Executive Summary

Informations
Name CVE-2022-48826 First vendor Publication 2024-07-16
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

drm/vc4: Fix deadlock on DSI device attach error

DSI device attach to DSI host will be done with host device's lock held.

Un-registering host in "device attach" error path (ex: probe retry) will result in deadlock with below call trace and non operational DSI display.

Startup Call trace: [ 35.043036] rt_mutex_slowlock.constprop.21+0x184/0x1b8 [ 35.043048] mutex_lock_nested+0x7c/0xc8 [ 35.043060] device_del+0x4c/0x3e8 [ 35.043075] device_unregister+0x20/0x40 [ 35.043082] mipi_dsi_remove_device_fn+0x18/0x28 [ 35.043093] device_for_each_child+0x68/0xb0 [ 35.043105] mipi_dsi_host_unregister+0x40/0x90 [ 35.043115] vc4_dsi_host_attach+0xf0/0x120 [vc4] [ 35.043199] mipi_dsi_attach+0x30/0x48 [ 35.043209] tc358762_probe+0x128/0x164 [tc358762] [ 35.043225] mipi_dsi_drv_probe+0x28/0x38 [ 35.043234] really_probe+0xc0/0x318 [ 35.043244] __driver_probe_device+0x80/0xe8 [ 35.043254] driver_probe_device+0xb8/0x118 [ 35.043263] __device_attach_driver+0x98/0xe8 [ 35.043273] bus_for_each_drv+0x84/0xd8 [ 35.043281] __device_attach+0xf0/0x150 [ 35.043290] device_initial_probe+0x1c/0x28 [ 35.043300] bus_probe_device+0xa4/0xb0 [ 35.043308] deferred_probe_work_func+0xa0/0xe0 [ 35.043318] process_one_work+0x254/0x700 [ 35.043330] worker_thread+0x4c/0x448 [ 35.043339] kthread+0x19c/0x1a8 [ 35.043348] ret_from_fork+0x10/0x20

Shutdown Call trace: [ 365.565417] Call trace: [ 365.565423] __switch_to+0x148/0x200 [ 365.565452] __schedule+0x340/0x9c8 [ 365.565467] schedule+0x48/0x110 [ 365.565479] schedule_timeout+0x3b0/0x448 [ 365.565496] wait_for_completion+0xac/0x138 [ 365.565509] __flush_work+0x218/0x4e0 [ 365.565523] flush_work+0x1c/0x28 [ 365.565536] wait_for_device_probe+0x68/0x158 [ 365.565550] device_shutdown+0x24/0x348 [ 365.565561] kernel_restart_prepare+0x40/0x50 [ 365.565578] kernel_restart+0x20/0x70 [ 365.565591] __do_sys_reboot+0x10c/0x220 [ 365.565605] __arm64_sys_reboot+0x2c/0x38 [ 365.565619] invoke_syscall+0x4c/0x110 [ 365.565634] el0_svc_common.constprop.3+0xfc/0x120 [ 365.565648] do_el0_svc+0x2c/0x90 [ 365.565661] el0_svc+0x4c/0xf0 [ 365.565671] el0t_64_sync_handler+0x90/0xb8 [ 365.565682] el0t_64_sync+0x180/0x184

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-48826

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-667 Insufficient Locking

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 7
Os 3503

Sources (Detail)

https://git.kernel.org/stable/c/0a3d12ab5097b1d045e693412e6b366b7e82031b
https://git.kernel.org/stable/c/770d1ba9a8201ce9bee0946eb03746449b6f3b80
https://git.kernel.org/stable/c/dddd832f35096fbc5004e3a7e58fb4d2cefb8deb
Source Url

Alert History

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Date Informations
2025-01-08 02:47:17
  • Multiple Updates
2025-01-07 02:46:54
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2024-12-25 02:45:41
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2024-12-12 02:48:33
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2024-11-25 09:23:49
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2024-11-21 21:22:31
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2024-11-20 02:43:24
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2024-11-14 02:43:16
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2024-11-09 02:43:55
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2024-10-26 02:41:41
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2024-10-25 02:43:26
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2024-10-23 02:42:50
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2024-10-03 02:38:54
  • Multiple Updates
2024-10-02 02:37:17
  • Multiple Updates
2024-09-06 00:27:59
  • Multiple Updates
2024-07-16 17:27:24
  • First insertion