CVE-2021-32078

Name: CVE-2021-32078
Creator: NVD / NIST
Published: 2021-06-17T15:15:07.613+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2021-32078 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An Out-of-Bounds Read was discovered in arch/arm/mach-footbridge/personal-pci.c in the Linux kernel through 5.12.11 because of the lack of a check for a value that shouldn't be negative, e.g., access to element -2 of an array, aka CID-298a58e165e4.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

An Out-of-Bounds Read was discovered in arch/arm/mach-footbridge/personal-pci.c in the Linux kernel through 5.12.11 because of the lack of a check for a value that shouldn't be negative, e.g., access to element -2 of an array, aka CID-298a58e165e4.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

0.55%

41.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 5.12.11

References

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=298a58e165e447ccfaae35fe9f651f9d7e15166fPatch, Third Party Advisory
https://github.com/torvalds/linux/commit/298a58e165e447ccfaae35fe9f651f9d7e15166fPatch, Third Party Advisory
https://kirtikumarar.com/CVE-2021-32078.txtExploit, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210813-0002/Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=298a58e165e447ccfaae35fe9f651f9d7e15166fPatch, Third Party Advisory
https://github.com/torvalds/linux/commit/298a58e165e447ccfaae35fe9f651f9d7e15166fPatch, Third Party Advisory
https://kirtikumarar.com/CVE-2021-32078.txtExploit, Third Party Advisory
https://security.netapp.com/advisory/ntap-20210813-0002/Third Party Advisory

Timeline

Published: Jun 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32078?

How severe is CVE-2021-32078?

CVE-2021-32078 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32078?

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-2021-32078?

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

Scan your code now

Source: NVD / NIST