Vulnerability Details : CVE-2021-38160
** DISPUTED ** 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.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2021-38160
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 12 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-38160
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
[email protected] |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
[email protected] |
CWE ids for CVE-2021-38160
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: [email protected] (Primary)
References for CVE-2021-38160
-
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
Mailing List;Third Party Advisory
-
https://github.com/torvalds/linux/commit/d00d8da5869a2608e97cfede094dfc5e11462a46
Patch;Third Party Advisory
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https://www.debian.org/security/2021/dsa-4978
Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20210902-0010/
Third Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
Release Notes;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
Third Party Advisory
-
https://access.redhat.com/security/cve/cve-2021-38160
Third Party Advisory
Products affected by CVE-2021-38160
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*