CVE-2022-1975 (Medium) detected in linuxlinux-4.19.236

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

CVE-2022-1975 - Medium Severity Vulnerability

Vulnerable Library - linuxlinux-4.19.236

The Linux Kernel

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

Found in HEAD commit: 63ec46be94f7d206b296bb6c7cd636df4b2eaddd

Found in base branch: master

Vulnerable Source Files (1)

Vulnerability Details

In linux kernel before v4.9.313,v4.14.278,v4.19.242,v5.4.193,v5.10.115,v5.15.39,v5.17.7, and v5.18-rc6, the sleep-in-atomic bug in /net/nfc/netlink.c that allows attacker to crash linux kernel by simulating nfc device from user-space. The root cause of this sleep-in-atomic bug is that nlmsg_new with GFP_KERNEL parameter is called in fw_dnld_timeout which is a timer handler.

Publish Date: 2022-06-02

URL: CVE-2022-1975

CVSS 3 Score Details (4.5)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Adjacent - Attack Complexity: Low - Privileges Required: High - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2022-1975

Release Date: 2022-06-02

Fix Resolution: v4.9.313,v4.14.278,v4.19.242,v5.4.193,v5.10.115,v5.15.39,v5.17.7

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