CVE-2020-25669 (High) detected in linuxlinux-4.19.238

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

CVE-2020-25669 - High Severity Vulnerability

Vulnerable Library - linuxlinux-4.19.238

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 05c0743befb9102e2ecb9fbd0fa8eb43eb8bb5ec

Found in base branch: master

Vulnerable Source Files (2)

/drivers/input/keyboard/sunkbd.c /drivers/input/keyboard/sunkbd.c

Vulnerability Details

A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

Publish Date: 2021-05-26

URL: CVE-2020-25669

CVSS 3 Score Details (7.8)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - 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://www.linuxkernelcves.com/cves/CVE-2020-25669

Release Date: 2021-05-26

Fix Resolution: v4.4.245, v4.9.245, v4.14.208, v4.19.159, v5.4.79, v5.9.10, v5.10-rc5

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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.