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Fencer Vulns
high 7.8

CVE-2025-38425 json

i2c: tegra: check msg length in SMBUS block read

published 2025-07-25 15 mo ago modified 2026-08-05 3 mo ago also EUVD-2025-22660

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits
0
none known

Summary

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.

Patch / fix

  • Linux Linux 6.1.142, 6.6.95, 6.12.35, 6.15.4, 6.16
  • linux Debian 12 6.1.147-1
  • linux Debian 14, Debian 13 6.12.35-1

debian advisories DEBIAN-CVE-2025-38425

  • linux Ubuntu 24.04 LTS 6.8.0-100.100
  • linux-aws Ubuntu 24.04 LTS 6.8.0-1046.49
  • linux-gcp Ubuntu 24.04 LTS 6.8.0-1043.46
  • linux-gke Ubuntu 24.04 LTS 6.8.0-1039.44
  • linux-ibm Ubuntu 24.04 LTS 6.8.0-1044.44
  • linux-azure Ubuntu 24.04 LTS 6.8.0-1046.52
  • linux-gkeop Ubuntu 24.04 LTS 6.8.0-1030.33
  • linux-raspi Ubuntu 24.04 LTS 6.8.0-1047.51

ubuntu advisories UBUNTU-CVE-2025-38425

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 10.0 6.12.0-55.22.1.el10_0
  • rv RHEL 10.0 6.12.0-55.22.1.el10_0
  • perf RHEL 10.0 6.12.0-55.22.1.el10_0
  • rtla RHEL 10.0 6.12.0-55.22.1.el10_0
  • libperf RHEL 10.0 6.12.0-55.22.1.el10_0
  • kernel-rt RHEL 10.0 6.12.0-55.22.1.el10_0
  • kernel-64k RHEL 10.0 6.12.0-55.22.1.el10_0
  • kernel-core RHEL 10.0 6.12.0-55.22.1.el10_0

red hat advisories RHSA-2025:11428RHSA-2025:11411

  • kernel-rt Linux Micro 6.2 6.12.0-160000.6.1
  • kernel-64kb SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.6.1
  • kernel-source SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.6.1
  • kernel-default SLES 16.0, SLE High Availability Extension 16.0, Linux Micro 6.2 +1 more 6.12.0-160000.6.1
  • kernel-default-base SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.12.0-160000.6.1.160000.2.4
  • kernel-syms SLES 16.0, Linux Micro Extras 6.2, SLES for SAP applications 16.0 6.12.0-160000.6.1
  • kernel-obs-qa SLES for SAP applications 16.0, SLES 16.0 6.12.0-160000.6.1
  • kernel-kvmsmall SLES for SAP applications 16.0, SLES 16.0 6.12.0-160000.6.1

suse advisories SUSE-SU-2025:21074-1SUSE-SU-2025:21139-1SUSE-SU-2026:20560-1SUSE-SU-2025:21179-1SUSE-SU-2025:03023-1SUSE-SU-2025:03011-1

  • kernel-rt openSUSE Leap 16.0 6.12.0-160000.6.1
  • dtb-aarch64 openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-64kb openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-syms openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-obs-qa openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-source openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-default openSUSE Leap 16.0 6.12.0-160000.6.1
  • kernel-kvmsmall openSUSE Leap 16.0 6.12.0-160000.6.1

opensuse advisories openSUSE-SU-2025:20081-1

  • kernel-abi-stablelists AlmaLinux 10 6.12.0-55.22.1.el10_0

almalinux advisories ALSA-2025:11428

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-38425 updated cvss 7.3

kernel: Linux kernel (i2c Tegra): Information disclosure or denial of service via SMBUS block read with invalid length

  • Red Hat Enterprise Linux 9 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +12 more
    affected: no fix available
  • Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-570.28.1.el9_6, perf 5.14.0-570.28.1.el9_6, rtla 5.14.0-570.28.1.el9_6, python3-perf 5.14.0-570.28.1.el9_6, kernel-devel-matched 5.14.0-570.28.1.el9_6, kernel-64k-devel-matched 5.14.0-570.28.1.el9_6, +7 more
    fixed: vendor fix RHSA-2025:11411
  • Red Hat Enterprise Linux AppStream (v. 10) rv 6.12.0-55.22.1.el10_0, perf 6.12.0-55.22.1.el10_0, rtla 6.12.0-55.22.1.el10_0, python3-perf 6.12.0-55.22.1.el10_0, kernel-devel-matched 6.12.0-55.22.1.el10_0, kernel-64k-devel-matched 6.12.0-55.22.1.el10_0, +7 more
    fixed: vendor fix RHSA-2025:11428
  • Red Hat Enterprise Linux BaseOS (v. 9) kernel 5.14.0-570.28.1.el9_6, kernel-64k 5.14.0-570.28.1.el9_6, kernel-core 5.14.0-570.28.1.el9_6, kernel-tools 5.14.0-570.28.1.el9_6, kernel-modules 5.14.0-570.28.1.el9_6, kernel-64k-core 5.14.0-570.28.1.el9_6, +27 more
    fixed: vendor fix RHSA-2025:11411
  • Red Hat Enterprise Linux BaseOS (v. 10) kernel 6.12.0-55.22.1.el10_0, kernel-64k 6.12.0-55.22.1.el10_0, kernel-core 6.12.0-55.22.1.el10_0, kernel-tools 6.12.0-55.22.1.el10_0, kernel-modules 6.12.0-55.22.1.el10_0, kernel-64k-core 6.12.0-55.22.1.el10_0, +27 more
    fixed: vendor fix RHSA-2025:11428
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) libperf 5.14.0-570.28.1.el9_6, kernel-debuginfo-common-s390x 5.14.0-570.28.1.el9_6, kernel-debuginfo-common-x86_64 5.14.0-570.28.1.el9_6, kernel-debuginfo-common-aarch64 5.14.0-570.28.1.el9_6, kernel-debuginfo-common-ppc64le 5.14.0-570.28.1.el9_6
    fixed: vendor fix RHSA-2025:11411
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) libperf 6.12.0-55.22.1.el10_0, kernel-debuginfo-common-s390x 6.12.0-55.22.1.el10_0, kernel-debuginfo-common-x86_64 6.12.0-55.22.1.el10_0, kernel-debuginfo-common-aarch64 6.12.0-55.22.1.el10_0, kernel-debuginfo-common-ppc64le 6.12.0-55.22.1.el10_0
    fixed: vendor fix RHSA-2025:11428
  • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-570.28.1.el9_6, kernel-rt-64k 5.14.0-570.28.1.el9_6, kernel-rt-core 5.14.0-570.28.1.el9_6, kernel-rt-modules 5.14.0-570.28.1.el9_6, kernel-rt-64k-core 5.14.0-570.28.1.el9_6, kernel-rt-debug-core 5.14.0-570.28.1.el9_6, +14 more
    fixed: vendor fix RHSA-2025:11411
show 4 more
  • Red Hat Enterprise Linux Real Time (v. 10) kernel-rt 6.12.0-55.22.1.el10_0, kernel-rt-64k 6.12.0-55.22.1.el10_0, kernel-rt-core 6.12.0-55.22.1.el10_0, kernel-rt-modules 6.12.0-55.22.1.el10_0, kernel-rt-64k-core 6.12.0-55.22.1.el10_0, kernel-rt-debug-core 6.12.0-55.22.1.el10_0, +14 more
    fixed: vendor fix RHSA-2025:11428
  • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-570.28.1.el9_6, kernel-rt-kvm 5.14.0-570.28.1.el9_6, kernel-rt-core 5.14.0-570.28.1.el9_6, kernel-rt-modules 5.14.0-570.28.1.el9_6, kernel-rt-debug-kvm 5.14.0-570.28.1.el9_6, kernel-rt-debug-core 5.14.0-570.28.1.el9_6, +6 more
    fixed: vendor fix RHSA-2025:11411
  • Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt 6.12.0-55.22.1.el10_0, kernel-rt-kvm 6.12.0-55.22.1.el10_0, kernel-rt-core 6.12.0-55.22.1.el10_0, kernel-rt-modules 6.12.0-55.22.1.el10_0, kernel-rt-debug-kvm 6.12.0-55.22.1.el10_0, kernel-rt-debug-core 6.12.0-55.22.1.el10_0, +6 more
    fixed: vendor fix RHSA-2025:11428
  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Linux Linux

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.