CVE-2021-43056
- State
- Published
- Severity
- Not scored
- Published
- Oct 28, 2021
- Updated
- Aug 4, 2024
- Reserved
- Oct 28, 2021
Description
An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://git.kernel.org/linus/cdeb5d7d890e14f3b70e8087e745c4a6a7d9f337
- https://lore.kernel.org/linuxppc-dev/87pmrtbbdt.fsf%40mpe.ellerman.id.au/T/#u
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15
- [oss-security] 20211028 Re: Linux kernel: powerpc: KVM guest can trigger host crash on Power8mailing-list
- FEDORA-2021-4320606094vendor-advisory
- FEDORA-2021-ed8c2e1098vendor-advisory
- FEDORA-2021-4fed2b55c4vendor-advisory
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