CVE-2026-23232
N/A
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 196c81fdd438f7ac429d5639090a9816abb9760a < b6382273801bc7c778545dd8004c9a9d750b4f62 | affected |
| Linux | Linux | 196c81fdd438f7ac429d5639090a9816abb9760a < 3996b70209f145bfcf2afc7d05dd92c27b233b48 | affected |
| Linux | Linux | 6.19 | affected |
| Linux | Linux | 0 < 6.19 | unaffected |
| Linux | Linux | 6.19.3 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/b6382273801bc7c778545dd8004c9a9d750b4f62
- https://git.kernel.org/stable/c/3996b70209f145bfcf2afc7d05dd92c27b233b48
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