-

CVE-2022-50737

In the Linux kernel, the following vulnerability has been resolved:

fs/ntfs3: Validate index root when initialize NTFS security

This enhances the sanity check for $SDH and $SII while initializing NTFS
security, guarantees these index root are legit.

[  162.459513] BUG: KASAN: use-after-free in hdr_find_e.isra.0+0x10c/0x320
[  162.460176] Read of size 2 at addr ffff8880037bca99 by task mount/243
[  162.460851]
[  162.461252] CPU: 0 PID: 243 Comm: mount Not tainted 6.0.0-rc7 #42
[  162.461744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
[  162.462609] Call Trace:
[  162.462954]  <TASK>
[  162.463276]  dump_stack_lvl+0x49/0x63
[  162.463822]  print_report.cold+0xf5/0x689
[  162.464608]  ? unwind_get_return_address+0x3a/0x60
[  162.465766]  ? hdr_find_e.isra.0+0x10c/0x320
[  162.466975]  kasan_report+0xa7/0x130
[  162.467506]  ? _raw_spin_lock_irq+0xc0/0xf0
[  162.467998]  ? hdr_find_e.isra.0+0x10c/0x320
[  162.468536]  __asan_load2+0x68/0x90
[  162.468923]  hdr_find_e.isra.0+0x10c/0x320
[  162.469282]  ? cmp_uints+0xe0/0xe0
[  162.469557]  ? cmp_sdh+0x90/0x90
[  162.469864]  ? ni_find_attr+0x214/0x300
[  162.470217]  ? ni_load_mi+0x80/0x80
[  162.470479]  ? entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  162.470931]  ? ntfs_bread_run+0x190/0x190
[  162.471307]  ? indx_get_root+0xe4/0x190
[  162.471556]  ? indx_get_root+0x140/0x190
[  162.471833]  ? indx_init+0x1e0/0x1e0
[  162.472069]  ? fnd_clear+0x115/0x140
[  162.472363]  ? _raw_spin_lock_irqsave+0x100/0x100
[  162.472731]  indx_find+0x184/0x470
[  162.473461]  ? sysvec_apic_timer_interrupt+0x57/0xc0
[  162.474429]  ? indx_find_buffer+0x2d0/0x2d0
[  162.474704]  ? do_syscall_64+0x3b/0x90
[  162.474962]  dir_search_u+0x196/0x2f0
[  162.475381]  ? ntfs_nls_to_utf16+0x450/0x450
[  162.475661]  ? ntfs_security_init+0x3d6/0x440
[  162.475906]  ? is_sd_valid+0x180/0x180
[  162.476191]  ntfs_extend_init+0x13f/0x2c0
[  162.476496]  ? ntfs_fix_post_read+0x130/0x130
[  162.476861]  ? iput.part.0+0x286/0x320
[  162.477325]  ntfs_fill_super+0x11e0/0x1b50
[  162.477709]  ? put_ntfs+0x1d0/0x1d0
[  162.477970]  ? vsprintf+0x20/0x20
[  162.478258]  ? set_blocksize+0x95/0x150
[  162.478538]  get_tree_bdev+0x232/0x370
[  162.478789]  ? put_ntfs+0x1d0/0x1d0
[  162.479038]  ntfs_fs_get_tree+0x15/0x20
[  162.479374]  vfs_get_tree+0x4c/0x130
[  162.479729]  path_mount+0x654/0xfe0
[  162.480124]  ? putname+0x80/0xa0
[  162.480484]  ? finish_automount+0x2e0/0x2e0
[  162.480894]  ? putname+0x80/0xa0
[  162.481467]  ? kmem_cache_free+0x1c4/0x440
[  162.482280]  ? putname+0x80/0xa0
[  162.482714]  do_mount+0xd6/0xf0
[  162.483264]  ? path_mount+0xfe0/0xfe0
[  162.484782]  ? __kasan_check_write+0x14/0x20
[  162.485593]  __x64_sys_mount+0xca/0x110
[  162.486024]  do_syscall_64+0x3b/0x90
[  162.486543]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[  162.487141] RIP: 0033:0x7f9d374e948a
[  162.488324] Code: 48 8b 0d 11 fa 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 008
[  162.489728] RSP: 002b:00007ffe30e73d18 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[  162.490971] RAX: ffffffffffffffda RBX: 0000561cdb43a060 RCX: 00007f9d374e948a
[  162.491669] RDX: 0000561cdb43a260 RSI: 0000561cdb43a2e0 RDI: 0000561cdb442af0
[  162.492050] RBP: 0000000000000000 R08: 0000561cdb43a280 R09: 0000000000000020
[  162.492459] R10: 00000000c0ed0000 R11: 0000000000000206 R12: 0000561cdb442af0
[  162.493183] R13: 0000561cdb43a260 R14: 0000000000000000 R15: 00000000ffffffff
[  162.493644]  </TASK>
[  162.493908]
[  162.494214] The buggy address belongs to the physical page:
[  162.494761] page:000000003e38a3d5 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x37bc
[  162.496064] flags: 0xfffffc0000000(node=0|zone=1|lastcpupid=0x1fffff)
[  162.497278] raw: 000fffffc0000000 ffffea00000df1c8 ffffea00000df008 0000000000000000
[  162.498928] raw: 0000000000000000 0000000000240000 0
---truncated---
Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
Produkt Linux
Default Statusunaffected
Version < d7ce7bb6881aae186e50f57eea935cff8d504751
Version 82cae269cfa953032fbb8980a7d554d60fb00b17
Status affected
Version < 24ee53c6bce15500db22f2a7aee9dd830e806c90
Version 82cae269cfa953032fbb8980a7d554d60fb00b17
Status affected
Version < d6379ce242960a8e9ecd6ff76f476d9336c21f16
Version 82cae269cfa953032fbb8980a7d554d60fb00b17
Status affected
Version < bfcdbae0523bd95eb75a739ffb6221a37109881e
Version 82cae269cfa953032fbb8980a7d554d60fb00b17
Status affected
HerstellerLinux
Produkt Linux
Default Statusaffected
Version 5.15
Status affected
Version < 5.15
Version 0
Status unaffected
Version <= 5.15.*
Version 5.15.87
Status unaffected
Version <= 6.0.*
Version 6.0.17
Status unaffected
Version <= 6.1.*
Version 6.1.3
Status unaffected
Version <= *
Version 6.2
Status unaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.03% 0.064
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.