linux: In the Linux kernel, the following vulnerability has been resolved: ubi: ubi_create_volume: Fix use-after-free when...
CVE-2022-49388 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49388, released February 26, 2025. It is not reported as exploited. Patch Radar priority: High.
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].
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.18.5-1 | DEBIAN-CVE-2022-49388 | Feb 26, 2025 |
| linux · Debian 13.5 (trixie) | 5.18.5-1 | DEBIAN-CVE-2022-49388 | Feb 26, 2025 |
| linux · Debian 14 | 5.18.5-1 | DEBIAN-CVE-2022-49388 | Feb 26, 2025 |
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