CVE-2023-3268
HIGHCVSS 7.1/10EPSS 0.47%
Last modified
CVE-2023-3268 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.
Description
An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.22, < 4.19.283 |
| Linux | Linux Kernel | >= 4.20, < 5.4.243 |
| Linux | Linux Kernel | >= 5.5, < 5.10.180 |
| Linux | Linux Kernel | >= 5.11, < 5.15.111 |
| Linux | Linux Kernel | >= 5.16, < 6.1.28 |
| Linux | Linux Kernel | >= 6.2, < 6.2.15 |
| Linux | Linux Kernel | >= 6.3, < 6.3.2 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Debian | Debian Linux | 12.0 |
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2Mailing List, Release Notes
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230824-0006/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5448Third Party Advisory
- https://www.debian.org/security/2023/dsa-5480Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2Mailing List, Release Notes
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230824-0006/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5448Third Party Advisory
- https://www.debian.org/security/2023/dsa-5480Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2023-3268?
An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.
How severe is CVE-2023-3268?
CVE-2023-3268 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.
How do I fix CVE-2023-3268?
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-2023-3268?
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