What is CVE-2023-53301?

CVE-2023-53301 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, affecting Linux kernel versions from 5.18 onward and patched in 6.1.16, 6.2.3 and 6.3. CVE-2023-53301 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53301?

CVE-2023-53301 has a CVSS score of 7.1 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Is there a patch available for CVE-2023-53301?

Yes, CVE-2023-53301 has been patched. Fixed versions include 6.1.16, 6.2.3 and 6.3. If you are running Linux kernel 5.18 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53301 actively exploited?

CVE-2023-53301 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53301

High

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix kernel crash due to null io->bio We should return when io->bio is null before doing anything. Otherwise, panic. BUG: kernel NULL pointer dereference, address: 0000000000000010 RIP: 0010:__submit_merged_write_cond+0x164/0x240 [f2fs] Call Trace: <TASK> f2fs_submit_merged_write+0x1d/0x30 [f2fs] commit_checkpoint+0x110/0x1e0 [f2fs] f2fs_write_checkpoint+0x9f7/0xf00 [f2fs] ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs] __checkpoint_and_complete_reqs+0x84/0x190 [f2fs] ? preempt_count_add+0x82/0xc0 ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs] issue_checkpoint_thread+0x4c/0xf0 [f2fs] ? __pfx_autoremove_wake_function+0x10/0x10 kthread+0xff/0x130 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2c/0x50 </TASK>

Package Linux Kernel

Published 2025-09-16

Last modified 2026-03-17

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected versions

Linux kernel versions 5.18 and later are affected. Fixed in 6.1.16, 6.2.3, 6.3 and their respective stable series.

Affected from

≥ 5.18

Fixed in

✓ 6.1.16 6.1.x ✓ 6.2.3 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-53301 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/267c159f9c7bcb7009dae16889b880c5ed8759a8
Patch
Kernel patch commit
https://git.kernel.org/stable/c/83dbb9a1bd5ef2eea73275906fc50b2fdda39cd5
Patch
Kernel patch commit
https://git.kernel.org/stable/c/eb52f13c6093ac761dbeaa459c810fc0253209fc
Patch

Details

CVE ID CVE-2023-53301

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2025-09-16

Modified 2026-03-17

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53301?

CVE-2023-53301 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 . It affects Linux kernel versions from 5.18 onward and has been patched in 6.1.16, 6.2.3 and 6.3. CVE-2023-53301 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53301?

CVE-2023-53301 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Is there a patch available for CVE-2023-53301?

Yes — CVE-2023-53301 has been patched. Fixed versions include 6.1.16, 6.2.3 and 6.3. If you are running Linux kernel 5.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53301 actively exploited?

No — CVE-2023-53301 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.