NetSight
IP …
high7.8

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-afte…

Impact

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].

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 4.12 before 4.14.283
from 4.15 before 4.19.247
from 4.20 before 5.4.198
from 5.5 before 5.10.122
from 5.11 before 5.15.47
from 5.16 before 5.17.15

Weakness classification

CWE-416

References