink+0x4d7/0x9c0 [gtp]\n[ 1010.715915] Code: 80 3c 02 00 0f 85 41 04 00 00 48 8b bb d8 05 00 00 e8 ed f6 ff ff 48 89 c2 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 \u003c80\u003e 3c 02 00 0f 85 4f 04 00 00 4c 89 e2 4c 8b 6d 00 48 b8 00 00 00\n[ 1010.715920] RSP: 0018:ffff888020fbf180 EFLAGS: 00010203\n[ 1010.715929] RAX: dffffc0000000000 RBX: ffff88800399c000 RCX: 0000000000000000\n[ 1010.715933] RDX: 0000000000000001 RSI: ffffffff84805280 RDI: 0000000000000282\n[ 1010.715938] RBP: 000000000000000d R08: 0000000000000001 R09: 0000000000000000\n[ 1010.715942] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800399cc80\n[ 1010.715947] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000400\n[ 1010.715953] FS:  00007fd1509ab5c0(0000) GS:ffff88805b300000(0000) knlGS:0000000000000000\n[ 1010.715958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 1010.715962] CR2: 0000000000000000 CR3: 000000001c07a000 CR4: 0000000000750ee0\n[ 1010.715968] PKRU: 55555554\n[ 1010.715972] Call Trace:\n[ 1010.715985]  ? __die_body.cold+0x1a/0x1f\n[ 1010.715995]  ? die_addr+0x43/0x70\n[ 1010.716002]  ? exc_general_protection+0x199/0x2f0\n[ 1010.716016]  ? asm_exc_general_protection+0x1e/0x30\n[ 1010.716026]  ? gtp_newlink+0x4d7/0x9c0 [gtp]\n[ 1010.716034]  ? gtp_net_exit+0x150/0x150 [gtp]\n[ 1010.716042]  __rtnl_newlink+0x1063/0x1700\n[ 1010.716051]  ? rtnl_setlink+0x3c0/0x3c0\n[ 1010.716063]  ? is_bpf_text_address+0xc0/0x1f0\n[ 1010.716070]  ? kernel_text_address.part.0+0xbb/0xd0\n[ 1010.716076]  ? __kernel_text_address+0x56/0xa0\n[ 1010.716084]  ? unwind_get_return_address+0x5a/0xa0\n[ 1010.716091]  ? create_prof_cpu_mask+0x30/0x30\n[ 1010.716098]  ? arch_stack_walk+0x9e/0xf0\n[ 1010.716106]  ? stack_trace_save+0x91/0xd0\n[ 1010.716113]  ? stack_trace_consume_entry+0x170/0x170\n[ 1010.716121]  ? __lock_acquire+0x15c5/0x5380\n[ 1010.716139]  ? mark_held_locks+0x9e/0xe0\n[ 1010.716148]  ? kmem_cache_alloc_trace+0x35f/0x3c0\n[ 1010.716155]  ? __rtnl_newlink+0x1700/0x1700\n[ 1010.716160]  rtnl_newlink+0x69/0xa0\n[ 1010.716166]  rtnetlink_rcv_msg+0x43b/0xc50\n[ 1010.716172]  ? rtnl_fdb_dump+0x9f0/0x9f0\n[ 1010.716179]  ? lock_acquire+0x1fe/0x560\n[ 1010.716188]  ? netlink_deliver_tap+0x12f/0xd50\n[ 1010.716196]  netlink_rcv_skb+0x14d/0x440\n[ 1010.716202]  ? rtnl_fdb_dump+0x9f0/0x9f0\n[ 1010.716208]  ? netlink_ack+0xab0/0xab0\n[ 1010.716213]  ? netlink_deliver_tap+0x202/0xd50\n[ 1010.716220]  ? netlink_deliver_tap+0x218/0xd50\n[ 1010.716226]  ? __virt_addr_valid+0x30b/0x590\n[ 1010.716233]  netlink_unicast+0x54b/0x800\n[ 1010.716240]  ? netlink_attachskb+0x870/0x870\n[ 1010.716248]  ? __check_object_size+0x2de/0x3b0\n[ 1010.716254]  netlink_sendmsg+0x938/0xe40\n[ 1010.716261]  ? netlink_unicast+0x800/0x800\n[ 1010.716269]  ? __import_iovec+0x292/0x510\n[ 1010.716276]  ? netlink_unicast+0x800/0x800\n[ 1010.716284]  __sock_sendmsg+0x159/0x190\n[ 1010.716290]  ____sys_sendmsg+0x712/0x880\n[ 1010.716297]  ? sock_write_iter+0x3d0/0x3d0\n[ 1010.716304]  ? __ia32_sys_recvmmsg+0x270/0x270\n[ 1010.716309]  ? lock_acquire+0x1fe/0x560\n[ 1010.716315]  ? drain_array_locked+0x90/0x90\n[ 1010.716324]  ___sys_sendmsg+0xf8/0x170\n[ 1010.716331]  ? sendmsg_copy_msghdr+0x170/0x170\n[ 1010.716337]  ? lockdep_init_map\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/01129059d5141d62fae692f7a336ae3bc712d3eb",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/01129059d5141d62fae692f7a336ae3bc712d3eb"
          },
          {
