Log in Start free

Vulnerability · Published Sep 18, 2020 · Assigned by redhat

CVE-2020-14390

Medium 5.6

In plain English

A medium-severity out-of-bounds write in kernel. 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 29% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.6Medium
Exploit odds (30 days)0.4%top 71.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.8.10-1DEBIAN-CVE-2020-14390
Debian:13linux5.8.10-1DEBIAN-CVE-2020-14390
Debian:14linux5.8.10-1DEBIAN-CVE-2020-14390
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2020-14390
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2020-14390
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2020-14390

Affected products (as reported)

VendorProductVersions
n/a kernel Linux kernel versions before 5.9-rc6

Weakness: CWE-787

References