CVE-2026-53200 — KVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX XN has already been extracted from its bitfield positi…
Published: 2026-06-25 · CVSS: 8.8 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX XN has already been extracted from its bitfield position so using FIELD_PREP() on the mask that clears XN[0] is completely broken, having the effect of unconditionally granting execute permissions... Fix the obvious mistake by manipulating the right bit.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7