CVE-2022-26353

Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 16 Mar 2022, 14:02
Last modified:03 Aug 2024, 05:03

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.24% LOW
0% probability -0.09%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Mar 2022, 14:02
Published
Vulnerability first disclosed
03 Aug 2024, 05:03
Last Modified
Vulnerability information updated

Description

A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEMU version: 6.2.0.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.24%• Percentile: 47%

Techniques & Countermeasures

  • CWE-772•Missing Release of Resource after Effective Lifetime

    The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

Affected Systems

  • debian•debian_linux

    11.0

  • qemu•qemu

    6.2.0

References (5)