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CVE-2022-49414

4.7 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ext4: fix race condition between ext4_write and ext4_convert_inline_data Hulk Robot reported a BUG_ON: =======================…

Published Feb 26, 2025CWE-362EPSS 0.19%

Overview

CVE-2022-49414 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, 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:

ext4: fix race condition between ext4_write and ext4_convert_inline_data

Hulk Robot reported a BUG_ON:

==================================================================

EXT4-fs error (device loop3): ext4_mb_generate_buddy:805: group 0,

block bitmap and bg descriptor inconsistent: 25 vs 31513 free clusters

kernel BUG at fs/ext4/ext4_jbd2.c:53!

invalid opcode: 0000 [#1] SMP KASAN PTI

CPU: 0 PID: 25371 Comm: syz-executor.3 Not tainted 5.10.0+ #1

RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline]

RIP: 0010:__ext4_journal_stop+0x10e/0x110 fs/ext4/ext4_jbd2.c:116

[...]

Call Trace:

ext4_write_inline_data_end+0x59a/0x730 fs/ext4/inline.c:795

generic_perform_write+0x279/0x3c0 mm/filemap.c:3344

ext4_buffered_write_iter+0x2e3/0x3d0 fs/ext4/file.c:270

ext4_file_write_iter+0x30a/0x11c0 fs/ext4/file.c:520

do_iter_readv_writev+0x339/0x3c0 fs/read_write.c:732

do_iter_write+0x107/0x430 fs/read_write.c

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refgit.kernel.org/stable/c/14602353b350950b551eccc6b46411aa3b12ffe2Refgit.kernel.org/stable/c/18881d7e517169193d9ef6c89c7f322e3e164277Refgit.kernel.org/stable/c/725e00cb7039eae291890f1bb19bc867176745f6Refgit.kernel.org/stable/c/91f90b571f1a23f5b8a9c2b68a9aa5d6981a3c3dRefgit.kernel.org/stable/c/ccc6639f831bee91aa8b41c8a1cdd020ecfb9f32Refgit.kernel.org/stable/c/f87c7a4b084afc13190cbb263538e444cb2b392a

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49414?

CVE-2022-49414 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2022-49414?

This vulnerability has a CVSS 3.1 base score of 4.7, 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-2022-49414?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2022-49414?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49414 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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