CVE-2025-38333
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
f2fs: fix to bail out in get_new_segment()
————[ cut here ]———— WARNING: CPU: 3 PID: 579 at fs/f2fs/segment.c:2832 new_curseg+0x5e8/0x6dc pc : new_curseg+0x5e8/0x6dc Call trace: new_curseg+0x5e8/0x6dc f2fs_allocate_data_block+0xa54/0xe28 do_write_page+0x6c/0x194 f2fs_do_write_node_page+0x38/0x78 __write_node_page+0x248/0x6d4 f2fs_sync_node_pages+0x524/0x72c f2fs_write_checkpoint+0x4bc/0x9b0 __checkpoint_and_complete_reqs+0x80/0x244 issue_checkpoint_thread+0x8c/0xec kthread+0x114/0x1bc ret_from_fork+0x10/0x20
get_new_segment() detects inconsistent status in between free_segmap and free_secmap, let's record such error into super block, and bail out get_new_segment() instead of continue using the segment.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 < f0023d7a2a86999c8e1300e911d92f995a5310a8 | affected |
| Linux | Linux | 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 < ca860f507a61c7c3d4dde47b830a5c0d555cf83c | affected |
| Linux | Linux | 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 < bb5eb8a5b222fa5092f60d5555867a05ebc3bdf2 | affected |
| Linux | Linux | 3.8 | affected |
| Linux | Linux | 0 < 3.8 | unaffected |
| Linux | Linux | 6.12.35 <= 6.12.* | unaffected |
| Linux | Linux | 6.15.4 <= 6.15.* | unaffected |
| Linux | Linux | 6.16 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/f0023d7a2a86999c8e1300e911d92f995a5310a8
- https://git.kernel.org/stable/c/ca860f507a61c7c3d4dde47b830a5c0d555cf83c
- https://git.kernel.org/stable/c/bb5eb8a5b222fa5092f60d5555867a05ebc3bdf2
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