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CVE-2022-49880

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in 'ext4_da_release_space' Syzkaller report issue as follows: EXT4-fs (loop0): Free/Dirty block details EXT4-…

Published May 1, 2025EPSS 0.22%

Overview

CVE-2022-49880 is a medium-severity vulnerability. It was published on May 1, 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:

ext4: fix warning in 'ext4_da_release_space'

Syzkaller report issue as follows:

EXT4-fs (loop0): Free/Dirty block details

EXT4-fs (loop0): free_blocks=0

EXT4-fs (loop0): dirty_blocks=0

EXT4-fs (loop0): Block reservation details

EXT4-fs (loop0): i_reserved_data_blocks=0

EXT4-fs warning (device loop0): ext4_da_release_space:1527: ext4_da_release_space: ino 18, to_free 1 with only 0 reserved data blocks

------------[ cut here ]------------

WARNING: CPU: 0 PID: 92 at fs/ext4/inode.c:1528 ext4_da_release_space+0x25e/0x370 fs/ext4/inode.c:1524

Modules linked in:

CPU: 0 PID: 92 Comm: kworker/u4:4 Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022

Workqueue: writeback wb_workfn (flush-7:0)

RIP: 0010:ext4_da_release_space+0x25e/0x370 fs/ext4/inode.c:1528

RSP: 0018:ffffc900015f6c90 EFLAGS: 00010296

RAX: 42215896cd52ea00 RBX: 0000000000000

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/0a43c015e98121c91a76154edf42280ce1a8a883Refgit.kernel.org/stable/c/0de5ee103747fd3a24f1c010c79caabe35e8f0bbRefgit.kernel.org/stable/c/1b8f787ef547230a3249bcf897221ef0cc78481bRefgit.kernel.org/stable/c/5370b965b7a945bb8f48b9ee23d83a76a947902eRefgit.kernel.org/stable/c/72743d5598b9096950bbfd6a9b7f173d156eea97Refgit.kernel.org/stable/c/890d738f569fa9412b70ba09f15407f17a52da20Refgit.kernel.org/stable/c/89bee03d2fb8c54119b38ac6c24e7d60fae036b6Refgit.kernel.org/stable/c/c3bf1e95cfa7d950dc3c064d0c2e3d06b427bc63

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49880?

CVE-2022-49880 is a medium-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49880?

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-2022-49880?

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-2022-49880?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49880 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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