CVE-2023-53262

f2fs: fix scheduling while atomic in decompression path

State: Published
Severity: 7.8 High
Published: Sep 15, 2025
Updated: May 11, 2026
Reserved: Sep 15, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

f2fs: fix scheduling while atomic in decompression path

[ 16.945668][ C0] Call trace: [ 16.945678][ C0] dump_backtrace+0x110/0x204 [ 16.945706][ C0] dump_stack_lvl+0x84/0xbc [ 16.945735][ C0] __schedule_bug+0xb8/0x1ac [ 16.945756][ C0] __schedule+0x724/0xbdc [ 16.945778][ C0] schedule+0x154/0x258 [ 16.945793][ C0] bit_wait_io+0x48/0xa4 [ 16.945808][ C0] out_of_line_wait_on_bit+0x114/0x198 [ 16.945824][ C0] __sync_dirty_buffer+0x1f8/0x2e8 [ 16.945853][ C0] __f2fs_commit_super+0x140/0x1f4 [ 16.945881][ C0] f2fs_commit_super+0x110/0x28c [ 16.945898][ C0] f2fs_handle_error+0x1f4/0x2f4 [ 16.945917][ C0] f2fs_decompress_cluster+0xc4/0x450 [ 16.945942][ C0] f2fs_end_read_compressed_page+0xc0/0xfc [ 16.945959][ C0] f2fs_handle_step_decompress+0x118/0x1cc [ 16.945978][ C0] f2fs_read_end_io+0x168/0x2b0 [ 16.945993][ C0] bio_endio+0x25c/0x2c8 [ 16.946015][ C0] dm_io_dec_pending+0x3e8/0x57c [ 16.946052][ C0] clone_endio+0x134/0x254 [ 16.946069][ C0] bio_endio+0x25c/0x2c8 [ 16.946084][ C0] blk_update_request+0x1d4/0x478 [ 16.946103][ C0] scsi_end_request+0x38/0x4cc [ 16.946129][ C0] scsi_io_completion+0x94/0x184 [ 16.946147][ C0] scsi_finish_command+0xe8/0x154 [ 16.946164][ C0] scsi_complete+0x90/0x1d8 [ 16.946181][ C0] blk_done_softirq+0xa4/0x11c [ 16.946198][ C0] _stext+0x184/0x614 [ 16.946214][ C0] __irq_exit_rcu+0x78/0x144 [ 16.946234][ C0] handle_domain_irq+0xd4/0x154 [ 16.946260][ C0] gic_handle_irq.33881+0x5c/0x27c [ 16.946281][ C0] call_on_irq_stack+0x40/0x70 [ 16.946298][ C0] do_interrupt_handler+0x48/0xa4 [ 16.946313][ C0] el1_interrupt+0x38/0x68 [ 16.946346][ C0] el1h_64_irq_handler+0x20/0x30 [ 16.946362][ C0] el1h_64_irq+0x78/0x7c [ 16.946377][ C0] finish_task_switch+0xc8/0x3d8 [ 16.946394][ C0] __schedule+0x600/0xbdc [ 16.946408][ C0] preempt_schedule_common+0x34/0x5c [ 16.946423][ C0] preempt_schedule+0x44/0x48 [ 16.946438][ C0] process_one_work+0x30c/0x550 [ 16.946456][ C0] worker_thread+0x414/0x8bc [ 16.946472][ C0] kthread+0x16c/0x1e0 [ 16.946486][ C0] ret_from_fork+0x10/0x20

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	bff139b49d9f70c1ac5384aac94554846aa834de to before 74f74c8b8419a289b85aa9c85e5f4d8c2cc9f5fbAffected bff139b49d9f70c1ac5384aac94554846aa834de to before 977df5c13a4b253a718ec44a4eb957c612bf73f4Affected bff139b49d9f70c1ac5384aac94554846aa834de to before d2746c56dd2cc47f70cc3931977be556172c246dAffected bff139b49d9f70c1ac5384aac94554846aa834de to before 1aa161e43106d46ca8e9a86f4aa28d420258134bAffected
LinuxLinux	6.0Affected before 6.0Not affected 6.1.28 through 6.1.Not affected 6.2.15 through 6.2.Not affected 6.3.2 through 6.3.*Not affected 6.4 and laterNot affected

References

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