What is the CVSS score of CVE-2022-2652?

CVE-2022-2652 has a CVSS 3.1 base score of 6.0 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2022-2652?

Yes, a public proof-of-concept exploit is available for CVE-2022-2652. Prioritise patching immediately. EPSS: 0.3%.

Is there a patch available for CVE-2022-2652?

Yes, a patch is available for CVE-2022-2652. Update the affected software to the latest version immediately.

V4L2Loopback CVE-2022-2652

MEDIUM

Use of Externally-Controlled Format String (CWE-134)

2022-08-04 security@huntr.dev

Denial Of Service V4L2Loopback

6.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.0 MEDIUM

AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Aug 04, 2022 - 10:15 nvd

MEDIUM 6.0

DescriptionNVD

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).

AnalysisAI

Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. Rated medium severity (CVSS 6.0), this vulnerability is low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-134. 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). Affected products include: V4L2Loopback Project V4L2Loopback.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.