UBUNTU-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().
02 / AFFECTED SOFTWARE
Affected packages
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61 explicit affected versions
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50 explicit affected versions
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33 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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().
05 / REFERENCES
Further evidence
- https://patchwork.kernel.org/project/linux-btrfs/patch/[email protected]/
- https://ubuntu.com/security/CVE-2023-3111
- https://ubuntu.com/security/notices/USN-6221-1
- https://ubuntu.com/security/notices/USN-6252-1
- https://ubuntu.com/security/notices/USN-6284-1
- https://ubuntu.com/security/notices/USN-6301-1
- https://ubuntu.com/security/notices/USN-6312-1
- https://ubuntu.com/security/notices/USN-6314-1
- https://ubuntu.com/security/notices/USN-6331-1
- https://ubuntu.com/security/notices/USN-6337-1
- https://www.cve.org/CVERecord?id=CVE-2023-3111