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VULNERABILITIES

CVE-2026-72290 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/3882224b0e714f34de91e5f28307c5d3fccfe8f8 kernel.org
https://git.kernel.org/stable/c/5fb75c5272950b3ebe8bdee7abfdafd44f38313b kernel.org
https://git.kernel.org/stable/c/6cd6e1c978784eec9032e2fe94a53e62b674fe3e kernel.org
https://git.kernel.org/stable/c/6e69317cd44a2f21f8f7a9d93eb3220e868adfa8 kernel.org
https://git.kernel.org/stable/c/7b69729046a4c58f4cb457184e5ac4aaa179bff4 kernel.org

see all 6 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-72290
NVD Published Date:
Aug 15, 2026
NVD Last Modified:
Aug 17, 2026
Source:
kernel.org
CVE-2026-72290 Details - Not Deferred