CVE-2025-38200: i40e: fix MMIO write access to an invalid page in i40e_clear_hw
Vulnerability summary
CVE-2025-38200 is a medium (CVSS 5.5) Integer Underflow (Wrap or Wraparound) vulnerability in debian debian_linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.4% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 71 · Related 51Timeline
- 04-07-2025PublishedVulnerability first disclosed.
- 11-06-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: i40e: fix MMIO write access to an invalid page in i40e_clear_hw When the device sends a specific input, an integer underflow can occur, leading to MMIO write access to an invalid page. Prevent the integer underflow by changing the type of related variables.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
Increase +0.03 pp
From 0.18% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu147 products
- linuxAll versions (No fix recorded) | < 5.15.0-156.166 | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1092.99 | < 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.147-1 | < 6.12.35-1
- debian_linuxEOL11.0
Linux2 products
- linux≥ 1bff652941c4d94f97610c9a30473aad6f5b2fff, < 872607632c658d3739e4e7889e4f3c419ae2c193 | ≥ 1bff652941c4d94f97610c9a30473aad6f5b2fff, < 5e75c9082987479e647c75ec8fdf18fa68263c42 | ≥ 1bff652941c4d94f97610c9a30473aad6f5b2fff, < fecb2fc3fc10c95724407cc45ea35af4a65cdde2 | ≥ 1bff652941c4d94f97610c9a30473aad6f5b2fff, < d88a1e8f024ba26e19350958fecbf771a9960352 | ≥ 1bff652941c4d94f97610c9a30473aad6f5b2fff, < 8cde755f56163281ec2c46b4ae8b61f532758a6f | ≥ 1bff652941c4d94f97610c9a30473aad6f5b2fff, < 3502dd42f178dae9d54696013386bb52b4f2e655 | ≥ 1bff652941c4d94f97610c9a30473aad6f5b2fff, < 2a1f4f2e36442a9bdf771acf6ee86f3cf876e5ca | ≥ 1bff652941c4d94f97610c9a30473aad6f5b2fff, < 015bac5daca978448f2671478c553ce1f300c21e | 3.12
- linux_kernel≥ 3.12, < 5.4.295 | ≥ 5.5, < 5.10.239 | ≥ 5.11, < 5.15.186 | ≥ 5.16, < 6.1.142 | ≥ 6.2, < 6.6.95 | ≥ 6.7, < 6.12.35 | ≥ 6.13, < 6.15.4
3 vendors · 151 products
