Vulnerability DatabaseCVE-2022-41218
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CVE-2022-41218
Published:September 21, 2022
Updated:April 23, 2026
In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused by refcount races, affecting dvb_demux_open and dvb_dmxdev_release.
Related Resources (13)
https://access.redhat.com/security/cve/CVE-2022-41218
https://security-tracker.debian.org/tracker/CVE-2022-41218
https://lore.kernel.org/all/20220908132754.30532-1-tiwai@suse.de/
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-41218
http://www.openwall.com/lists/oss-security/2022/09/24/1
https://www.debian.org/security/2023/dsa-5324
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
http://www.openwall.com/lists/oss-security/2022/09/23/4
http://www.openwall.com/lists/oss-security/2022/09/24/2
https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
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CVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
0.43