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CVE-2023-54041

11
FAUCET Score

CVE-2023-54041 is a memory leak vulnerability in the Linux kernel's io_uring subsystem. Specifically, it occurs when provided buffers are removed, as io_buffer structs are not properly disposed of, leading to a memory leak. This vulnerability affects the Linux kernel. The severity of this vulnerability is considered low, with no CVSS score provided and a FAUCET Risk Score of 7/100. While a memory leak can degrade system performance over time, there is no indication of a direct attack vector or complex exploitation method that would lead to immediate critical impact. There is no evidence of active exploitation for CVE-2023-54041, nor is there any publicly available exploit code (Metasploit, Nuclei, ExploitDB). Community discussion and media coverage are also absent, suggesting a lack of widespread attention or exploitation attempts.

Impacted Technologies

VendorProductVersion(s)CPE
LinuxLinux
5.18CNA affecteddefault affected
LinuxLinux
>= cc3cec8367cba76a8ae4c271eba8450f3efc1ba3, < ac48787f58d1068f4e06d627c1135784d64b4c72, >= cc3cec8367cba76a8ae4c271eba8450f3efc1ba3, < b4a72c0589fdea6259720375426179888969d6a2, >= cc3cec8367cba76a8ae4c271eba8450f3efc1ba3, < c117c15927772d1624c29c092b6bd3f47c7faa48CNA affecteddefault unaffected

CVSS Data

CVSS data has not been published for this CVE.

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15

Social Chatter

Media Mentions

No media coverage found for this CVE.

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-2023-54041Low

kernel: io_uring: fix memory leak when removing provided buffers

Dec 24, 2025

References

git.kernel.org / stable/c/ac48787f58d1068f4e06d627c1135784d64b4c72
git.kernel.org / stable/c/b4a72c0589fdea6259720375426179888969d6a2
git.kernel.org / stable/c/c117c15927772d1624c29c092b6bd3f47c7faa48