CVE-2025-38333

MEDIUM

Linux Kernel 3.8-6.12.34, 6.13.0-6.15.3, 6.16 - Denial of Service in F2FS Segment Allocation

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 4.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (11)
linux/Kernel 3.8.0 - 6.12.35linux
linux/Kernel 6.13.0 - 6.15.4linux
Linux/Linux < 3.8
Linux/Linux 3.8
Linux/Linux 6.12.35 - 6.12.*
Linux/Linux 6.15.4 - 6.15.*
Linux/Linux 6.16
Linux/Linux 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 - bb5eb8a5b222fa5092f60d5555867a05ebc3bdf2
Linux/Linux 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 - ca860f507a61c7c3d4dde47b830a5c0d555cf83c
Linux/Linux 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 - f0023d7a2a86999c8e1300e911d92f995a5310a8
... and 1 more
Published Jul 10, 2025
Tracked Since Feb 18, 2026