[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2022-48919":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T14:53:31.930Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":39},"DEBIAN-CVE-2022-48919","In the Linux kernel, the following vulnerability has been resolved:  cifs: fix double free race when mount fails in cifs_get_root()  When cifs_get_root() fails during cifs_smb3_do_mount() we call deactivate_locked_super() which eventually will call delayed_free() which will free the context. In this situation we should not proceed to enter the out: section in cifs_smb3_do_mount() and free the same resources a second time.  [Thu Feb 10 12:59:06 2022] BUG: KASAN: use-after-free in rcu_cblist_dequeue+0x32/0x60 [Thu Feb 10 12:59:06 2022] Read of size 8 at addr ffff888364f4d110 by task swapper/1/0  [Thu Feb 10 12:59:06 2022] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G           OE     5.17.0-rc3+ #4 [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 [Thu Feb 10 12:59:06 2022] Call Trace: [Thu Feb 10 12:59:06 2022]  \u003CIRQ> [Thu Feb 10 12:59:06 2022]  dump_stack_lvl+0x5d/0x78 [Thu Feb 10 12:59:06 2022]  print_address_description.constprop.0+0x24/0x150 [Thu Feb 10 12:59:06 2022]  ? rcu_cblist_dequeue+0x32/0x60 [Thu Feb 10 12:59:06 2022]  kasan_report.cold+0x7d/0x117 [Thu Feb 10 12:59:06 2022]  ? rcu_cblist_dequeue+0x32/0x60 [Thu Feb 10 12:59:06 2022]  __asan_load8+0x86/0xa0 [Thu Feb 10 12:59:06 2022]  rcu_cblist_dequeue+0x32/0x60 [Thu Feb 10 12:59:06 2022]  rcu_core+0x547/0xca0 [Thu Feb 10 12:59:06 2022]  ? call_rcu+0x3c0/0x3c0 [Thu Feb 10 12:59:06 2022]  ? __this_cpu_preempt_check+0x13/0x20 [Thu Feb 10 12:59:06 2022]  ? lock_is_held_type+0xea/0x140 [Thu Feb 10 12:59:06 2022]  rcu_core_si+0xe/0x10 [Thu Feb 10 12:59:06 2022]  __do_softirq+0x1d4/0x67b [Thu Feb 10 12:59:06 2022]  __irq_exit_rcu+0x100/0x150 [Thu Feb 10 12:59:06 2022]  irq_exit_rcu+0xe/0x30 [Thu Feb 10 12:59:06 2022]  sysvec_hyperv_stimer0+0x9d/0xc0 ... [Thu Feb 10 12:59:07 2022] Freed by task 58179: [Thu Feb 10 12:59:07 2022]  kasan_save_stack+0x26/0x50 [Thu Feb 10 12:59:07 2022]  kasan_set_track+0x25/0x30 [Thu Feb 10 12:59:07 2022]  kasan_set_free_info+0x24/0x40 [Thu Feb 10 12:59:07 2022]  ____kasan_slab_free+0x137/0x170 [Thu Feb 10 12:59:07 2022]  __kasan_slab_free+0x12/0x20 [Thu Feb 10 12:59:07 2022]  slab_free_freelist_hook+0xb3/0x1d0 [Thu Feb 10 12:59:07 2022]  kfree+0xcd/0x520 [Thu Feb 10 12:59:07 2022]  cifs_smb3_do_mount+0x149/0xbe0 [cifs] [Thu Feb 10 12:59:07 2022]  smb3_get_tree+0x1a0/0x2e0 [cifs] [Thu Feb 10 12:59:07 2022]  vfs_get_tree+0x52/0x140 [Thu Feb 10 12:59:07 2022]  path_mount+0x635/0x10c0 [Thu Feb 10 12:59:07 2022]  __x64_sys_mount+0x1bf/0x210 [Thu Feb 10 12:59:07 2022]  do_syscall_64+0x5c/0xc0 [Thu Feb 10 12:59:07 2022]  entry_SYSCALL_64_after_hwframe+0x44/0xae  [Thu Feb 10 12:59:07 2022] Last potentially related work creation: [Thu Feb 10 12:59:07 2022]  kasan_save_stack+0x26/0x50 [Thu Feb 10 12:59:07 2022]  __kasan_record_aux_stack+0xb6/0xc0 [Thu Feb 10 12:59:07 2022]  kasan_record_aux_stack_noalloc+0xb/0x10 [Thu Feb 10 12:59:07 2022]  call_rcu+0x76/0x3c0 [Thu Feb 10 12:59:07 2022]  cifs_umount+0xce/0xe0 [cifs] [Thu Feb 10 12:59:07 2022]  cifs_kill_sb+0xc8/0xe0 [cifs] [Thu Feb 10 12:59:07 2022]  deactivate_locked_super+0x5d/0xd0 [Thu Feb 10 12:59:07 2022]  cifs_smb3_do_mount+0xab9/0xbe0 [cifs] [Thu Feb 10 12:59:07 2022]  smb3_get_tree+0x1a0/0x2e0 [cifs] [Thu Feb 10 12:59:07 2022]  vfs_get_tree+0x52/0x140 [Thu Feb 10 12:59:07 2022]  path_mount+0x635/0x10c0 [Thu Feb 10 12:59:07 2022]  __x64_sys_mount+0x1bf/0x210 [Thu Feb 10 12:59:07 2022]  do_syscall_64+0x5c/0xc0 [Thu Feb 10 12:59:07 2022]  entry_SYSCALL_64_after_hwframe+0x44/0xae",null,[],[],[],[14],{"_key":15},"CVE-2022-48919",[],[],[],"2024-08-22T02:15:05.987Z","2026-04-28T20:24:58.374853Z",{"cisa_kev":22,"cisa_ransomware":22,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[24],{"url":25,"sources":26,"tags":28},"https://security-tracker.debian.org/tracker/CVE-2022-48919",[27],"osv_debian",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},7.8,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",9.8,4.6,[40],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Debian","linux","debian","deb",[46,52,55,56],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},"lt5_10_106_1",true,"ecosystem","5.10.106-1","excluding",{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":51,"fixed_in":9},"lt5_16_14_1","5.16.14-1",{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":51,"fixed_in":9},{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":51,"fixed_in":9}]