Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - write_begin - lock_page --- lock A - prepare_write_begin - f2fs_map_lock - f2fs_enable_checkpoint - down_write(cp_enable_rwsem) --- lock B - sync_inode_sb - writepages - lock_page --- lock A - down_read(cp_enable_rwsem) --- lock A
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 196c81fdd438f7ac429d5639090a9816abb9760a before b6382273801bc7c778545dd8004c9a9d750b4f62; affected 196c81fdd438f7ac429d5639090a9816abb9760a before 3996b70209f145bfcf2afc7d05dd92c27b233b48 |
| Linux / Linux | affected 6.19; unaffected 0 before 6.19; unaffected 6.19.3 through 6.19.*; unaffected 7.0 through * |
CWE
No CWE identifiers supplied.