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].

• linux linux kernel (>= 4.12 < 4.14.283) • linux linux kernel (>= 4.15 < 4.19.247) • linux linux kernel (>= 4.20 < 5.4.198) • linux linux kernel (>= 5.5 < 5.10.122) • linux linux kernel (>= 5.11 < 5.15.47) • linux linux kernel (>= 5.16 < 5.17.15) • linux linux kernel (>= 5.18 < 5.18.4)