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CVE-2023-53371

20
FAUCET Score

CVE-2023-53371 describes a memory leak vulnerability in the Linux kernel's mlx5e network driver, specifically within the mlx5e_fs_tt_redirect_any_create function. This flaw, rated Medium severity (CVSS 5.5), could lead to a denial of service (A:H) if exploited locally (AV:L/AC:L/PR:L). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.13, < 6.1.40CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.4.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*

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
4.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0014 is in the 25th 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 (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.el8_10
View patch
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 8Fixed in: kernel-rt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

redhatCVE-2023-53371Moderate

kernel: net/mlx5e: fix memory leak in mlx5e_fs_tt_redirect_any_create

Sep 18, 2025
microsoft2025-Sep/CVE-2023-53371Moderate

net/mlx5e: fix memory leak in mlx5e_fs_tt_redirect_any_create

Sep 9, 2025

References

git.kernel.org / stable/c/3250affdc658557a41df9c5fb567723e421f8bf2
Patch
git.kernel.org / stable/c/75df2fe6d160e16be880aacacd521b135d7177c9
Patch
git.kernel.org / stable/c/8a75a6f169c3df3a94802314aa61282772ac75b8
Patch