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CVE-2023-53404

20
FAUCET Score

CVE-2023-53404 is a memory leak vulnerability in the Linux kernel's USB fotg210 driver, specifically affecting the debugfs_lookup() function. This flaw, rated Medium severity (CVSS 5.5), allows a local, low-privileged attacker to cause a denial of service (resource exhaustion) through repeated calls without proper memory deallocation. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.15.100CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.2.5CPE 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
0.14%
Probability of exploitation in next 30 days
EPSS Percentile
3.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0014 is in the 22nd 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

Vendor Advisories (1)

redhatCVE-2023-53404

kernel: USB: fotg210: fix memory leak with using debugfs_lookup()

Sep 18, 2025

References

git.kernel.org / stable/c/4a71b15744b8f286718722f80b663c06ed909d8a
Patch
git.kernel.org / stable/c/55c2ffc534928f4732199617e3b746d79a57898f
Patch
git.kernel.org / stable/c/6b4040f452037a7e95472577891d57c6b18c89c5
Patch
git.kernel.org / stable/c/7d2d3bef6d700eb4261fb6761de2c95a9e3c0ac8
Patch