CVE-2026-98469Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's Kernel-based Virtual Machine (KVM) subsystem for ARM64 architectures. Improper handling of specific debug register accesses in 32-bit ARM (AArch32) mode causes the hypervisor to encounter an internal …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 5.5
none → medium
Last analysed / modified upstream
5.5 → 7.1
medium → high
7.1 → 5.5
high → medium
A flaw was found in the Linux kernel's Kernel-based Virtual Machine (KVM) subsystem for ARM64 architectures. Improper handling of specific debug register accesses in 32-bit ARM (AArch32) mode causes the hypervisor to encounter an internal assertion failure. A user inside a guest virtual machine can exploit this vulnerability by accessing these registers, leading to immediate termination of the virtual machine and resulting in a Denial of Service (DoS).
kernel: KVM: arm64: Fix AArch32 DBGBXVR<n> handling — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-24.
Affected:
No fix planned:
Not affected:
Fix deferred
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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