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CVE-2022-41218

Good to know:

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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

Related Resources (15)

https://nvd.nist.gov/vuln/detail/CVE-2022-41218
https://access.redhat.com/security/cve/CVE-2022-41218
https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
http://www.openwall.com/lists/oss-security/2022/09/24/1
http://www.openwall.com/lists/oss-security/2022/09/24/2
http://www.openwall.com/lists/oss-security/2022/09/23/4
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://security-tracker.debian.org/tracker/CVE-2022-41218
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
https://lore.kernel.org/all/20220908132754.30532-1-tiwai@suse.de/
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-41218
https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
https://www.mend.io/vulnerability-database/CVE-2022-41218

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version v4.14.303,v4.19.270,v5.4.229,v5.10.163,v5.15.87,v6.0.18,v6.1.4,v6.2-rc1

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CVSS v3.1

Base Score:
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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