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CVE-2022-49352

16
FAUCET Score

CVE-2022-49352 is a vulnerability in the Linux kernel's ext4 filesystem, specifically within the ext4_handle_inode_extension function. It arises from an inconsistency between an inode's reported size and its actual disk size after a failed dirty inode mark operation during an ext4_setattr call, leading to a warning and potential denial of service. The vulnerability has a CVSS score of 5.5 (MEDIUM) with a vector of AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H, indicating a local attack with low complexity that can lead to high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.5, < 5.10.121CPE 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

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 76th percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 0.1 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-2022-49352Low

kernel: ext4: fix warning in ext4_handle_inode_extension

Feb 26, 2025

References

git.kernel.org / stable/c/1bcce88da60eccc946c0f4ed942b0f08cd565778
Patch
git.kernel.org / stable/c/adf490083ca52ebfb0b2fe64ff1ead00c0452dd7
Patch
git.kernel.org / stable/c/b81d2ff6885e38fc745eeaf9565775055778fc0b
Patch
git.kernel.org / stable/c/e383c2aa5f02ab571530dc5c5696479672478c25
Patch
git.kernel.org / stable/c/f4534c9fc94d22383f187b9409abb3f9df2e3db3
Patch