Vulnerability Monitor

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CVE-2021-38160

In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size. NOTE: the vendor indicates that the cited data corruption is not a vulnerability in any existing use case; the length validation was added solely for robustness in the face of anomalous host OS behavior

Published

2021-08-07T04:15:06.967

Last Modified

2025-05-05T14:12:40.937

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-120
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 4.4.276 Yes
Operating System linux linux_kernel < 4.9.276 Yes
Operating System linux linux_kernel < 4.14.240 Yes
Operating System linux linux_kernel < 4.19.198 Yes
Operating System linux linux_kernel < 5.4.134 Yes
Operating System linux linux_kernel < 5.10.52 Yes
Operating System linux linux_kernel < 5.12.19 Yes
Operating System linux linux_kernel < 5.13.4 Yes
Operating System netapp hci_bootstrap_os - Yes
Hardware netapp hci_compute_node - No
Application netapp hci_management_node - Yes
Application netapp solidfire - Yes
Hardware netapp hci_storage_node - No
Application netapp element_software - Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
References