CVE-2023-3111

Name: CVE-2023-3111
Creator: NVD / NIST
Published: 2023-06-05T21:15:11.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.44%

Last modified Jun 17, 2026

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

7.8/10

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

EPSS Probability

0.44%

35.3th percentile

Probability of exploitation in the next 30 days. Learn more

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://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
Status: Modified

Frequently Asked Questions

What is CVE-2023-3111?

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.

Are you affected by CVE-2023-3111?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST