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Vulnerability · Published Aug 7, 2021 · Assigned by mitre

CVE-2021-38160

High 7.8

In plain English

A high-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.4%top 64.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.14.6-1DEBIAN-CVE-2021-38160
Debian:13linux5.14.6-1DEBIAN-CVE-2021-38160
Debian:14linux5.14.6-1DEBIAN-CVE-2021-38160
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-38160
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-38160
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-38160

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References