CVE-2021-30002 is a memory leak vulnerability in the Linux kernel, specifically affecting versions prior to 5.11.3, when a webcam device is present. This flaw, located in the video_usercopy function within drivers/media/v4l2-core/v4l2-ioctl.c, can lead to a denial of service (DoS) due to large arguments. Rated as Medium severity (CVSS 6.2), it requires local access but does not involve user interaction, impacting system availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.11.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2021-30002
Mar 14, 2023An 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.
Apr 13, 2021kernel: memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c
Apr 2, 2021