CVE-2019-20908

Katalog CVE

CVSS 6.7 · Medium EPSS 0,54%

Kerentanan pada linux kernel, opensuse leap +1 lainnya. Skor CVSS 3.1 6.7 (Medium) menurut NVD.

Deskripsi (NVD)

An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032.

Rincian

Terbit di NVD

15 Juli 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

EPSS (30 hari)

0,54% peluang dieksploitasi; lebih tinggi dari 43,6% 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-5.4 release notes · advisory vendor
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643... patch · advisory vendor
• https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh patch · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2020/07/20/6 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2020/07/29/3 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2020/07/30/2 mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2020/07/30/3 mailing list · advisory pihak ketiga
• https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html mailing list · advisory pihak ketiga
• https://usn.ubuntu.com/4426-1/ advisory pihak ketiga
• https://usn.ubuntu.com/4427-1/ advisory pihak ketiga
• https://usn.ubuntu.com/4439-1/ advisory pihak ketiga
• https://usn.ubuntu.com/4440-1/ advisory pihak ketiga