CVE-2021-43056

Katalog CVE

CVSS 5.5 · Medium EPSS 0,37%

Kerentanan pada linux kernel, fedoraproject fedora. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

28 Oktober 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

EPSS (30 hari)

0,37% peluang dieksploitasi; lebih tinggi dari 28,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15 release notes · advisory vendor
• https://git.kernel.org/linus/cdeb5d7d890e14f3b70e8087e745c4a6a7d9f337 patch · advisory vendor
• http://www.openwall.com/lists/oss-security/2021/10/28/1 mailing list · patch · advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AA7EAPPKWG4LM...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBM4FP3IT3JZ2...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRAIS3PG4EV5W...
• https://lore.kernel.org/linuxppc-dev/87pmrtbbdt.fsf%40mpe.ellerman.id.au/T/#u