{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-37925","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T04:51:23.969Z","datePublished":"2025-04-18T07:01:29.491Z","dateUpdated":"2026-05-11T21:17:45.703Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:17:45.703Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\njfs: reject on-disk inodes of an unsupported type\n\nSyzbot has reported the following BUG:\n\nkernel BUG at fs/inode.c:668!\nOops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI\nCPU: 3 UID: 0 PID: 139 Comm: jfsCommit Not tainted 6.12.0-rc4-syzkaller-00085-g4e46774408d9 #0\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-3.fc41 04/01/2014\nRIP: 0010:clear_inode+0x168/0x190\nCode: 4c 89 f7 e8 ba fe e5 ff e9 61 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 7c c1 4c 89 f7 e8 90 ff e5 ff eb b7\n 0b e8 01 5d 7f ff 90 0f 0b e8 f9 5c 7f ff 90 0f 0b e8 f1 5c 7f\nRSP: 0018:ffffc900027dfae8 EFLAGS: 00010093\nRAX: ffffffff82157a87 RBX: 0000000000000001 RCX: ffff888104d4b980\nRDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000\nRBP: ffffc900027dfc90 R08: ffffffff82157977 R09: fffff520004fbf38\nR10: dffffc0000000000 R11: fffff520004fbf38 R12: dffffc0000000000\nR13: ffff88811315bc00 R14: ffff88811315bda8 R15: ffff88811315bb80\nFS:  0000000000000000(0000) GS:ffff888135f00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00005565222e0578 CR3: 0000000026ef0000 CR4: 00000000000006f0\nCall Trace:\n <TASK>\n ? __die_body+0x5f/0xb0\n ? die+0x9e/0xc0\n ? do_trap+0x15a/0x3a0\n ? clear_inode+0x168/0x190\n ? do_error_trap+0x1dc/0x2c0\n ? clear_inode+0x168/0x190\n ? __pfx_do_error_trap+0x10/0x10\n ? report_bug+0x3cd/0x500\n ? handle_invalid_op+0x34/0x40\n ? clear_inode+0x168/0x190\n ? exc_invalid_op+0x38/0x50\n ? asm_exc_invalid_op+0x1a/0x20\n ? clear_inode+0x57/0x190\n ? clear_inode+0x167/0x190\n ? clear_inode+0x168/0x190\n ? clear_inode+0x167/0x190\n jfs_evict_inode+0xb5/0x440\n ? __pfx_jfs_evict_inode+0x10/0x10\n evict+0x4ea/0x9b0\n ? __pfx_evict+0x10/0x10\n ? iput+0x713/0xa50\n txUpdateMap+0x931/0xb10\n ? __pfx_txUpdateMap+0x10/0x10\n jfs_lazycommit+0x49a/0xb80\n ? _raw_spin_unlock_irqrestore+0x8f/0x140\n ? lockdep_hardirqs_on+0x99/0x150\n ? __pfx_jfs_lazycommit+0x10/0x10\n ? __pfx_default_wake_function+0x10/0x10\n ? __kthread_parkme+0x169/0x1d0\n ? __pfx_jfs_lazycommit+0x10/0x10\n kthread+0x2f2/0x390\n ? __pfx_jfs_lazycommit+0x10/0x10\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x4d/0x80\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n </TASK>\n\nThis happens when 'clear_inode()' makes an attempt to finalize an underlying\nJFS inode of unknown type. According to JFS layout description from\nhttps://jfs.sourceforge.net/project/pub/jfslayout.pdf, inode types from 5 to\n15 are reserved for future extensions and should not be encountered on a valid\nfilesystem. So add an extra check for valid inode type in 'copy_from_dinode()'."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/jfs/jfs_imap.c"],"versions":[{"version":"79ac5a46c5c1c17476fbf84b4d4600d6d565defd","lessThan":"fa6ce4a9cc9fcc8150b80db6f65186c0ed2b3143","status":"affected","versionType":"git"},{"version":"79ac5a46c5c1c17476fbf84b4d4600d6d565defd","lessThan":"afc08b0b5587b553799bc375957706936a3e0088","status":"affected","versionType":"git"},{"version":"79ac5a46c5c1c17476fbf84b4d4600d6d565defd","lessThan":"45fd8421081ec79e661e5f3ead2934fdbddb4287","status":"affected","versionType":"git"},{"version":"79ac5a46c5c1c17476fbf84b4d4600d6d565defd","lessThan":"28419a4f3a1eeee33472a1b3856ae62aaa5a649b","status":"affected","versionType":"git"},{"version":"79ac5a46c5c1c17476fbf84b4d4600d6d565defd","lessThan":"8987891c4653874d5e3f5d11f063912f4e0b58eb","status":"affected","versionType":"git"},{"version":"79ac5a46c5c1c17476fbf84b4d4600d6d565defd","lessThan":"8c3f9a70d2d4dd6c640afe294b05c6a0a45434d9","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/jfs/jfs_imap.c"],"versions":[{"version":"3.1","status":"affected"},{"version":"0","lessThan":"3.1","status":"unaffected","versionType":"semver"},{"version":"5.15.190","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.148","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.101","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.41","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.14.2","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":"3.1","versionEndExcluding":"5.15.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.1.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.6.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.12.41"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.14.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.15"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/fa6ce4a9cc9fcc8150b80db6f65186c0ed2b3143"},{"url":"https://git.kernel.org/stable/c/afc08b0b5587b553799bc375957706936a3e0088"},{"url":"https://git.kernel.org/stable/c/45fd8421081ec79e661e5f3ead2934fdbddb4287"},{"url":"https://git.kernel.org/stable/c/28419a4f3a1eeee33472a1b3856ae62aaa5a649b"},{"url":"https://git.kernel.org/stable/c/8987891c4653874d5e3f5d11f063912f4e0b58eb"},{"url":"https://git.kernel.org/stable/c/8c3f9a70d2d4dd6c640afe294b05c6a0a45434d9"}],"title":"jfs: reject on-disk inodes of an unsupported type","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"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:32:38.928Z"}}]}}