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CVE-2021-43056

CVE-2021-43056

EPSS 0.3%
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.
Productos afectados
n/a · n/a

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Referencias
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15https://git.kernel.org/linus/cdeb5d7d890e14f3b70e8087e745c4a6a7d9f337https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AA7EAPPKWG4LMTQQLNNSKATY6ST2KQFE/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBM4FP3IT3JZ2O7EBS7TEOG657N4ZGRE/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRAIS3PG4EV5WFLYESR6FXWM4BJJGWVA/https://lore.kernel.org/linuxppc-dev/87pmrtbbdt.fsf%40mpe.ellerman.id.au/T/#uhttp://www.openwall.com/lists/oss-security/2021/10/28/1