Linux kernel Heap Buffer Overflow DoS

The vulnerability in the msixcapabilityinit function within the drivers/pci/msi/msi.c component of the Linux kernel operating system is related to insufficient resource control during its existence. Exploitation of this vulnerability may allow an attacker to cause a denial of service...

UBUNTU-CVE-2026-80620

In the Linux kernel, the following vulnerability has been resolved: Revert "PCI/MSI: Unmap MSI-X region on error" This reverts commit 1a8d4c6ecb4c81261bcdf13556abd4a958eca202. Commit 1a8d4c6ecb4c "PCI/MSI: Unmap MSI-X region on error" added an iounmapdev-msixbase on the error path of...

CVE-2026-80620

In the Linux kernel, the following vulnerability has been resolved: Revert "PCI/MSI: Unmap MSI-X region on error" This reverts commit 1a8d4c6ecb4c81261bcdf13556abd4a958eca202. Commit 1a8d4c6ecb4c "PCI/MSI: Unmap MSI-X region on error" added an iounmapdev-msixbase on the error path of...

CVE-2026-80620 Revert "PCI/MSI: Unmap MSI-X region on error"

In the Linux kernel, the following vulnerability has been resolved: Revert "PCI/MSI: Unmap MSI-X region on error" This reverts commit 1a8d4c6ecb4c81261bcdf13556abd4a958eca202. Commit 1a8d4c6ecb4c "PCI/MSI: Unmap MSI-X region on error" added an iounmapdev-msixbase on the error path of...

CVE-2026-80620: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Revert "PCI/MSI: Unmap MSI-X region on error" This reverts commit 1a8d4c6ecb4c81261bcdf13556abd4a958eca202. Commit 1a8d4c6ecb4c "PCI/MSI: Unmap MSI-X region on error" added an iounmapdev-msixbase on the error path of...