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CVE-2021-47296

KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak

Published: 5/21/2024 Last updated: 5/11/2026 Reserved: 5/21/2024

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak vcpu_put is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (4)

Product Vendor Version
Linux Linux 2017.009.20058 and earlier
Linux Linux 2017.008.30051 and earlier
Linux Linux 10 Version 1809 for x64-based Systems
Linux Linux n/a

References (20)