Log in Start free

Vulnerability · Published Sep 16, 2020 · Assigned by redhat

CVE-2020-14386

Medium 6.7

In plain English

A medium-severity out-of-bounds write in kernel from Linux Kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)1.3%top 29.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.8.7-1DEBIAN-CVE-2020-14386
Debian:13linux5.8.7-1DEBIAN-CVE-2020-14386
Debian:14linux5.8.7-1DEBIAN-CVE-2020-14386
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2020-14386
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2020-14386
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2020-14386
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2020-14386

Affected products (as reported)

VendorProductVersions
Linux Kernel kernel before 5.9-rc4

Weakness: CWE-787, CWE-250 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References