Unrated severityNVD Advisory· Published Oct 28, 2025· Updated Apr 15, 2026
CVE-2025-40065
CVE-2025-40065
Description
In the Linux kernel, the following vulnerability has been resolved:
RISC-V: KVM: Write hgatp register with valid mode bits
According to the RISC-V Privileged Architecture Spec, when MODE=Bare is selected,software must write zero to the remaining fields of hgatp.
We have detected the valid mode supported by the HW before, So using a valid mode to detect how many vmid bits are supported.
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Affected products
4- osv-coords3 versionspkg:linux/kernelpkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-source-longterm&distro=openSUSE%20Tumbleweed
>= 5.16.0, < 6.17.3+ 2 more
- (no CPE)range: >= 5.16.0, < 6.17.3
- (no CPE)range: < 6.17.7-1.1
- (no CPE)range: < 6.18.16-1.1
Patches
Vulnerability mechanics
References
2News mentions
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