{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-37780",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:23.940Z",
        "datePublished": "2025-05-01T13:07:17.748Z",
        "dateUpdated": "2026-05-11T21:15:00.436Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:15:00.436Z"
            },
            "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->f_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"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/isofs/export.c"
                    ],
                    "versions": [
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "ee01a309ebf598be1ff8174901ed6e91619f1749",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "5e7de55602c61c8ff28db075cc49c8dd6989d7e0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "63d5a3e207bf315a32c7d16de6c89753a759f95a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "0fdafdaef796816a9ed0fd7ac812932d569d9beb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "952e7a7e317f126d0a2b879fc531b716932d5ffa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "56dfffea9fd3be0b3795a9ca6401e133a8427e0b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "007124c896e7d4614ac1f6bd4dedb975c35a2a8e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                            "lessThan": "0405d4b63d082861f4eaff9d39c78ee9dc34f845",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/isofs/export.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.293",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.237",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.181",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.135",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.88",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.25",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.4",
                            "lessThanOrEqual": "6.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "5.4.293"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "5.10.237"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "5.15.181"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "6.1.135"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "6.6.88"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "6.12.25"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "6.14.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.12",
                                    "versionEndExcluding": "6.15"
                                }
                            ]
                        }
                    ]
                }
            ],
            "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"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T19:54:58.221Z"
                }
            }
        ]
    }
}