CVE-2023-3111
HIGHCVSS 7.8/10EPSS 0.44%
Last modified
CVE-2023-3111 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
Description
A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.31, < 4.14.318 |
| Linux | Linux Kernel | >= 4.15, < 4.19.286 |
| Linux | Linux Kernel | >= 4.20, < 5.4.247 |
| Linux | Linux Kernel | >= 5.5, < 5.10.184 |
| Linux | Linux Kernel | >= 5.11, < 5.15.63 |
| Linux | Linux Kernel | >= 5.16, < 5.19.4 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Netapp | H300s Firmware | All versions |
| Netapp | H410c Firmware | All versions |
| Netapp | H410s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
References
- 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-20230703-0007/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5480Third Party Advisory, VDB Entry
- 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-20230703-0007/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5480Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-3111?
A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().
How severe is CVE-2023-3111?
CVE-2023-3111 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2023-3111?
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-2023-3111?
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Scan your code nowSource: NVD / NIST