CVE-2023-23003
MEDIUMCVSS 4/10EPSS 0.27%
Last modified
CVE-2023-23003 is a medium-severity vulnerability rated 4/10 on the CVSS scale. In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.
Metrics
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.16 |
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16Mailing List, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20230331-0003/Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16Mailing List, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20230331-0003/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-23003?
In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.
How severe is CVE-2023-23003?
CVE-2023-23003 has a CVSS score of 4/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2023-23003?
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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Are you affected by CVE-2023-23003?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST