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CVE-2021-30002

Good to know:

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Date: April 1, 2021

An issue was discovered in the Linux kernel before 5.11.3 when a webcam device exists. video_usercopy in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, aka CID-fb18802a338b.

Language: C

Severity Score

Related Resources (9)

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb18802a338b36f675a388fc03d2aa504a0d0899
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-30002
https://access.redhat.com/security/cve/CVE-2021-30002
https://nvd.nist.gov/vuln/detail/CVE-2021-30002
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.3
https://security-tracker.debian.org/tracker/CVE-2021-30002
https://bugzilla.suse.com/show_bug.cgi?id=1184120
https://www.mend.io/vulnerability-database/CVE-2021-30002

Severity Score

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

Missing Release of Resource after Effective Lifetime

CWE-772

Top Fix

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CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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