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CVE-2022-49414

15
FAUCET Score

CVE-2022-49414 describes a race condition in the Linux kernel's ext4 filesystem, specifically between the ext4_write and ext4_convert_inline_data functions. This vulnerability can lead to a kernel crash (BUG_ON) due to inconsistent block bitmap and group descriptor information. It affects Linux kernel versions and is categorized as a local attack with high attack complexity. The vulnerability has a CVSS score of 4.7 (Medium), indicating a potential for high availability impact (kernel crash) but no confidentiality or integrity impact. The attack requires local access and is complex to execute. Currently, there is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE. It is not listed on the CISA KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.8, < 5.4.207CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.132CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.46CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 5.17.14CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.18, < 5.18.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
8.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 47th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49414Moderate

kernel: ext4: fix race condition between ext4_write and ext4_convert_inline_data

Feb 26, 2025

References

git.kernel.org / stable/c/14602353b350950b551eccc6b46411aa3b12ffe2
Patch
git.kernel.org / stable/c/18881d7e517169193d9ef6c89c7f322e3e164277
Patch
git.kernel.org / stable/c/725e00cb7039eae291890f1bb19bc867176745f6
Patch
git.kernel.org / stable/c/91f90b571f1a23f5b8a9c2b68a9aa5d6981a3c3d
Patch
git.kernel.org / stable/c/ccc6639f831bee91aa8b41c8a1cdd020ecfb9f32
Patch
git.kernel.org / stable/c/f87c7a4b084afc13190cbb263538e444cb2b392a
Patch