{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/isofs/export.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "5e7de55602c61c8ff28db075cc49c8dd6989d7e0",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "63d5a3e207bf315a32c7d16de6c89753a759f95a",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "0fdafdaef796816a9ed0fd7ac812932d569d9beb",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "952e7a7e317f126d0a2b879fc531b716932d5ffa",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "56dfffea9fd3be0b3795a9ca6401e133a8427e0b",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "0405d4b63d082861f4eaff9d39c78ee9dc34f845",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/isofs/export.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.12"
            },
            {
              "lessThan": "2.6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.293",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.237",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.181",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.135",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.25",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15-rc3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.293",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.237",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.181",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.135",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.88",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.25",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.14.4",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15-rc3",
                  "versionStartIncluding": "2.6.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nisofs: Prevent the use of too small fid\n\nsyzbot reported a slab-out-of-bounds Read in isofs_fh_to_parent. [1]\n\nThe handle_bytes value passed in by the reproducing program is equal to 12.\nIn handle_to_path(), only 12 bytes of memory are allocated for the structure\nfile_handle-\u003ef_handle member, which causes an out-of-bounds access when\naccessing the member parent_block of the structure isofs_fid in isofs,\nbecause accessing parent_block requires at least 16 bytes of f_handle.\nHere, fh_len is used to indirectly confirm that the value of handle_bytes\nis greater than 3 before accessing parent_block.\n\n[1]\nBUG: KASAN: slab-out-of-bounds in isofs_fh_to_parent+0x1b8/0x210 fs/isofs/export.c:183\nRead of size 4 at addr ffff0000cc030d94 by task syz-executor215/6466\nCPU: 1 UID: 0 PID: 6466 Comm: syz-executor215 Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025\nCall trace:\n show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:408 [inline]\n print_report+0x198/0x550 mm/kasan/report.c:521\n kasan_report+0xd8/0x138 mm/kasan/report.c:634\n __asan_report_load4_noabort+0x20/0x2c mm/kasan/report_generic.c:380\n isofs_fh_to_parent+0x1b8/0x210 fs/isofs/export.c:183\n exportfs_decode_fh_raw+0x2dc/0x608 fs/exportfs/expfs.c:523\n do_handle_to_path+0xa0/0x198 fs/fhandle.c:257\n handle_to_path fs/fhandle.c:385 [inline]\n do_handle_open+0x8cc/0xb8c fs/fhandle.c:403\n __do_sys_open_by_handle_at fs/fhandle.c:443 [inline]\n __se_sys_open_by_handle_at fs/fhandle.c:434 [inline]\n __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:434\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744\n el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600\n\nAllocated by task 6466:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x40/0x78 mm/kasan/common.c:68\n kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:562\n poison_kmalloc_redzone mm/kasan/common.c:377 [inline]\n __kasan_kmalloc+0xac/0xc4 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_noprof+0x32c/0x54c mm/slub.c:4306\n kmalloc_noprof include/linux/slab.h:905 [inline]\n handle_to_path fs/fhandle.c:357 [inline]\n do_handle_open+0x5a4/0xb8c fs/fhandle.c:403\n __do_sys_open_by_handle_at fs/fhandle.c:443 [inline]\n __se_sys_open_by_handle_at fs/fhandle.c:434 [inline]\n __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:434\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744\n el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:32:22.442Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ee01a309ebf598be1ff8174901ed6e91619f1749"
        },
        {
          "url": "https://git.kernel.org/stable/c/5e7de55602c61c8ff28db075cc49c8dd6989d7e0"
        },
        {
          "url": "https://git.kernel.org/stable/c/63d5a3e207bf315a32c7d16de6c89753a759f95a"
        },
        {
          "url": "https://git.kernel.org/stable/c/0fdafdaef796816a9ed0fd7ac812932d569d9beb"
        },
        {
          "url": "https://git.kernel.org/stable/c/952e7a7e317f126d0a2b879fc531b716932d5ffa"
        },
        {
          "url": "https://git.kernel.org/stable/c/56dfffea9fd3be0b3795a9ca6401e133a8427e0b"
        },
        {
          "url": "https://git.kernel.org/stable/c/007124c896e7d4614ac1f6bd4dedb975c35a2a8e"
        },
        {
          "url": "https://git.kernel.org/stable/c/0405d4b63d082861f4eaff9d39c78ee9dc34f845"
        }
      ],
      "title": "isofs: Prevent the use of too small fid",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37780",
    "datePublished": "2025-05-01T13:07:17.748Z",
    "dateReserved": "2025-04-16T04:51:23.940Z",
