143 lines
7.7 KiB
JSON
143 lines
7.7 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-40235",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-04-16T07:20:57.180Z",
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"datePublished": "2025-12-04T15:31:25.785Z",
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"dateUpdated": "2026-05-11T21:45:24.427Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T21:45:24.427Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: directly free partially initialized fs_info in btrfs_check_leaked_roots()\n\nIf fs_info->super_copy or fs_info->super_for_commit allocated failed in\nbtrfs_get_tree_subvol(), then no need to call btrfs_free_fs_info().\nOtherwise btrfs_check_leaked_roots() would access NULL pointer because\nfs_info->allocated_roots had not been initialised.\n\nsyzkaller reported the following information:\n ------------[ cut here ]------------\n BUG: unable to handle page fault for address: fffffffffffffbb0\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 64c9067 P4D 64c9067 PUD 64cb067 PMD 0\n Oops: Oops: 0000 [#1] SMP KASAN PTI\n CPU: 0 UID: 0 PID: 1402 Comm: syz.1.35 Not tainted 6.15.8 #4 PREEMPT(lazy)\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), (...)\n RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:23 [inline]\n RIP: 0010:raw_atomic_read include/linux/atomic/atomic-arch-fallback.h:457 [inline]\n RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:33 [inline]\n RIP: 0010:refcount_read include/linux/refcount.h:170 [inline]\n RIP: 0010:btrfs_check_leaked_roots+0x18f/0x2c0 fs/btrfs/disk-io.c:1230\n [...]\n Call Trace:\n <TASK>\n btrfs_free_fs_info+0x310/0x410 fs/btrfs/disk-io.c:1280\n btrfs_get_tree_subvol+0x592/0x6b0 fs/btrfs/super.c:2029\n btrfs_get_tree+0x63/0x80 fs/btrfs/super.c:2097\n vfs_get_tree+0x98/0x320 fs/super.c:1759\n do_new_mount+0x357/0x660 fs/namespace.c:3899\n path_mount+0x716/0x19c0 fs/namespace.c:4226\n do_mount fs/namespace.c:4239 [inline]\n __do_sys_mount fs/namespace.c:4450 [inline]\n __se_sys_mount fs/namespace.c:4427 [inline]\n __x64_sys_mount+0x28c/0x310 fs/namespace.c:4427\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0x92/0x180 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n RIP: 0033:0x7f032eaffa8d\n [...]"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/btrfs/super.c"
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],
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"versions": [
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{
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"version": "3bb17a25bcb09abbd667c6ac86c7c9109ae82bcd",
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"lessThan": "b1c2b4e6ffd307720ab6ce42f6749b0c02ba0a73",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3bb17a25bcb09abbd667c6ac86c7c9109ae82bcd",
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"lessThan": "0c2b2d4d053e9840e6da6ed581befa20309f281a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3bb17a25bcb09abbd667c6ac86c7c9109ae82bcd",
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"lessThan": "17679ac6df6c4830ba711835aa8cf961be36cfa1",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/btrfs/super.c"
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],
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"versions": [
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{
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"version": "6.8",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.8",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.56",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.17.6",
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"lessThanOrEqual": "6.17.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.8",
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"versionEndExcluding": "6.12.56"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.8",
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"versionEndExcluding": "6.17.6"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.8",
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"versionEndExcluding": "6.18"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/b1c2b4e6ffd307720ab6ce42f6749b0c02ba0a73"
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},
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{
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"url": "https://git.kernel.org/stable/c/0c2b2d4d053e9840e6da6ed581befa20309f281a"
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},
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{
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"url": "https://git.kernel.org/stable/c/17679ac6df6c4830ba711835aa8cf961be36cfa1"
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}
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],
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"title": "btrfs: directly free partially initialized fs_info in btrfs_check_leaked_roots()",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |