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.
CVE-2022-1975 - Medium 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 (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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