CVE-2026-93068
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix DM I2C teardown race DM I2C adapters can remain visible to userspace while DM teardown is already in progr…
Overview
CVE-2026-93068 is a known-severity vulnerability. It was published on September 17, 2026.
Technical description
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix DM I2C teardown race
DM I2C adapters can remain visible to userspace while DM teardown is
already in progress. A concurrent i2c-dev transfer may then enter
amdgpu_dm_i2c_xfer() after the backing DM state has been torn down,
leading to a NULL pointer dereference.
Create a devres group around the DM I2C adapter lifetime and release it
at the start of dm_hw_fini(), before HPD, IRQ, and DM state are torn
down. This removes the I2C adapters first and waits for in-flight users
to drain before the structures used by amdgpu_dm_i2c_xfer() disappear.
This fixes a teardown ordering race seen during device removal:
BUG: kernel NULL pointer dereference
RIP: amdgpu_dm_i2c_xfer+0x122/0x1c0 [amdgpu]
Call Trace:
__i2c_transfer
i2c_transfer
i2cdev_ioctl_rdwr
Remediation
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
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Frequently asked questions
What is CVE-2026-93068?
CVE-2026-93068 is a known-severity vulnerability. It was published on September 17, 2026.
How severe is CVE-2026-93068?
CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.
How do I fix or remediate CVE-2026-93068?
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-93068?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-93068 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.