CVE-2026-63862

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not found In mtk_pcie_setup_irq(), the IRQ domains are allocated before the controller's IRQ is fetched. If the latter fails, the function directly returns an error, without cleaning up the allocated domains. Hence, reverse the order so that the IRQ domains are allocated after the controller's IRQ is found. This was flagged by Sashiko during a review of "[PATCH v6 0/7] PCI: mediatek-gen3: add power control support".

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EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.06%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/07a5ecb94768cbf76fe659e9924000e9ced0c8a6 https://git.kernel.org/stable/c/0a2d60edc3e57c9512e239ebdfd12204d3368560 https://git.kernel.org/stable/c/215d4273347b9010a9deae378b0df79c163f707d https://git.kernel.org/stable/c/5573c44cb3fd01a9f62d569ae9ac870ef5f0e0ba https://git.kernel.org/stable/c/946b31b5a699a2760ee52af0055e5ebf29c5f4cb https://git.kernel.org/stable/c/abd3c1927d33766aef39c4640880e3d2637429c2

Frequently Asked Questions

What is CVE-2026-63862? +

In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not found In mtk_pcie_setup_irq(), the IRQ domains are allocated before the controller's IRQ is fetched. If the latter fails, the function directly returns an error, without cleaning up the allocated domains. Hence, reverse the order so that the IRQ domains are allocated after the controller's IRQ is found. This was flagged by Sashiko during a review of "[PATCH v6 0/7] PCI: mediatek-gen3: add power control support".

How do I check if I'm vulnerable to CVE-2026-63862? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.