CVE-2022-2308

Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 01 Sept 2022, 20:01
Last modified:03 Aug 2024, 00:32

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.1% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

01 Sept 2022, 20:01
Published
Vulnerability first disclosed
03 Aug 2024, 00:32
Last Modified
Vulnerability information updated

Description

A flaw was found in vDPA with VDUSE backend. There are currently no checks in VDUSE kernel driver to ensure the size of the device config space is in line with the features advertised by the VDUSE userspace application. In case of a mismatch, Virtio drivers config read helpers do not initialize the memory indirectly passed to vduse_vdpa_get_config() returning uninitialized memory from the stack. This could cause undefined behavior or data leaks in Virtio drivers.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS Trends

Current EPSS score: 0.10%• Percentile: 26%

Techniques & Countermeasures

  • CWE-908•Use of Uninitialized Resource

    The product uses or accesses a resource that has not been initialized.

  • CWE-457•Use of Uninitialized Variable

    The code uses a variable that has not been initialized, leading to unpredictable or unintended results.

Affected Systems

  • linux•linux_kernel

    na

References (1)