{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38677","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:24.031Z","datePublished":"2025-08-30T09:19:02.596Z","dateUpdated":"2026-05-12T12:05:19.121Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:32:50.599Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid out-of-boundary access in dnode page\n\nAs Jiaming Zhang reported:\n\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x1c1/0x2a0 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:378 [inline]\n print_report+0x17e/0x800 mm/kasan/report.c:480\n kasan_report+0x147/0x180 mm/kasan/report.c:593\n data_blkaddr fs/f2fs/f2fs.h:3053 [inline]\n f2fs_data_blkaddr fs/f2fs/f2fs.h:3058 [inline]\n f2fs_get_dnode_of_data+0x1a09/0x1c40 fs/f2fs/node.c:855\n f2fs_reserve_block+0x53/0x310 fs/f2fs/data.c:1195\n prepare_write_begin fs/f2fs/data.c:3395 [inline]\n f2fs_write_begin+0xf39/0x2190 fs/f2fs/data.c:3594\n generic_perform_write+0x2c7/0x910 mm/filemap.c:4112\n f2fs_buffered_write_iter fs/f2fs/file.c:4988 [inline]\n f2fs_file_write_iter+0x1ec8/0x2410 fs/f2fs/file.c:5216\n new_sync_write fs/read_write.c:593 [inline]\n vfs_write+0x546/0xa90 fs/read_write.c:686\n ksys_write+0x149/0x250 fs/read_write.c:738\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xf3/0x3d0 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nThe root cause is in the corrupted image, there is a dnode has the same\nnode id w/ its inode, so during f2fs_get_dnode_of_data(), it tries to\naccess block address in dnode at offset 934, however it parses the dnode\nas inode node, so that get_dnode_addr() returns 360, then it tries to\naccess page address from 360 + 934 * 4 = 4096 w/ 4 bytes.\n\nTo fix this issue, let's add sanity check for node id of all direct nodes\nduring f2fs_get_dnode_of_data()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/node.c"],"versions":[{"version":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4","lessThan":"ee4d13f5407cbdf1216cc258f45492075713889a","status":"affected","versionType":"git"},{"version":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4","lessThan":"a650654365c57407413e9b1f6ff4d539bf2e99ca","status":"affected","versionType":"git"},{"version":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4","lessThan":"6b7784ea07e6aa044f74b39d6b5af5e28746fc81","status":"affected","versionType":"git"},{"version":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4","lessThan":"901f62efd6e855f93d8b1175540f29f4dc45ba55","status":"affected","versionType":"git"},{"version":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4","lessThan":"92ef491b506a0f4dd971a3a76f86f2d8f5370180","status":"affected","versionType":"git"},{"version":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4","lessThan":"888aa660144bcb6ec07839da756ee46bfcf7fc53","status":"affected","versionType":"git"},{"version":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4","lessThan":"f1d5093d9fe9f3c74c123741c88666cc853b79c5","status":"affected","versionType":"git"},{"version":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4","lessThan":"77de19b6867f2740cdcb6c9c7e50d522b47847a4","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/f2fs/node.c"],"versions":[{"version":"3.8","status":"affected"},{"version":"0","lessThan":"3.8","status":"unaffected","versionType":"semver"},{"version":"5.4.297","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.241","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.190","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.149","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.103","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.44","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.16.4","lessThanOrEqual":"6.16.*","status":"unaffected","versionType":"semver"},{"version":"6.17","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":"3.8","versionEndExcluding":"5.4.297"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.10.241"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.15.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.1.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.6.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.12.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.16.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/ee4d13f5407cbdf1216cc258f45492075713889a"},{"url":"https://git.kernel.org/stable/c/a650654365c57407413e9b1f6ff4d539bf2e99ca"},{"url":"https://git.kernel.org/stable/c/6b7784ea07e6aa044f74b39d6b5af5e28746fc81"},{"url":"https://git.kernel.org/stable/c/901f62efd6e855f93d8b1175540f29f4dc45ba55"},{"url":"https://git.kernel.org/stable/c/92ef491b506a0f4dd971a3a76f86f2d8f5370180"},{"url":"https://git.kernel.org/stable/c/888aa660144bcb6ec07839da756ee46bfcf7fc53"},{"url":"https://git.kernel.org/stable/c/f1d5093d9fe9f3c74c123741c88666cc853b79c5"},{"url":"https://git.kernel.org/stable/c/77de19b6867f2740cdcb6c9c7e50d522b47847a4"}],"title":"f2fs: fix to avoid out-of-boundary access in dnode page","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:41:02.759Z"}},{"x_adpType":"supplier","providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-05-12T12:05:19.121Z"},"affected":[{"vendor":"Siemens","product":"SIMATIC CN 4100","versions":[{"status":"affected","version":"0","lessThan":"V5.0","versionType":"custom"}],"defaultStatus":"unknown"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}]}]}}