An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free can occur is there is a disconnect after an open, because of the lack of a wait_event.
: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.
CVE-2022-45919 - High Severity Vulnerability
Vulnerable Library - linux-stable-rtv4.1.33
Julia Cartwright's fork of linux-stable-rt.git
Library home page: https://git.kernel.org/pub/scm/linux/kernel/git/julia/linux-stable-rt.git
Found in HEAD commit: 63ac601c421ad3f087ec68a99300cc5058d1cc54
Found in base branch: master
Vulnerable Source Files (2)
/drivers/media/dvb-core/dvb_ca_en50221.c /drivers/media/dvb-core/dvb_ca_en50221.c
Vulnerability Details
An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free can occur is there is a disconnect after an open, because of the lack of a wait_event.
Publish Date: 2022-11-27
URL: CVE-2022-45919
CVSS 3 Score Details (7.0)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: High - 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-2022-45919
Release Date: 2022-11-27
Fix Resolution: v4.14.317,v4.19.285,v5.4.246,v5.10.183,v5.15.116,v6.1.33,v6.3.7
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