CVE-2026-23470: drm/imagination: Fix deadlock in soft reset sequence
In the Linux kernel, the following vulnerability has been resolved:
drm/imagination: Fix deadlock in soft reset sequence
The soft reset sequence is currently executed from the threaded IRQ handler, hence it cannot call disableirq() which internally waits for IRQ handlers, i.e. itself, to complete.
Use disableirqnosync() during a soft reset instead.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-23470?
The severity of CVE-2026-23470 is classified as high due to the potential for a deadlock in soft reset sequence affecting system stability.
How do I fix CVE-2026-23470?
To fix CVE-2026-23470, update the Linux kernel to a version where this vulnerability has been resolved.
What systems are affected by CVE-2026-23470?
CVE-2026-23470 affects the Linux kernel specifically within the drm/imagination components.
Can CVE-2026-23470 lead to system crashes?
Yes, CVE-2026-23470 can lead to system crashes due to deadlocks occurring during the soft reset sequence.
Is there a workaround for CVE-2026-23470?
There is no known workaround for CVE-2026-23470; the best mitigation is to apply the patch provided in a later kernel version.