            "name": "https://git.kernel.org/stable/c/ec92aa2cab6f0048f10d6aa4f025c5885cb1a1b6",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/ec92aa2cab6f0048f10d6aa4f025c5885cb1a1b6"
          },
          {
            "name": "https://git.kernel.org/stable/c/e668b92a3a01429923fd5ca13e99642aab47de69",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/e668b92a3a01429923fd5ca13e99642aab47de69"
          },
          {
            "name": "https://git.kernel.org/stable/c/9376d059a705c5dfaac566c2d09891242013ae16",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/9376d059a705c5dfaac566c2d09891242013ae16"
          },
          {
            "name": "https://git.kernel.org/stable/c/abd32d7f5c0294c1b2454c5a3b13b18446bac627",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/abd32d7f5c0294c1b2454c5a3b13b18446bac627"
          },
          {
            "name": "https://git.kernel.org/stable/c/93dd420bc41531c9a31498b9538ca83ba6ec191e",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/93dd420bc41531c9a31498b9538ca83ba6ec191e"
          },
          {
            "name": "https://git.kernel.org/stable/c/5366969a19a8a0d2ffb3d27ef6e8905e5e4216f8",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/5366969a19a8a0d2ffb3d27ef6e8905e5e4216f8"
          },
          {
            "name": "https://git.kernel.org/stable/c/616d82c3cfa2a2146dd7e3ae47bda7e877ee549e",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/616d82c3cfa2a2146dd7e3ae47bda7e877ee549e"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngtp: fix use-after-free and null-ptr-deref in gtp_newlink()\n\nThe gtp_link_ops operations structure for the subsystem must be\nregistered after registering the gtp_net_ops pernet operations structure.\n\nSyzkaller hit \u0027general protection fault in gtp_genl_dump_pdp\u0027 bug:\n\n[ 1010.702740] gtp: GTP module unloaded\n[ 1010.715877] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI\n[ 1010.715888] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\n[ 1010.715895] CPU: 1 PID: 128616 Comm: a.out Not tainted 6.8.0-rc6-std-def-alt1 #1\n[ 1010.715899] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-alt1 04/01/2014\n[ 1010.715908] RIP: 0010:gtp_newlink+0x4d7/0x9c0 [gtp]\n[ 1010.715915] Code: 80 3c 02 00 0f 85 41 04 00 00 48 8b bb d8 05 00 00 e8 ed f6 ff ff 48 89 c2 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 \u003c80\u003e 3c 02 00 0f 85 4f 04 00 00 4c 89 e2 4c 8b 6d 00 48 b8 00 00 00\n[ 1010.715920] RSP: 0018:ffff888020fbf180 EFLAGS: 00010203\n[ 1010.715929] RAX: dffffc0000000000 RBX: ffff88800399c000 RCX: 0000000000000000\n[ 1010.715933] RDX: 0000000000000001 RSI: ffffffff84805280 RDI: 0000000000000282\n[ 1010.715938] RBP: 000000000000000d R08: 0000000000000001 R09: 0000000000000000\n[ 1010.715942] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800399cc80\n[ 1010.715947] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000400\n[ 1010.715953] FS:  00007fd1509ab5c0(0000) GS:ffff88805b300000(0000) knlGS:0000000000000000\n[ 1010.715958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 1010.715962] CR2: 0000000000000000 CR3: 000000001c07a000 CR4: 0000000000750ee0\n[ 1010.715968] PKRU: 55555554\n[ 1010.715972] Call Trace:\n[ 1010.715985]  ? __die_body.cold+0x1a/0x1f\n[ 1010.715995]  ? die_addr+0x43/0x70\n[ 1010.716002]  ? exc_general_protection+0x199/0x2f0\n[ 1010.716016]  ? asm_exc_general_protection+0x1e/0x30\n[ 1010.716026]  ? gtp_newlink+0x4d7/0x9c0 [gtp]\n[ 1010.716034]  ? gtp_net_exit+0x150/0x150 [gtp]\n[ 1010.716042]  __rtnl_newlink+0x1063/0x1700\n[ 1010.716051]  ? rtnl_setlink+0x3c0/0x3c0\n[ 1010.716063]  ? is_bpf_text_address+0xc0/0x1f0\n[ 1010.716070]  ? kernel_text_address.part.0+0xbb/0xd0\n[ 1010.716076]  ? __kernel_text_address+0x56/0xa0\n[ 1010.716084]  ? unwind_get_return_address+0x5a/0xa0\n[ 1010.716091]  ? create_prof_cpu_mask+0x30/0x30\n[ 1010.716098]  ? arch_stack_walk+0x9e/0xf0\n[ 1010.716106]  ? stack_trace_save+0x91/0xd0\n[ 1010.716113]  ? stack_trace_consume_entry+0x170/0x170\n[ 1010.716121]  ? __lock_acquire+0x15c5/0x5380\n[ 1010.716139]  ? mark_held_locks+0x9e/0xe0\n[ 1010.716148]  ? kmem_cache_alloc_trace+0x35f/0x3c0\n[ 1010.716155]  ? __rtnl_newlink+0x1700/0x1700\n[ 1010.716160]  rtnl_newlink+0x69/0xa0\n[ 1010.716166]  rtnetlink_rcv_msg+0x43b/0xc50\n[ 1010.716172]  ? rtnl_fdb_dump+0x9f0/0x9f0\n[ 1010.716179]  ? lock_acquire+0x1fe/0x560\n[ 1010.716188]  ? netlink_deliver_tap+0x12f/0xd50\n[ 1010.716196]  netlink_rcv_skb+0x14d/0x440\n[ 1010.716202]  ? rtnl_fdb_dump+0x9f0/0x9f0\n[ 1010.716208]  ? netlink_ack+0xab0/0xab0\n[ 1010.716213]  ? netlink_deliver_tap+0x202/0xd50\n[ 1010.716220]  ? netlink_deliver_tap+0x218/0xd50\n[ 1010.716226]  ? __virt_addr_valid+0x30b/0x590\n[ 1010.716233]  netlink_unicast+0x54b/0x800\n[ 1010.716240]  ? netlink_attachskb+0x870/0x870\n[ 1010.716248]  ? __check_object_size+0x2de/0x3b0\n[ 1010.716254]  netlink_sendmsg+0x938/0xe40\n[ 1010.716261]  ? netlink_unicast+0x800/0x800\n[ 1010.716269]  ? __import_iovec+0x292/0x510\n[ 1010.716276]  ? netlink_unicast+0x800/0x800\n[ 1010.716284]  __sock_sendmsg+0x159/0x190\n[ 1010.716290]  ____sys_sendmsg+0x712/0x880\n[ 1010.716297]  ? sock_write_iter+0x3d0/0x3d0\n[ 1010.716304]  ? __ia32_sys_recvmmsg+0x270/0x270\n[ 1010.716309]  ? lock_acquire+0x1fe/0x560\n[ 1010.716315]  ? drain_array_locked+0x90/0x90\n[ 1010.716324]  ___sys_sendmsg+0xf8/0x170\n[ 1010.716331]  ? sendmsg_copy_msghdr+0x170/0x170\n[ 1010.716337]  ? lockdep_init_map\n---truncated---"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: gtp: corrige use-after-free y null-ptr-deref en gtp_newlink() La estructura de operaciones gtp_link_ops para el subSYSTEM debe registrarse despu\u00e9s de registrar la estructura de operaciones pernet gtp_net_ops. Syzkaller encontr\u00f3 el error \u0027fallo de protecci\u00f3n general en gtp_genl_dump_pdp\u0027: [1010.702740] gtp: m\u00f3dulo GTP descargado [1010.715877] fallo de protecci\u00f3n general, probablemente para la direcci\u00f3n no can\u00f3nica 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI [1010.715888 ] KASAN: ptr nulo -deref en el rango [0x0000000000000008-0x000000000000000f] [ 1010.715895] CPU: 1 PID: 128616 Comm: a.out No contaminado 6.8.0-rc6-std-def-alt1 #1 [ 1010.715899] Nombre de hardware: Est\u00e1ndar QEMU PC (Q35+ ICH9, 2009), BIOS 1.16.0-alt1 01/04/2014 [ 1010.715908] RIP: 0010:gtp_newlink+0x4d7/0x9c0 [gtp] [ 1010.715915] C\u00f3digo: 80 3c 02 00 0f 85 41 04 00 0 0 48 8b bb d8 05 00 00 e8 ed f6 ff ff 48 89 c2 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 \u0026lt;80\u0026gt; 3c 02 00 0f 85 4f 04 00 00 4c 89 e2 4c 8b 6d 00 4 8b8 00 00 00 [ 1010.715920] RSP: 0018:ffff888020fbf180 EFLAGS: 00010203 [ 1010.715929] RAX: dffffc0000000000 RBX: ffff88800399c000 RCX: 0000000000000 000 [ 1010.715933] RDX: 00000000000000001 RSI: ffffffff84805280 RDI: 0000000000000282 [ 1010.715938] RBP: 000000000000000d R08: 000000000000 0001 R09: 0000000000000000 [ 1010.715942] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800399cc80 [ 1010.715947] R13: 0000000000000000 R14: 