What is CVE-2026-72290?

CVE-2026-72290 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 6.0 onward and patched in 6.1.178, 6.6.145, 6.12.97 and others. CVE-2026-72290 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-72290?

CVE-2026-72290 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-72290?

Yes, CVE-2026-72290 has been patched. Fixed versions include 6.1.178, 6.6.145, 6.12.97 and others. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-72290 actively exploited?

CVE-2026-72290 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-72290

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix GISC refcount leak on AIF enable failure kvm_s390_gisc_register() registers the guest ISC before pinning the guest interrupt forwarding pages and allocating the AISB bit. If any of the later setup steps fails, the function unwinds the pinned pages and other local state, but does not unregister the GISC reference. Add the missing kvm_s390_gisc_unregister() to the error unwind path.

Package Linux Kernel

Published 2026-08-15

Last modified 2026-08-15

Patch available

Yes

Affected versions

Linux kernel versions 6.0 and later are affected. Fixed in 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2-rc4 and their respective stable series.

Affected from

≥ 6.0

Fixed in

✓ 6.1.178 6.1.x ✓ 6.6.145 6.6.x ✓ 6.12.97 6.12.x ✓ 6.18.40 6.18.x ✓ 7.1.5 7.1.x ✓ 7.2-rc4

References

6 total

Showing 5 of 6 references View all on NVD

Frequently asked questions

What is CVE-2026-72290?

CVE-2026-72290 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.0 onward and has been patched in 6.1.178, 6.6.145, 6.12.97 and others. CVE-2026-72290 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-72290?

Yes. CVE-2026-72290 has been patched. Fixed versions include 6.1.178, 6.6.145, 6.12.97 and others. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-72290 actively exploited?

No. CVE-2026-72290 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.