| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix the inode leak in btrfs_iget()\n\n[BUG]\nThere is a bug report that a syzbot reproducer can lead to the following\nbusy inode at unmount time:\n\n BTRFS info (device loop1): last unmount of filesystem 1680000e-3c1e-4c46-84b6-56bd3909af50\n VFS: Busy inodes after unmount of loop1 (btrfs)\n ------------[ cut here ]------------\n kernel BUG at fs/super.c:650!\n Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI\n CPU: 0 UID: 0 PID: 48168 Comm: syz-executor Not tainted 6.15.0-rc2-00471-g119009db2674 #2 PREEMPT(full)\n Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:generic_shutdown_super+0x2e9/0x390 fs/super.c:650\n Call Trace:\n <TASK>\n kill_anon_super+0x3a/0x60 fs/super.c:1237\n btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2099\n deactivate_locked_super+0xbe/0x1a0 fs/super.c:473\n deactivate_super fs/super.c:506 [inline]\n deactivate_super+0xe2/0x100 fs/super.c:502\n cleanup_mnt+0x21f/0x440 fs/namespace.c:1435\n task_work_run+0x14d/0x240 kernel/task_work.c:227\n resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\n exit_to_user_mode_loop kernel/entry/common.c:114 [inline]\n exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]\n __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]\n syscall_exit_to_user_mode+0x269/0x290 kernel/entry/common.c:218\n do_syscall_64+0xd4/0x250 arch/x86/entry/syscall_64.c:100\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n </TASK>\n\n[CAUSE]\nWhen btrfs_alloc_path() failed, btrfs_iget() directly returned without\nreleasing the inode already allocated by btrfs_iget_locked().\n\nThis results the above busy inode and trigger the kernel BUG.\n\n[FIX]\nFix it by calling iget_failed() if btrfs_alloc_path() failed.\n\nIf we hit error inside btrfs_read_locked_inode(), it will properly call\niget_failed(), so nothing to worry about.\n\nAlthough the iget_failed() cleanup inside btrfs_read_locked_inode() is a\nbreak of the normal error handling scheme, let's fix the obvious bug\nand backport first, then rework the error handling later." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "fs/btrfs/inode.c" |
| ], |
| "versions": [ |
| { |
| "version": "7c855e16ab72596d771355050ffe026e6b99f91c", |
| "lessThan": "30a339bece3a44ab0a821477139e84fb86af9761", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7c855e16ab72596d771355050ffe026e6b99f91c", |
| "lessThan": "48c1d1bb525b1c44b8bdc8e7ec5629cb6c2b9fc4", |
| "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/btrfs/inode.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.13", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.13", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.14.6", |
| "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": "6.13", |
| "versionEndExcluding": "6.14.6" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.13", |
| "versionEndExcluding": "6.15" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/30a339bece3a44ab0a821477139e84fb86af9761" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/48c1d1bb525b1c44b8bdc8e7ec5629cb6c2b9fc4" |
| } |
| ], |
| "title": "btrfs: fix the inode leak in btrfs_iget()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2025-37904", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
