CVE-2026-98898 Linux CVE debrief

Who should care

Linux system administrators, security teams, and developers working with the Linux kernel should assess exposure and verify if their systems are using affected versions. They should prioritize reviewing and applying patches from the Linux kernel maintainers.

Why it matters

Linux system administrators and security teams should assess exposure and verify if their systems are using affected versions of the Linux kernel. The vulnerability has been addressed through a series of commits, and patches should be applied to prevent potential issues.

• Verify if DPM is turned off with the amdgpu.dpm=0 module parameter and assess potential impact.
• Review Linux kernel versions and compare with known affected versions to determine exposure.
• Apply patches from Linux kernel maintainers to address the vulnerability.
• Monitor system logs for potential issues related to the drm/amd/pm/si component.

Technical summary

The Linux kernel vulnerability (CVE-2026-98898) is related to the drm/amd/pm/si component. When DPM is turned off with the amdgpu.dpm=0 module parameter, the thermal work queue isn't initialized. The system shouldn't schedule any work on it. This issue has been addressed through a series of commits: 2c08ae91df3cf11d517dc1273195f7b1df2a0ddb, 7987c5abdf537663b0957de521edefe77ae12842, 8c9e7265b3379eb2ce1758b73c4ffa2606ae2256, 2750f52b58d92ca52a5496c00db8abf925103a27, ac0250da54afb519fab98478e2e1d9e51d4737fd, 52c4c623474df0e19efa158057966f2a149bda28, and f8922d5a946699fc2bdc7660e6778bd6726bf8b8.

Defensive priority

Linux system administrators and security teams should assess exposure and verify if their systems are using affected versions of the Linux kernel. They should prioritize reviewing and applying patches from the Linux kernel maintainers.

Recommended defensive actions

• Review Linux kernel versions and compare with known affected versions.
• Apply patches from Linux kernel maintainers if available.
• Monitor system logs for potential issues related to the drm/amd/pm/si component.
• Verify if DPM is turned off with the amdgpu.dpm=0 module parameter.
• Perform a thorough review of system configurations to identify potential exposure.
• Check for any existing compensating controls that may mitigate the vulnerability.
• Track the status of remediation efforts and verify their effectiveness.

Evidence notes

The CVE record and source item provide details about the vulnerability and its resolution. However, the corpus does not establish specific versions that are affected or provide information on exploitation. The evidence is based on official CVE Program and Linux kernel sources.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.