What is CVE-2022-2211?

CVE-2022-2211 is a medium-severity vulnerability in Libguestfs, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2022-07-12.

How severe is CVE-2022-2211?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2022-2211 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Libguestfs

CVE-2022-2211

A vulnerability was found in libguestfs. This issue occurs while calculating the greatest possible number of matching keys in the get_keys() function. This flaw leads to a denial of service, either by mistake or malicious actor.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (55.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Libguestfs
Redhat Enterprise_linux — versions 8.0, 9.0
N/a Libguestfs — versions none

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

secalert@redhat.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-2211?: CVE-2022-2211 is a medium-severity vulnerability in Libguestfs, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2022-07-12.
How severe is CVE-2022-2211?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2022-2211 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.