CVE-2026-93180
In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix NPD issue on partial unmap of an evicted BO This commit fixes the NULL pointer dereference issue that would ha…
Overview
CVE-2026-93180 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/panthor: Fix NPD issue on partial unmap of an evicted BO
This commit fixes the NULL pointer dereference issue that would have
happened on the split of GPU mapping due to partial unmap of an evicted
BO. There is a logic to handle the partial unmap of huge pages when the
GPU mapping is split. That logic was not being completely skipped for
the VMA of an evicted BO and that resulted in a NPD possibility for the
'bo->backing.pages' pointer, which is set to NULL when pages of a
BO are released on eviction.
Following dump was seen when a partial unmap was exercised for an
evicted BO.
Unable to handle kernel paging request at virtual address 0000000000002000
Mem abort info:
ESR = 0x0000000096000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
Data abort info:
ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAcc
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-2026-93180?
CVE-2026-93180 is a known-severity vulnerability. It was published on September 17, 2026.
How severe is CVE-2026-93180?
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-2026-93180?
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-2026-93180?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-93180 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.