CVE-2022-2652: high-severity vulnerability in umlaeute/v4l2loopback
Use of Externally-Controlled Format String in umlaeute/v4l2loopback
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 0.3%
Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L
Affected products
umlaeute · umlaeute/v4l2loopback