CVE-2024-53134
Description
A flaw was found in the Linux kernel's i.MX93 power domain driver. An improper loop condition in the device removal routine prevents the loop from terminating. A local attacker could exploit this flaw during device unbinding or removal to trigger a kernel panic, resulting in a Denial of Service (DoS).
Mitigation
Prevent the imx93_blk_ctrl kernel module from loading by adding a configuration file in /etc/modprobe.d/:
1. Blacklist the module:
echo "install imx93_blk_ctrl /bin/true" >> /etc/modprobe.d/disable-imx93_blk_ctrl.conf
2. A system reboot is required to ensure the module is not active without executing the vulnerable teardown path:
reboot
Caveats:
Disabling this module will disable power domain management on NXP i.MX93 hardware platforms, preventing dependent on-chip peripherals from operating properly. Systems not utilizing NXP i.MX93 hardware are unaffected and do not require this module.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 5.5 | 5.5 | 5.5 |
| Attack Vector | Local | Local | Local |
| Attack Complexity | Low | Low | Low |
| Privileges Required | Low | Low | Low |
| User Interaction | None | None | None |
| Scope | Unchanged | Unchanged | Unchanged |
| Confidentiality | None | None | None |
| Integrity Impact | None | None | None |
| Availability Impact | High | High | High |
Vector
Red Hat: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
cve.org: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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