CVE-2024-46708

What it actually does

The flaw was an erroneous 0x100000 offset in special pin handling within the Qualcomm X1E80100 pinctrl driver, causing invalid register accesses that crashed boards or blocked intended pin state changes from taking effect.

Why it matters to the business

Affected Linux systems on Qualcomm X1E80100 hardware risk instability or crashes during pin configuration, disrupting device operation and requiring urgent kernel updates to restore reliable hardware control.

How an attack unfolds

An attacker with local access or the ability to trigger pin state modifications through kernel interfaces could induce crashes by hitting the bad offset; no widespread remote exploitation or named threat actors are associated with this issue.

How to fix it

Apply the kernel fix from commit 0197bf772f657fbdea5e9bdec5eea6e67d82cbde in the stable tree; update pydio/cells to version 4.2.1 where applicable; test pin functionality after patching.

How to confirm the fix worked

Confirm the pinctrl driver source no longer contains the 0x100000 offset for X1E80100 pins and verify the presence of the referenced commit in the running kernel build.

Typical attack path

1. Locate a vulnerable Linux kernel on Qualcomm X1E80100 hardware
2. Trigger pin configuration via sysfs, device drivers, or boot sequences
3. Cause invalid memory access leading to system crash or failed state changes

How to detect it

Examine kernel logs and dmesg for pinctrl or pin offset errors and crashes on X1E80100 systems prior to the fix; no ransomware or KEV activity reported.

What your security team should do

• Apply kernel updates containing the offset removal on all affected Qualcomm hardware
• Validate post-update stability during pin state transitions
• Review device logs for prior pinctrl-related crashes on X1E80100 platforms