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().
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Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2023-06-05. NVD baseline CVSS 7.8; sources differ by 0.0.
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().
June 5, 2023
April 23, 2025
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-lowlatency (4.4.0.242.248) @ xenial | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual-hwe-18.04-edge (5.4.0.156.173~18.04.126) @ bionic | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual-hwe-16.04-edge (4.15.0.214.199) @ xenial | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-gke-5.4 (5.4.0.1105.110) @ focal | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-azure-edge (5.4.0.1113.86) @ bionic | 2026-05-24 | ubuntu |
| ubuntu | linux-virtual-hwe-18.04-edge (5.4.0.156.152) @ focal | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-ibm-lts-20.04 (5.4.0.1054.83) @ focal | 2026-05-24 | ubuntu |
| ubuntu | linux-tools-azure-lts-20.04 (5.4.0.1114.107) @ focal | 2026-05-24 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
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().
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel vulnerabilities
Linux kernel (Azure) vulnerabilities
Linux kernel (Azure) vulnerabilities
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Explore the affected products and dependency analysis for CVE-2023-3111
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ubuntu · msrc
CWE-416