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CVE-2020-14390

MEDIUMCVSS 5.6/10EPSS 0.34%

Last modified

CVE-2020-14390 is a medium-severity vulnerability rated 5.6/10 on the CVSS scale. 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. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.6/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H

EPSS Probability
0.34%

26.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 2.2.3, < 5.9.0
LinuxLinux Kernel5.9.0
DebianDebian Linux9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-14390?
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.
How severe is CVE-2020-14390?
CVE-2020-14390 has a CVSS score of 5.6/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2020-14390?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14390?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST