CVE-2022-32981
HIGHCVSS 7.8/10EPSS 0.96%
Last modified
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 0.96% 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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 3.13, < 4.9.318 | — |
| Linux | Linux Kernel | >= 4.10, < 4.14.283 | — |
| Linux | Linux Kernel | >= 4.15, < 4.19.247 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.198 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.122 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.47 | — |
| Linux | Linux Kernel | >= 5.16.0, < 5.17.15 | — |
| Linux | Linux Kernel | >= 5.18, < 5.18.4 | — |
| Linux | Linux Kernel | 5.19 | Rc1 |
References
- https://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
- https://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
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2022-32981?
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.
How severe is CVE-2022-32981?
CVE-2022-32981 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.96% 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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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