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CVE-2025-22123

5.5 · MEDIUM
Published Apr 16, 2025 linux CWE-908 EPSS 0.18% (7th pctl)

Overview

CVE-2025-22123 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 16, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

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

f2fs: fix to avoid accessing uninitialized curseg

syzbot reports a f2fs bug as below:

F2FS-fs (loop3): Stopped filesystem due to reason: 7

kworker/u8:7: attempt to access beyond end of device

BUG: unable to handle page fault for address: ffffed1604ea3dfa

RIP: 0010:get_ckpt_valid_blocks fs/f2fs/segment.h:361 [inline]

RIP: 0010:has_curseg_enough_space fs/f2fs/segment.h:570 [inline]

RIP: 0010:__get_secs_required fs/f2fs/segment.h:620 [inline]

RIP: 0010:has_not_enough_free_secs fs/f2fs/segment.h:633 [inline]

RIP: 0010:has_enough_free_secs+0x575/0x1660 fs/f2fs/segment.h:649

<TASK>

f2fs_is_checkpoint_ready fs/f2fs/segment.h:671 [inline]

f2fs_write_inode+0x425/0x540 fs/f2fs/inode.c:791

write_inode fs/fs-writeback.c:1525 [inline]

__writeback_single_inode+0x708/0x10d0 fs/fs-writeback.c:1745

writeback_sb_inodes+0x820/0x1360 fs/fs-writeback.c:1976

wb_writeback+0x413/0xb80 fs/fs-writeback.c:2156

wb_do_writeback fs/fs-wr

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 6.9, < 6.12.33 Affected

Frequently Asked Questions

What is CVE-2025-22123?

CVE-2025-22123 is a medium-severity vulnerability affecting linux linux_kernel. It was published on April 16, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-22123?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-22123?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-22123?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-22123 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.