CVE-2022-32981

Name: CVE-2022-32981
Creator: NVD / NIST
Published: 2022-06-10T20:15:08.55+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2022-32981 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating point registers.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating point registers.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.95%

56.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	<= 5.18.3	—
Linux	Linux Kernel	5.19	Rc1

References

http://www.openwall.com/lists/oss-security/2022/06/14/3Exploit, Mailing List, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=8e1278444446fc97778a5e5c99bca1ce0bbc5ec9Mailing List, Patch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2022/06/14/3Exploit, Mailing List, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=8e1278444446fc97778a5e5c99bca1ce0bbc5ec9Mailing List, Patch, Vendor Advisory

Timeline

Published: Jun 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-32981?

How severe is CVE-2022-32981?

CVE-2022-32981 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2022-32981?

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-2022-32981?

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

Scan your code now

Source: NVD / NIST