Description
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.
Published: 2020-07-15
Score: 6.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2019-11442 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.
Ubuntu USN Ubuntu USN USN-4426-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4427-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4439-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4440-1 linux kernel vulnerabilities
History

No history.

Subscriptions

Canonical Ubuntu Linux
Linux Linux Kernel
Opensuse Leap
Redhat Enterprise Linux Rhel E4s Rhel Eus
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:53:09.612Z

Reserved: 2020-07-15T00:00:00.000Z

Link: CVE-2019-20908

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-07-15T22:15:13.780

Modified: 2024-11-21T04:39:39.697

Link: CVE-2019-20908

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-08-19T00:00:00Z

Links: CVE-2019-20908 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses