CVE-2020-15780

 

Published at: - 16-07-2020 12:15

Last modified: - 26-10-2022 01:44

Total changes: - 5

Description

An issue was discovered in drivers/acpi/acpi_configfs.c in the Linux kernel before 5.7.7. Injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75b0cea7bf307f362057cc778efe89af4c615354
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.7
• https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language-2.sh
• https://www.openwall.com/lists/oss-security/2020/06/15/3
• [oss-security] 20200720 Re: Re: lockdown bypass on mainline kernel for loading unsigned modules-Mailing List, Patch, Third Party Advisory
• [oss-security] 20200729 multiple secure boot grub2 and linux kernel vulnerabilities-Mailing List, Third Party Advisory
• [oss-security] 20200730 UEFI SecureBoot bypass fixes rolled out to kernels below radar-Mailing List, Third Party Advisory
• [oss-security] 20200730 Re: UEFI SecureBoot bypass fixes rolled out to kernels below radar-Mailing List, Third Party Advisory
• USN-4439-1-Third Party Advisory
• USN-4425-1-Third Party Advisory
• USN-4426-1-Third Party Advisory
• USN-4440-1-Third Party Advisory
• openSUSE-SU-2020:1153-Mailing List, Third Party Advisory
• openSUSE-SU-2020:1236-Mailing List, Third Party Advisory

 

Keywords

NVD

 

CVE-2020-15780

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures