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cvelist/2022/48xxx/CVE-2022-48919.json
CVE Team c19a22f1b4
"-Synchronized-Data."
2024-11-04 13:01:15 +00:00

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{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2022-48919",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix double free race when mount fails in cifs_get_root()\n\nWhen cifs_get_root() fails during cifs_smb3_do_mount() we call\ndeactivate_locked_super() which eventually will call delayed_free() which\nwill free the context.\nIn this situation we should not proceed to enter the out: section in\ncifs_smb3_do_mount() and free the same resources a second time.\n\n[Thu Feb 10 12:59:06 2022] BUG: KASAN: use-after-free in rcu_cblist_dequeue+0x32/0x60\n[Thu Feb 10 12:59:06 2022] Read of size 8 at addr ffff888364f4d110 by task swapper/1/0\n\n[Thu Feb 10 12:59:06 2022] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G OE 5.17.0-rc3+ #4\n[Thu Feb 10 12:59:06 2022] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.0 12/17/2019\n[Thu Feb 10 12:59:06 2022] Call Trace:\n[Thu Feb 10 12:59:06 2022] <IRQ>\n[Thu Feb 10 12:59:06 2022] dump_stack_lvl+0x5d/0x78\n[Thu Feb 10 12:59:06 2022] print_address_description.constprop.0+0x24/0x150\n[Thu Feb 10 12:59:06 2022] ? rcu_cblist_dequeue+0x32/0x60\n[Thu Feb 10 12:59:06 2022] kasan_report.cold+0x7d/0x117\n[Thu Feb 10 12:59:06 2022] ? rcu_cblist_dequeue+0x32/0x60\n[Thu Feb 10 12:59:06 2022] __asan_load8+0x86/0xa0\n[Thu Feb 10 12:59:06 2022] rcu_cblist_dequeue+0x32/0x60\n[Thu Feb 10 12:59:06 2022] rcu_core+0x547/0xca0\n[Thu Feb 10 12:59:06 2022] ? call_rcu+0x3c0/0x3c0\n[Thu Feb 10 12:59:06 2022] ? __this_cpu_preempt_check+0x13/0x20\n[Thu Feb 10 12:59:06 2022] ? lock_is_held_type+0xea/0x140\n[Thu Feb 10 12:59:06 2022] rcu_core_si+0xe/0x10\n[Thu Feb 10 12:59:06 2022] __do_softirq+0x1d4/0x67b\n[Thu Feb 10 12:59:06 2022] __irq_exit_rcu+0x100/0x150\n[Thu Feb 10 12:59:06 2022] irq_exit_rcu+0xe/0x30\n[Thu Feb 10 12:59:06 2022] sysvec_hyperv_stimer0+0x9d/0xc0\n...\n[Thu Feb 10 12:59:07 2022] Freed by task 58179:\n[Thu Feb 10 12:59:07 2022] kasan_save_stack+0x26/0x50\n[Thu Feb 10 12:59:07 2022] kasan_set_track+0x25/0x30\n[Thu Feb 10 12:59:07 2022] kasan_set_free_info+0x24/0x40\n[Thu Feb 10 12:59:07 2022] ____kasan_slab_free+0x137/0x170\n[Thu Feb 10 12:59:07 2022] __kasan_slab_free+0x12/0x20\n[Thu Feb 10 12:59:07 2022] slab_free_freelist_hook+0xb3/0x1d0\n[Thu Feb 10 12:59:07 2022] kfree+0xcd/0x520\n[Thu Feb 10 12:59:07 2022] cifs_smb3_do_mount+0x149/0xbe0 [cifs]\n[Thu Feb 10 12:59:07 2022] smb3_get_tree+0x1a0/0x2e0 [cifs]\n[Thu Feb 10 12:59:07 2022] vfs_get_tree+0x52/0x140\n[Thu Feb 10 12:59:07 2022] path_mount+0x635/0x10c0\n[Thu Feb 10 12:59:07 2022] __x64_sys_mount+0x1bf/0x210\n[Thu Feb 10 12:59:07 2022] do_syscall_64+0x5c/0xc0\n[Thu Feb 10 12:59:07 2022] entry_SYSCALL_64_after_hwframe+0x44/0xae\n\n[Thu Feb 10 12:59:07 2022] Last potentially related work creation:\n[Thu Feb 10 12:59:07 2022] kasan_save_stack+0x26/0x50\n[Thu Feb 10 12:59:07 2022] __kasan_record_aux_stack+0xb6/0xc0\n[Thu Feb 10 12:59:07 2022] kasan_record_aux_stack_noalloc+0xb/0x10\n[Thu Feb 10 12:59:07 2022] call_rcu+0x76/0x3c0\n[Thu Feb 10 12:59:07 2022] cifs_umount+0xce/0xe0 [cifs]\n[Thu Feb 10 12:59:07 2022] cifs_kill_sb+0xc8/0xe0 [cifs]\n[Thu Feb 10 12:59:07 2022] deactivate_locked_super+0x5d/0xd0\n[Thu Feb 10 12:59:07 2022] cifs_smb3_do_mount+0xab9/0xbe0 [cifs]\n[Thu Feb 10 12:59:07 2022] smb3_get_tree+0x1a0/0x2e0 [cifs]\n[Thu Feb 10 12:59:07 2022] vfs_get_tree+0x52/0x140\n[Thu Feb 10 12:59:07 2022] path_mount+0x635/0x10c0\n[Thu Feb 10 12:59:07 2022] __x64_sys_mount+0x1bf/0x210\n[Thu Feb 10 12:59:07 2022] do_syscall_64+0x5c/0xc0\n[Thu Feb 10 12:59:07 2022] entry_SYSCALL_64_after_hwframe+0x44/0xae"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Linux",
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "1da177e4c3f4",
"version_value": "da834d6c1147"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "4.9.305",
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.270",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.233",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
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},
{
"version": "5.4.183",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
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},
{
"version": "5.10.104",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.27",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.16.13",
"lessThanOrEqual": "5.16.*",
"status": "unaffected",
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},
{
"version": "5.17",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
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}
},
"references": {
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{
"url": "https://git.kernel.org/stable/c/da834d6c1147c7519a9e55b510a03b7055104749",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/da834d6c1147c7519a9e55b510a03b7055104749"
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{
"url": "https://git.kernel.org/stable/c/147a0e71ccf96df9fc8c2ac500829d8e423ef02c",
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"name": "https://git.kernel.org/stable/c/147a0e71ccf96df9fc8c2ac500829d8e423ef02c"
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{
"url": "https://git.kernel.org/stable/c/2fe0e281f7ad0a62259649764228227dd6b2561d",
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"name": "https://git.kernel.org/stable/c/2fe0e281f7ad0a62259649764228227dd6b2561d"
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{
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"name": "https://git.kernel.org/stable/c/e208668ef7ba23efcbf76a8200cab8deee501c4d"
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{
"url": "https://git.kernel.org/stable/c/df9db1a2af37f39ad1653c7b9b0d275d72d0bc67",
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"url": "https://git.kernel.org/stable/c/546d60859ecf13380fcabcbeace53a5971493a2b",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/546d60859ecf13380fcabcbeace53a5971493a2b"
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{
"url": "https://git.kernel.org/stable/c/563431c1f3c8f2230e4a9c445fa23758742bc4f0",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/563431c1f3c8f2230e4a9c445fa23758742bc4f0"
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{
"url": "https://git.kernel.org/stable/c/3d6cc9898efdfb062efb74dc18cfc700e082f5d5",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/3d6cc9898efdfb062efb74dc18cfc700e082f5d5"
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},
"generator": {
"engine": "bippy-9e1c9544281a"
}
}
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