SB2024091890 - NULL pointer dereference in Linux kernel iio driver



SB2024091890 - NULL pointer dereference in Linux kernel iio driver

Published: September 18, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024091890
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2024-46715)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the EXPORT_SYMBOL_GPL(), iio_channel_read() and iio_channel_read_avail() functions in drivers/iio/inkern.c, within the iio_ev_state_store(), iio_ev_state_show() and iio_ev_value_show() functions in drivers/iio/industrialio-event.c, within the iio_read_channel_info() and iio_read_channel_info_avail() functions in drivers/iio/industrialio-core.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.