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CVE-2022-49414

4.7 · MEDIUM
Published Feb 26, 2025 linux CWE-362 EPSS 0.19% (9th pctl)

Overview

CVE-2022-49414 is a medium-severity vulnerability affecting linux linux_kernel. 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 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 >= 3.8, < 5.4.207 Affected

Frequently Asked Questions

What is CVE-2022-49414?

CVE-2022-49414 is a medium-severity vulnerability affecting linux linux_kernel. 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 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-2022-49414?

CyberStrike's AI-powered security agents can automatically detect CVE-2022-49414 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.