CVE-2021-30002

low-risk
Published 2021-04-02

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.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.2/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Debian Linux

References (8)

Issue Tracking https://bugzilla.suse.com/show_bug.cgi?id=1184120
Patch https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.3
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb...
Third Party Advisory https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
Issue Tracking https://bugzilla.suse.com/show_bug.cgi?id=1184120
Patch https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.3
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb...
Third Party Advisory https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
27
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low