What is CVE-2025-38333?

CVE-2025-38333 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 3.8 onward and patched in 6.12.35, 6.15.4 and 6.16. CVE-2025-38333 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-38333?

CVE-2025-38333 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2025-38333?

Yes, CVE-2025-38333 has been patched. Fixed versions include 6.12.35, 6.15.4 and 6.16. If you are running Linux kernel 3.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-38333 actively exploited?

CVE-2025-38333 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-38333

Medium

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.

Package Linux Kernel

Published 2025-07-10

Last modified 2025-11-18

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Affected versions

Linux kernel versions 3.8 and later are affected. Fixed in 6.12.35, 6.15.4, 6.16 and their respective stable series.

Affected from

≥ 3.8

Fixed in

✓ 6.12.35 6.12.x ✓ 6.15.4 6.15.x ✓ 6.16

References

The following references provide additional information about CVE-2025-38333 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/bb5eb8a5b222fa5092f60d5555867a05ebc3bdf2
Patch
Kernel patch commit
https://git.kernel.org/stable/c/ca860f507a61c7c3d4dde47b830a5c0d555cf83c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/f0023d7a2a86999c8e1300e911d92f995a5310a8
Patch

Details

CVE ID CVE-2025-38333

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-07-10

Modified 2025-11-18

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-38333?

CVE-2025-38333 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 3.8 onward and has been patched in 6.12.35, 6.15.4 and 6.16. CVE-2025-38333 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-38333?

CVE-2025-38333 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2025-38333?

Yes — CVE-2025-38333 has been patched. Fixed versions include 6.12.35, 6.15.4 and 6.16. If you are running Linux kernel 3.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-38333 actively exploited?

No — CVE-2025-38333 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.