{"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"}}]}}