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CVE-2023-53670

20
FAUCET Score

CVE-2023-53670 is a memory leak vulnerability in the Linux kernel's nvme-core component. Specifically, it involves a failure to properly deallocate memory related to dev_pm_qos, leading to unreferenced objects. This vulnerability affects Linux kernel versions. The vulnerability has a CVSS score of 5.5 (MEDIUM), indicating a local attack vector with low attack complexity, requiring low privileges, and no user interaction. The primary impact is a high availability impact due to the memory leak. There is currently no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.0, < 6.1.39CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.3.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.4, < 6.4.4CPE 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
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 28th 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-2023-53670Low

kernel: nvme-core: fix dev_pm_qos memleak

Oct 7, 2025

References

git.kernel.org / stable/c/2ed9a89192e3192e5fea7ff6475c8722513f325e
Patch
git.kernel.org / stable/c/7237c26431cc78e5ec3259f4350f3dd58f6a4319
Patch
git.kernel.org / stable/c/7ed5cf8e6d9bfb6a78d0471317edff14f0f2b4dd
Patch
git.kernel.org / stable/c/e1379e067b9485e5af03399fe3f0d39bccb023ad
Patch