CVE-2020-27777

Katalog CVE

CVSS 6.7 · Medium EPSS 0,48%

Kerentanan Missing Authorization pada linux kernel, redhat openshift container platform +1 lainnya. Skor CVSS 3.1 6.7 (Medium) menurut NVD.

Deskripsi (NVD)

A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down (usually due to Secure Boot) guest system running on top of PowerVM or KVM hypervisors (pseries platform) a root like local user could use this flaw to further increase their privileges to that of a running kernel.

Rincian

Terbit di NVD

15 Desember 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-862: Missing Authorization

EPSS (30 hari)

0,48% peluang dieksploitasi; lebih tinggi dari 39,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=bd59380c5ba4147dcbaad3e582... exploit · patch · advisory vendor
• https://bugzilla.redhat.com/show_bug.cgi?id=1900844 issue tracking · patch · advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2020/10/09/1 exploit · mailing list · patch · advisory pihak ketiga
• https://www.openwall.com/lists/oss-security/2020/11/23/2 mailing list · advisory pihak ketiga