Description
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
References (7)
Core 7
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/d00d8da5869a2608e97cfede094dfc5e11462a46
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
Third Party Advisory x_refsource_misc
https://access.redhat.com/security/cve/cve-2021-38160
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210902-0010/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4978
Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
Scores
CVSS v3
7.8
EPSS
0.0004
EPSS Percentile
11.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-120
Status
published
Products (8)
debian/debian_linux
9.0
debian/debian_linux
10.0
linux/linux_kernel
2.6.24 - 4.4.276
netapp/element_software
netapp/hci_bootstrap_os
netapp/hci_management_node
netapp/solidfire
redhat/enterprise_linux
8.0
Published
Aug 07, 2021
Tracked Since
Feb 18, 2026