> CVE-2026-74515

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PUBLISHED
2026-08-15 13:17
MODIFIED
2026-08-15 13:17
EPSS (Prob. Exploit)
0.13%
Top 97.7%
DATA SOURCES:
NVD 🔗 2026-08-15 FIRST EPSS 🔗 2026-10-25 OSV 🔗 2026-08-22

> DESCRIPTION

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled The MPCIFC instruction doesn't allow registering adapter interrupts without first unregistering. So reject any request to enable interrupt forwarding if its already enabled for the zPCI device. This also fixes overwriting and thus leaking resources when the ioctl is called multiple times for the same device.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: kernel security update
An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CV...
Red Hat Security Advisory: kernel-rt security update
An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System...
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 9.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulne...
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 10.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vuln...

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

KVM: s390: pci: Reject adapter interrupt forwarding if already enabled

AFFECTED PACKAGES:
Unknown / Unknown
Linux / Kernel

> HISTORIQUE DES MODIFICATIONS

Première apparition
15/08/2026 13:17
Source: NVD
Total des modifications: 0 Dernière mise à jour: 2 months ago

> REFERENCES

https://git.kernel.org/stable/c/591952b63a9f976da7d49f719f36ec826ee2a575
https://git.kernel.org/stable/c/6837f0ae85fd54cf64c8a0c7c530bba2fae0a207
https://git.kernel.org/stable/c/6be1ff49ba81f96a6fa55915e6d920be43ac57cc
https://git.kernel.org/stable/c/78d9648e7e960546d5b72504a0b0358cd8bb1e9d
https://git.kernel.org/stable/c/8fa01be5a6149404adb82c0979a78f6347edd3ef
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