Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Validate irqchip index in irqfd routing Sashiko reported that… (CVE-2026-72295)
In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Validate irqchip index in irqfd routing Sashiko reported that the irqchip index is not validated for LoongArch. Add validation and reject out-of-range irqchip indexes to avoid indexing past the routing table's chip array.
AI Analysis
Technical Summary
The vulnerability in the Linux kernel's KVM subsystem for LoongArch involved a lack of validation for the irqchip index used in irqfd routing. Without proper validation, out-of-range irqchip indexes could be used, potentially causing indexing beyond the bounds of the routing table's chip array. This flaw was reported by Sashiko and has been fixed by adding validation to reject invalid irqchip indexes.
Potential Impact
The impact involves potential improper memory access due to out-of-bounds indexing in the irqfd routing table for LoongArch KVM. The exact consequences are not detailed in the provided data, but such flaws can lead to stability issues or security risks related to kernel memory corruption.
Mitigation Recommendations
A fix has been implemented in the Linux kernel to validate irqchip indexes and reject out-of-range values. Users should update to the fixed kernel version once available. Patch status is not explicitly confirmed in the provided data; therefore, check the official Linux kernel advisories or vendor updates for the exact fixed versions and remediation guidance.
Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Validate irqchip index in irqfd routing Sashiko reported that… (CVE-2026-72295)
Description
In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Validate irqchip index in irqfd routing Sashiko reported that the irqchip index is not validated for LoongArch. Add validation and reject out-of-range irqchip indexes to avoid indexing past the routing table's chip array.
CVSS v3.1
Score 8.8high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in the Linux kernel's KVM subsystem for LoongArch involved a lack of validation for the irqchip index used in irqfd routing. Without proper validation, out-of-range irqchip indexes could be used, potentially causing indexing beyond the bounds of the routing table's chip array. This flaw was reported by Sashiko and has been fixed by adding validation to reject invalid irqchip indexes.
Potential Impact
The impact involves potential improper memory access due to out-of-bounds indexing in the irqfd routing table for LoongArch KVM. The exact consequences are not detailed in the provided data, but such flaws can lead to stability issues or security risks related to kernel memory corruption.
Mitigation Recommendations
A fix has been implemented in the Linux kernel to validate irqchip indexes and reject out-of-range values. Users should update to the fixed kernel version once available. Patch status is not explicitly confirmed in the provided data; therefore, check the official Linux kernel advisories or vendor updates for the exact fixed versions and remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-xrj6-m35p-fmrw
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-72295"]
Threat ID: 6a808b71bf8831d5394fc073
Added to database: 08/15/2026, 15:53:21 UTC
Last enriched: 08/15/2026, 16:38:18 UTC
Last updated: 09/30/2026, 09:47:10 UTC
Views: 49
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