CVE-2023-3111

HighCVSS 7.8/10Last modified Jun 17, 2026

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 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	Kernel	Kernel version prior to Kernel 6.0-rc2

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://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6%40gmail.com/
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://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6%40gmail.com/
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: Jun 5, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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