vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-48632

i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()

HIGH
7.8
CVSS Score
Published: April 28, 2024 at 12:59 PM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() memcpy() is called in a loop while 'operation->length' upper bound is not checked and 'data_idx' also increments.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.10 ≤ v < 5.10.1465.10 ≤ v < 5.15.715.10 ≤ v < 5.19.125.10 ≤ v < 6.05.11 ≤ v < 5.15.715.16 ≤ v < 5.19.126.0 rc16.0 rc26.0 rc36.0 rc46.0 rc56.0 rc6b5b5b32081cd206baa6e58cca7f112d9723785d6
Vendor states this is fixed in 3b5ab5fbe69ebbee5692c72b05071a43fc0655d8 (fixed)
Vendor states this is fixed in 48ee0a864d1af02eea98fc825cc230d61517a71e (fixed)
Vendor states this is fixed in dc2a0c587006f29b724069740c48654b9dcaebd2 (fixed)
Vendor states this is fixed in de24aceb07d426b6f1c59f33889d6a964770547b (fixed)
Vendor states this is fixed in 5.10 (unaffected)
Vendor states this is fixed in 5.10.146 (unaffected)
Vendor states this is fixed in 5.15.71 (unaffected)
Vendor states this is fixed in 5.19.12 (unaffected)
Vendor states this is fixed in 6.0 (unaffected)

References (4)

Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3b5ab5fbe69ebbee5692c72b05071a43fc0655d8
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/48ee0a864d1af02eea98fc825cc230d61517a71e
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/dc2a0c587006f29b724069740c48654b9dcaebd2
Mailing ListPatch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/de24aceb07d426b6f1c59f33889d6a964770547b

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card