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CVE-2025-37833

17
FAUCET Score

CVE-2025-37833 is a Linux kernel vulnerability affecting the niu network driver, specifically on sparc systems. It involves a hardware/firmware bug where reading MSI-X table entry registers before writing to the ENTRY_DATA field causes a fatal trap, leading to a kernel panic. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity. A successful exploit could lead to a denial of service (system crash), but does not directly impact confidentiality or integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE. It is not listed on the CISA KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.4.282, < 4.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.9.281, < 4.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.14.245, < 4.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.19.205, < 4.20CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.4.142, < 5.5CPE 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
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.9%
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 30th 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 (2)

microsoft2025-May/CVE-2025-37833Moderate

net/niu: Niu requires MSIX ENTRY_DATA fields touch before entry reads

May 13, 2025
redhatCVE-2025-37833

kernel: net/niu: Niu requires MSIX ENTRY_DATA fields touch before entry reads

May 8, 2025

References

git.kernel.org / stable/c/64903e4849a71cf7f7c7e5d45225ccefc1280929
Patch
git.kernel.org / stable/c/c187aaa9e79b4b6d86ac7ba941e579ad33df5538
Patch
git.kernel.org / stable/c/fbb429ddff5c8e479edcc7dde5a542c9295944e6
Patch