    "dateUpdated": "2025-05-04T07:32:22.442Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-37780\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T14:15:41.863\",\"lastModified\":\"2025-05-02T13:53:20.943\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nisofs: Prevent the use of too small fid\\n\\nsyzbot reported a slab-out-of-bounds Read in isofs_fh_to_parent. [1]\\n\\nThe handle_bytes value passed in by the reproducing program is equal to 12.\\nIn handle_to_path(), only 12 bytes of memory are allocated for the structure\\nfile_handle-\u003ef_handle member, which causes an out-of-bounds access when\\naccessing the member parent_block of the structure isofs_fid in isofs,\\nbecause accessing parent_block requires at least 16 bytes of f_handle.\\nHere, fh_len is used to indirectly confirm that the value of handle_bytes\\nis greater than 3 before accessing parent_block.\\n\\n[1]\\nBUG: KASAN: slab-out-of-bounds in isofs_fh_to_parent+0x1b8/0x210 fs/isofs/export.c:183\\nRead of size 4 at addr ffff0000cc030d94 by task syz-executor215/6466\\nCPU: 1 UID: 0 PID: 6466 Comm: syz-executor215 Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025\\nCall trace:\\n show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)\\n __dump_stack lib/dump_stack.c:94 [inline]\\n dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120\\n print_address_description mm/kasan/report.c:408 [inline]\\n print_report+0x198/0x550 mm/kasan/report.c:521\\n kasan_report+0xd8/0x138 mm/kasan/report.c:634\\n __asan_report_load4_noabort+0x20/0x2c mm/kasan/report_generic.c:380\\n isofs_fh_to_parent+0x1b8/0x210 fs/isofs/export.c:183\\n exportfs_decode_fh_raw+0x2dc/0x608 fs/exportfs/expfs.c:523\\n do_handle_to_path+0xa0/0x198 fs/fhandle.c:257\\n handle_to_path fs/fhandle.c:385 [inline]\\n do_handle_open+0x8cc/0xb8c fs/fhandle.c:403\\n __do_sys_open_by_handle_at fs/fhandle.c:443 [inline]\\n __se_sys_open_by_handle_at fs/fhandle.c:434 [inline]\\n __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:434\\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\\n el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744\\n el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762\\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600\\n\\nAllocated by task 6466:\\n kasan_save_stack mm/kasan/common.c:47 [inline]\\n kasan_save_track+0x40/0x78 mm/kasan/common.c:68\\n kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:562\\n poison_kmalloc_redzone mm/kasan/common.c:377 [inline]\\n __kasan_kmalloc+0xac/0xc4 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_noprof+0x32c/0x54c mm/slub.c:4306\\n kmalloc_noprof include/linux/slab.h:905 [inline]\\n handle_to_path fs/fhandle.c:357 [inline]\\n do_handle_open+0x5a4/0xb8c fs/fhandle.c:403\\n __do_sys_open_by_handle_at fs/fhandle.c:443 [inline]\\n __se_sys_open_by_handle_at fs/fhandle.c:434 [inline]\\n __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:434\\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\\n el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744\\n el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762\\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: isofs: Impedir el uso de fid demasiado peque\u00f1o. syzbot inform\u00f3 de una lectura fuera de los l\u00edmites de slab en isofs_fh_to_parent. [1] El valor de handle_bytes pasado por el programa de reproducci\u00f3n es igual a 12. En handle_to_path(), solo se asignan 12 bytes de memoria para el miembro de la estructura file_handle-\u0026gt;f_handle, lo que provoca un acceso fuera de los l\u00edmites al acceder al miembro parent_block de la estructura isofs_fid en isofs, ya que acceder a parent_block requiere al menos 16 bytes de f_handle. Aqu\u00ed, fh_len se utiliza para confirmar indirectamente que el valor de handle_bytes es mayor que 3 antes de acceder a parent_block. [1] ERROR: KASAN: slab fuera de los l\u00edmites en isofs_fh_to_parent+0x1b8/0x210 fs/isofs/export.c:183 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff0000cc030d94 por la tarea syz-executor215/6466 CPU: 1 UID: 0 PID: 6466 Comm: syz-executor215 No contaminado 6.14.0-rc7-syzkaller-ga2392f333575 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0x198/0x550 mm/kasan/report.c:521 kasan_report+0xd8/0x138 mm/kasan/report.c:634 __asan_report_load4_noabort+0x20/0x2c mm/kasan/report_generic.c:380 isofs_fh_to_parent+0x1b8/0x210 fs/isofs/export.c:183 exportfs_decode_fh_raw+0x2dc/0x608 fs/exportfs/expfs.c:523 do_handle_to_path+0xa0/0x198 fs/fhandle.c:257 handle_to_path fs/fhandle.c:385 [inline] do_handle_open+0x8cc/0xb8c fs/fhandle.c:403 __do_sys_open_by_handle_at fs/fhandle.c:443 [inline] __se_sys_open_by_handle_at fs/fhandle.c:434 [inline] __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:434 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Allocated by task 6466: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:562 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4294 [inline] __kmalloc_noprof+0x32c/0x54c mm/slub.c:4306 kmalloc_noprof include/linux/slab.h:905 [inline] handle_to_path fs/fhandle.c:357 [inline] do_handle_open+0x5a4/0xb8c fs/fhandle.c:403 __do_sys_open_by_handle_at fs/fhandle.c:443 [inline] __se_sys_open_by_handle_at fs/fhandle.c:434 [inline] __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:434 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 \"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/007124c896e7d4614ac1f6bd4dedb975c35a2a8e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0405d4b63d082861f4eaff9d39c78ee9dc34f845\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0fdafdaef796816a9ed0fd7ac812932d569d9beb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/56dfffea9fd3be0b3795a9ca6401e133a8427e0b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5e7de55602c61c8ff28db075cc49c8dd6989d7e0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/63d5a3e207bf315a32c7d16de6c89753a759f95a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/952e7a7e317f126d0a2b879fc531b716932d5ffa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ee01a309ebf598be1ff8174901ed6e91619f1749\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}