CVE-2022-49388
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].
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].
Vendor
Product
CWE
Yayın Tarihi
2025-02-26 07:01:15
Güncelleme
2025-03-25 14:59:13
Source Identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
KEV Date Added
-
Kategoriler
Referanslar
https://git.kernel.org/stable/c/1174ab8ba36a48025b68b5ff1085000b1e510217
https://git.kernel.org/stable/c/25ff1e3a1351c0d936dd1ac2f9e58231ea1510c9
https://git.kernel.org/stable/c/5ff2514e4fb55dcf3d88294686040ca73ea0c1a2
https://git.kernel.org/stable/c/6d8d3f68cbecfd31925796f0fb668eb21ab06734
https://git.kernel.org/stable/c/8302620aeb940f386817321d272b12411ae7d39f
https://git.kernel.org/stable/c/8c03a1c21d72210f81cb369cc528e3fde4b45411
https://git.kernel.org/stable/c/abb67043060f2bf4c03d7c3debb9ae980e2b6db3
https://git.kernel.org/stable/c/e27ecf325e51abd06aaefba57a6322a46fa4178b