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Vulnerability Change Records for CVE-2022-49388

Change History

New CVE Received from kernel.org 2/26/2025 2:01:15 AM

Action Type Old Value New Value
Added Description

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

ubi: ubi_create_volume: Fix use-after-free when volume creation failed

There is an use-after-free problem for 'eba_tbl' in ubi_create_volume()'s
error handling path:

  ubi_eba_replace_table(vol, eba_tbl)
    vol->eba_tbl = tbl
out_mapping:
  ubi_eba_destroy_table(eba_tbl)   // Free 'eba_tbl'
out_unlock:
  put_device(&vol->dev)
    vol_release
      kfree(tbl->entries)	  // UAF

Fix it by removing redundant 'eba_tbl' releasing.
Fetch a reproducer in [Link].
Added Reference

								
							
							
						
https://git.kernel.org/stable/c/1174ab8ba36a48025b68b5ff1085000b1e510217
Added Reference

								
							
							
						
https://git.kernel.org/stable/c/25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9
Added Reference

								
							
							
						
https://git.kernel.org/stable/c/5ff2514e4fb55dcf3d88294686040ca73ea0c1a2
Added Reference

								
							
							
						
https://git.kernel.org/stable/c/6d8d3f68cbecfd31925796f0fb668eb21ab06734
Added Reference

								
							
							
						
https://git.kernel.org/stable/c/8302620aeb940f386817321d272b12411ae7d39f
Added Reference

								
							
							
						
https://git.kernel.org/stable/c/8c03a1c21d72210f81cb369cc528e3fde4b45411
Added Reference

								
							
							
						
https://git.kernel.org/stable/c/abb67043060f2bf4c03d7c3debb9ae980e2b6db3
Added Reference

								
							
							
						
https://git.kernel.org/stable/c/e27ecf325e51abd06aaefba57a6322a46fa4178b