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CVE-2023-53544

24
FAUCET Score

CVE-2023-53544 is a use-after-free vulnerability in the cpufreq driver within the Linux kernel, specifically affecting the davinci component. This flaw, rated 7.8 HIGH, allows a local attacker with low privileges to potentially achieve high confidentiality, integrity, and availability impacts by exploiting a timing window where freed clock resources are accessed. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.33, < 4.14.308CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 6.1.16CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.2.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 20th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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-0:5.14.0-427.13.1.el9_4
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2023-53544Moderate

kernel: cpufreq: davinci: Fix clk use after free

Oct 4, 2025

References

git.kernel.org / stable/c/5d8f384a9b4fc50f6a18405f1c08e5a87a77b5b3
Patch
git.kernel.org / stable/c/66b3bbe6fbd8dd410868e5b53ac3944a934b9310
Patch
git.kernel.org / stable/c/a5f024d0e6f91e05c816ad4ee8837173369dd5cb
Patch
git.kernel.org / stable/c/ab05ae4ab831f64bbc427592c86f599ed9c4324f
Patch