cve/2025/CVE-2025-21950.md
2025-09-29 21:09:30 +02:00

1.1 KiB

CVE-2025-21950

Description

In the Linux kernel, the following vulnerability has been resolved:drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmd_ioctlIn the "pmcmd_ioctl" function, three memory objects allocated bykmalloc are initialized by "hcall_get_cpu_state", which are thencopied to user space. The initializer is indeed implemented in"acrn_hypercall2" (arch/x86/include/asm/acrn.h). There is a risk ofinformation leakage due to uninitialized bytes.

POC

Reference

No PoCs from references.

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