Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986309)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986309 advisory. In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail du...

CVE-2021-47343

In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail due to IO read error e.g. read the content of origin block fails during shadowing, and the value of shadowspine::root is uninitialized...

CVE-2021-47343

CVE-2021-47343 concerns the Linux kernel dm_btree_remove path (drivers/md/persistent-data/dm-btree-remove.c). In remove_raw(), IO read errors can leave shadow_spine.root uninitialized and still be assigned to new_root at function end, and for dm-thin, pmd->details_root/details_root can become ...