CVE-2020-26541 (Medium) detected in linux-stable-rtv4.1

[mend-bolt-for-github[bot]]

CVE-2020-26541 - Medium Severity Vulnerability

Vulnerable Library - linux-stable-rtv4.1

Library home page: https://git.kernel.org/pub/scm/linux/kernel/git/zanussi/linux-stable-rt.git

Found in HEAD commit: d320b28538efef34097703b1fd51d4131f87b779

Found in base branch: master

Vulnerable Source Files (2)

/include/keys/system_keyring.h /include/keys/system_keyring.h

Vulnerability Details

The Linux kernel through 5.8.13 does not properly enforce the Secure Boot Forbidden Signature Database (aka dbx) protection mechanism. This affects certs/blacklist.c and certs/system_keyring.c.

Publish Date: 2020-10-02

URL: CVE-2020-26541

CVSS 3 Score Details (6.5)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: High - User Interaction: Required - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://nvd.nist.gov/vuln/detail/CVE-2020-26541

Release Date: 2020-10-05

Fix Resolution: kernel-debug-modules-extra - 4.18.0-147.51.1,4.18.0-193.60.2,4.18.0-147.51.1,4.18.0-147.51.1;kernel-rt-debuginfo - 4.18.0-193.60.2.rt13.112;kernel-zfcpdump-devel - 4.18.0-193.60.2,4.18.0-147.51.1;perf - 4.18.0-305.7.1,4.18.0-193.60.2,4.18.0-147.51.1,4.18.0-193.60.2,4.18.0-147.51.1;kernel-zfcpdump-modules-extra - 4.18.0-147.51.1,4.18.0-305.7.1,4.18.0-193.60.2;kernel-debuginfo - 4.18.0-193.60.2,4.18.0-147.51.1,4.18.0-305.7.1;kernel-debug-devel - 4.18.0-147.51.1,4.18.0-305.7.1,4.18.0-193.60.2,4.18.0-305.7.1,4.18.0-193.60.2,4.18.0-147.51.1,4.18.0-193.60.2,4.18.0-147.51.1,4.18.0-193.60.2,4.18.0-305.7.1,4.18.0-305.7.1,4.18.0-147.51.1;bpftool - 4.18.0-305.7.1,4.18.0-147.51.1,4.18.0-193.60.2,4.18.0-147.51.1,4.18.0-147.51.1,4.18.0-305.7.1,4.18.0-305.7.1,4.18.0-193.60.2,4.18.0-193.60.2,4.18.0-305.7.1,4.18.0-147.51.1,4.18.0-193.60.2;kernel-rt-debug-core - 4.18.0-193.60.2.rt13.112,4.18.0-305.7.1.rt7.79;kernel-tools-libs - 4.18.0-305.7.1,4.18.0-147.51.1,4.18.0-147.51.1,4.18.0-193.60.2,4.18.0-147.51.1,4.18.0-193.60.2,4.18.0-193.60.2,4.18.0-305.7.1,4.18.0-305.7.1;perf-debuginfo - 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[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.

[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.