CVE-2025-38425: i2c: tegra: check msg length in SMBUS block read
Vulnerability summary
CVE-2025-38425 is a high (CVSS 7.8) vulnerability in debian debian_linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 10% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 43 · Related 36Timeline
- 25-07-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: tegra: check msg length in SMBUS block read For SMBUS block read, do not continue to read if the message length passed from the device is '0' or greater than the maximum allowed bytes.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
Increase +0.02 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu122 products
- linux< 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 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≥ d7583c8a57485da19feb6dd85573763a8c5ec1d1, < c39d1a9ae4ad66afcecab124d7789722bfe909fa | ≥ d7583c8a57485da19feb6dd85573763a8c5ec1d1, < be5f6a65509cd5675362f15eb0440fb28b0f9d64 | ≥ d7583c8a57485da19feb6dd85573763a8c5ec1d1, < 75a864f21ceeb8c1e8ce1b7589174fec2c3a039e | ≥ d7583c8a57485da19feb6dd85573763a8c5ec1d1, < 3f03f77ce688d02da284174e1884b6065d6159bd | ≥ d7583c8a57485da19feb6dd85573763a8c5ec1d1, < a6e04f05ce0b070ab39d5775580e65c7d943da0b | 5.18
- linux_kernel< 6.1.142 | ≥ 6.2, < 6.6.95 | ≥ 6.7, < 6.12.35 | ≥ 6.13, < 6.15.4
3 vendors · 126 products
