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Fencer Vulns
high 7.8

CVE-2023-53262 json

f2fs: fix scheduling while atomic in decompression path

published 2025-09-15 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-59822

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

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

Patch / fix

  • Linux Linux 6.1.28, 6.2.15, 6.3.2, 6.4
  • linux Debian 12 6.1.37-1
  • linux Debian 14, Debian 13 6.3.7-1

debian advisories DEBIAN-CVE-2023-53262

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-53262 updated

kernel: f2fs: fix scheduling while atomic in decompression path

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernel
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
9 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Linux Linux

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.