Vulnerability Description
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.
References
- https://git.kernel.org/stable/c/49b32ddb87a3a109afecea89e55d70f73956b8bc
- https://git.kernel.org/stable/c/b95976c2ea446044553a5f469c0bae13553d75ab
FAQ
What is CVE-2026-53200?
CVE-2026-53200 is a documented vulnerability. 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(...
How severe is CVE-2026-53200?
CVSS scoring is not yet available for CVE-2026-53200. Check NVD for updates.
Is there a patch for CVE-2026-53200?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.