CVE-2026-98004

In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: Serialize command queue publishing Serialize command queue publishing so software producer state advances only after a command is written and the hardware tail is updated. Wait for hardware consumption outside the queue lock when the command queue is full so other CPUs are not blocked behind a long poll.

Package Linux Kernel
Published 2026-09-25
Last modified 2026-09-25
Patch available
Yes

Affected versions

Linux kernel versions 6.13 and later are affected. Fixed in 7.2.7, 7.3-rc3 and their respective stable series.

Affected from
≥ 6.13
Fixed in
✓ 7.2.7 7.2.x ✓ 7.3-rc3

References

2 total

Frequently asked questions

  • What is CVE-2026-98004?

    CVE-2026-98004 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.13 onward and has been patched in 7.2.7 and 7.3-rc3. CVE-2026-98004 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-98004?

    Yes. CVE-2026-98004 has been patched. Fixed versions include 7.2.7 and 7.3-rc3. If you are running Linux kernel 6.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-98004 actively exploited?

    No. CVE-2026-98004 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Back to
All CVEs
View on
NVD / NIST