6.9

CVE-2019-20908

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.4
Opensuse ≫ Leap Version 15.1
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.51% 0.396
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.7 0.8 5.9
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NIST 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://usn.ubuntu.com/4427-1/
Third Party Advisory
https://usn.ubuntu.com/4439-1/
Third Party Advisory
https://usn.ubuntu.com/4440-1/
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
Third Party Advisory
Mailing List
https://usn.ubuntu.com/4426-1/
Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/20/6
Third Party Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2020/07/29/3
Third Party Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2020/07/30/2
Third Party Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2020/07/30/3
Third Party Advisory
Mailing List
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4
Vendor Advisory
Release Notes
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e
Patch
Vendor Advisory
https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh
Patch
Third Party Advisory
https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html
Third Party Advisory
Mailing List