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CVE-2020-15780

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Date: July 15, 2020

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.

Language: C

Severity Score

Related Resources (19)

https://nvd.nist.gov/vuln/detail/CVE-2020-15780
https://www.openwall.com/lists/oss-security/2020/06/15/3
https://usn.ubuntu.com/4439-1/
https://usn.ubuntu.com/4440-1/
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
https://usn.ubuntu.com/4425-1/
http://www.openwall.com/lists/oss-security/2020/07/30/3
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15780
https://access.redhat.com/security/cve/CVE-2020-15780
http://www.openwall.com/lists/oss-security/2020/07/30/2
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
http://www.openwall.com/lists/oss-security/2020/07/20/7
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.7
https://security-tracker.debian.org/tracker/CVE-2020-15780
https://usn.ubuntu.com/4426-1/
http://www.openwall.com/lists/oss-security/2020/07/29/3
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75b0cea7bf307f362057cc778efe89af4c615354
https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language-2.sh
https://www.mend.io/vulnerability-database/CVE-2020-15780

Severity Score

Weakness Type (CWE)

Missing Authorization

CWE-862

Incorrect Authorization

CWE-863

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.8;linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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