CVE-2022-32981: Linux Kernel

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

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 products

  • Linux Linux Kernel: from 3.13, before 4.9.318 (fixed in 4.9.318); from 4.10, before 4.14.283 (fixed in 4.14.283); from 4.15, before 4.19.247 (fixed in 4.19.247); from 4.20, before 5.4.198 (fixed in 5.4.198); from 5.5, before 5.10.122 (fixed in 5.10.122); from 5.11, before 5.15.47 (fixed in 5.15.47); …

Published 2022-06-10. Last modified 2026-08-26.