00000000000 00000 R15: 0000000000000400 [ 1010.715953] FS: 00007fd1509ab5c0(0000) GS:ffff88805b300000(0000) knlGS:0000000000000000 [ 1010.715958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1010.715962] CR2: 0000000000000000 CR3: 000000001c07a000 CR4: 0000000000750ee0 [ 1010.715968] PKRU: 55555 554 [1010.715972] Seguimiento de llamadas: [1010.715985]? __die_body.cold+0x1a/0x1f [ 1010.715995] ? die_addr+0x43/0x70 [1010.716002]? exc_general_protection+0x199/0x2f0 [1010.716016]? asm_exc_general_protection+0x1e/0x30 [1010.716026]? gtp_newlink+0x4d7/0x9c0 [gtp] [ 1010.716034] ? gtp_net_exit+0x150/0x150 [gtp] [ 1010.716042] __rtnl_newlink+0x1063/0x1700 [ 1010.716051] ? rtnl_setlink+0x3c0/0x3c0 [1010.716063]? is_bpf_text_address+0xc0/0x1f0 [1010.716070]? kernel_text_address.part.0+0xbb/0xd0 [1010.716076]? __kernel_text_address+0x56/0xa0 [ 1010.716084] ? unwind_get_return_address+0x5a/0xa0 [1010.716091]? create_prof_cpu_mask+0x30/0x30 [1010.716098]? arch_stack_walk+0x9e/0xf0 [1010.716106]? stack_trace_save+0x91/0xd0 [1010.716113]? stack_trace_consume_entry+0x170/0x170 [1010.716121]? __lock_acquire+0x15c5/0x5380 [1010.716139]? mark_held_locks+0x9e/0xe0 [1010.716148]? \u00bfkmem_cache_alloc_trace+0x35f/0x3c0 [1010.716155]? __rtnl_newlink+0x1700/0x1700 [ 1010.716160] rtnl_newlink+0x69/0xa0 [ 1010.716166] rtnetlink_rcv_msg+0x43b/0xc50 [ 1010.716172] ? rtnl_fdb_dump+0x9f0/0x9f0 [1010.716179]? lock_acquire+0x1fe/0x560 [1010.716188]? netlink_deliver_tap+0x12f/0xd50 [ 1010.716196] netlink_rcv_skb+0x14d/0x440 [ 1010.716202] ? rtnl_fdb_dump+0x9f0/0x9f0 [1010.716208]? netlink_ack+0xab0/0xab0 [1010.716213]? netlink_deliver_tap+0x202/0xd50 [1010.716220]? netlink_deliver_tap+0x218/0xd50 [1010.716226]? __virt_addr_valid+0x30b/0x590 [ 1010.716233] netlink_unicast+0x54b/0x800 [ 1010.716240] ? netlink_attachskb+0x870/0x870 [1010.716248]? __check_object_size+0x2de/0x3b0 [ 1010.716254] netlink_sendmsg+0x938/0xe40 [ 1010.716261] ? netlink_unicast+0x800/0x800 [1010.716269]? __import_iovec+0x292/0x510 [ 1010.716276] ? netlink_unicast+0x800/0x800 [ 1010.716284] __sock_sendmsg+0x159/0x190 [ 1010.716290] ____sys_sendmsg+0x712/0x880 [ 1010.716297] ? sock_write_iter+0x3d0/0x3d0 [1010.716304]? __ia32_sys_recvmmsg+0x270/0x270 [1010.716309]? lock_acquire+0x1fe/0x560 [1010.716315]? Drain_array_locked+0x90/0x90 [ 1010.716324] ___sys_sendmsg+0xf8/0x170 [ 1010.716331] ? sendmsg_copy_msghdr+0x170/0x170 [1010.716337]? lockdep_init_map ---truncado---"
          }
        ],
        "id": "CVE-2024-26793",
        "lastModified": "2024-04-04T12:48:22.650",
        "metrics": {},
        "published": "2024-04-04T09:15:08.620",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/01129059d5141d62fae692f7a336ae3bc712d3eb"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/5366969a19a8a0d2ffb3d27ef6e8905e5e4216f8"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/616d82c3cfa2a2146dd7e3ae47bda7e877ee549e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/9376d059a705c5dfaac566c2d09891242013ae16"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/93dd420bc41531c9a31498b9538ca83ba6ec191e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/abd32d7f5c0294c1b2454c5a3b13b18446bac627"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/e668b92a3a01429923fd5ca13e99642aab47de69"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/ec92aa2cab6f0048f10d6aa4f025c5885cb1a1b6"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}



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