What is CVE-2022-2962?

CVE-2022-2962 is a high-severity vulnerability in Qemu, classified under Uncontrolled Resource Consumption. CVSS score: 7.8/10. Published 2022-09-13.

How severe is CVE-2022-2962?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-2962 known to be exploited?

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

Resource exhaustion in Qemu

CVE-2022-2962

A DMA reentrancy issue was found in the Tulip device emulation in QEMU. When Tulip reads or writes to the rx/tx descriptor or copies the rx/tx frame, it doesn't check whether the destination address is its own MMIO address. This can cause…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (30.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Qemu
N/a Qemu — versions Will be fixed in QEMU 7.2.0-rc0

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-2962?: CVE-2022-2962 is a high-severity vulnerability in Qemu, classified under Uncontrolled Resource Consumption. CVSS score: 7.8/10. Published 2022-09-13.
How severe is CVE-2022-2962?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-2962 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.