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CVE-2022-41218

Date: September 20, 2022

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.

Language: C

Severity Score

5.5

Related Resources (15)

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-41218

Url: https://access.redhat.com/security/cve/CVE-2022-41218

Url: https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/

Url: http://www.openwall.com/lists/oss-security/2022/09/24/1

Url: http://www.openwall.com/lists/oss-security/2022/09/24/2

Url: http://www.openwall.com/lists/oss-security/2022/09/23/4

Url: https://www.debian.org/security/2023/dsa-5324

Url: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c

Url: https://security-tracker.debian.org/tracker/CVE-2022-41218

Url: https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html

Url: https://lore.kernel.org/all/20220908132754.30532-1-tiwai@suse.de/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-41218

Url: https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html

Url: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792

Url: https://www.mend.io/vulnerability-database/CVE-2022-41218

Severity Score

5.5

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

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