UNKNOWN NVD
CVE-2026-98877
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v4: Don't advertise VLPIs if no ITS is probed When accidentally setting “kvm-a
In the Linux kernel, the following vulnerability has been resolved:
irqchip/gic-v4: Don't advertise VLPIs if no ITS is probed
When accidentally setting “kvm-arm.vgic_v4_enable=1” on a system that has
no MSI controller device tree node and GICv4, it results a panic as
“gic_domain” is NULL and the kernel attempts to access it.
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000028
Mem abort info:
ESR = 0x0000000096000006
CPU: 1 UID: 0 PID: 295 Comm: lkvm-static Not tainted 7.1.0-rc4-ge3f15ad3970e #5 PREEMPT
Hardware name: linux,dummy-virt (DT)
pstate: 81402005 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : __irq_domain_instantiate+0x1d4/0x578
lr : __irq_domain_instantiate+0x1cc/0x578
Set vLPI support to false at init time if the host has no ITS, so it
propagates properly to kvm_vgic_global_state.has_gicv4.
References
- https://git.kernel.org/stable/c/3e4cae9f1472ba3c9fe87edee24074618b51f537
- https://git.kernel.org/stable/c/4761493dd663443f7353c184e6fa16e1cb3ac5a1
- https://git.kernel.org/stable/c/a2508b8855acc96abe69be73b41b672f1ef12516
- https://git.kernel.org/stable/c/ab233119a19716b8f33e73ea7e092e0eb353cfbf
- https://git.kernel.org/stable/c/c8a911b3b07baa0aeb3dbc4e16a4670bd21bed40
This unknown severity vulnerability was published on 2026-10-23 via NVD.
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