How severe is CVE-2022-2652?

CVE-2022-2652 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2022-2652 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2652?

CVE-2022-2652 affects V4l2loopback Project V4l2loopback. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-2652?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-2652 published?

CVE-2022-2652 was published on 2022-08-04 and last updated on 2026-06-17.

CVE-2022-2652

CVE-2022-2652 is a medium-severity vulnerability in V4l2loopback Project V4l2loopback with a CVSS 3.x base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: V4l2loopback Project V4l2loopback
Published: 2022-08-04
Last modified: 2026-06-17

Description

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).

Frequently asked questions

What is CVE-2022-2652?: 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).
How severe is CVE-2022-2652?: CVE-2022-2652 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2022-2652 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2652?: CVE-2022-2652 affects V4l2loopback Project V4l2loopback. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-2652?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-2652 published?: CVE-2022-2652 was published on 2022-08-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:v4l2loopback_project:v4l2loopback:*:*:*:*:*:*:*:*

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CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…

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