CVE-2022-32981

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

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD

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.

Affected (2)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Up to 5.18.3
Linux Linux Kernel	Version 5.19 rc1

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (4)

http://www.openwall.com/lists/oss-security/2022/06/14/3

Source: cve@mitre.org

ExploitMailing ListPatchThird Party Advisory

https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=8e1278444446fc97778a5e5c99bca1ce0bbc5ec9

Source: cve@mitre.org

Mailing ListPatchVendor Advisory

http://www.openwall.com/lists/oss-security/2022/06/14/3

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitMailing ListPatchThird Party Advisory

https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=8e1278444446fc97778a5e5c99bca1ce0bbc5ec9

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListPatchVendor Advisory

Timeline

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