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CVE-2023-53100

17
FAUCET Score

CVE-2023-53100 is a vulnerability in the Linux kernel's ext4 filesystem, specifically within the ext4_update_inline_data function. It affects Linux kernel versions and can lead to a denial of service (system crash) due to a warning triggered by an incorrect memory allocation size. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and resulting in high availability impact. This means an attacker with local access can cause the system to crash. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.14.310CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.278CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.237CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.175CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.103CPE 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
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 40th percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-362.8.1.el9_3
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2023-53100Moderate

kernel: ext4: fix WARNING in ext4_update_inline_data

May 2, 2025

References

git.kernel.org / stable/c/2b96b4a5d9443ca4cad58b0040be455803c05a42
Patch
git.kernel.org / stable/c/35161cec76772f74526f5886ad4082ec48511d5c
Patch
git.kernel.org / stable/c/39c5df2ca544368b44b59d0f6d80131e90763371
Patch
git.kernel.org / stable/c/74d775083e9f3d9dadf9e3b5f3e0028d1ad0bd5c
Patch
git.kernel.org / stable/c/92eee6a82a9a6f9f83559e17a2b6b935e1a5cd25
Patch
git.kernel.org / stable/c/a9bd94f67b27739bbe8583c52256502bd4cc7e83
Patch
git.kernel.org / stable/c/c5aa102b433b1890e1ccaa40c06826c77dda1665
Patch
git.kernel.org / stable/c/ca500cf2eceb5a8e93bf71ab97b5f7a18ecabce2
Patch