CVE-2023-3111

Advisory lineage Upstream: 0 Downstream: 35
Modified
Published: 05 Jun 2023, 00:00
Last modified:23 Apr 2025, 16:21

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (cve.org)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Jun 2023, 00:00
Published
Vulnerability first disclosed
23 Apr 2025, 16:21
Last Modified
Vulnerability information updated

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().

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 3%

Techniques & Countermeasures

  • CWE-416•Use After Free

    The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Affected Systems

  • debian•debian_linux

    10.0 | 11.0

  • linux•linux_kernel

    ≥ 2.6.31, < 4.14.318 | ≥ 4.15, < 4.19.286 | ≥ 4.20, < 5.4.247 | ≥ 5.5, < 5.10.184 | ≥ 5.11, < 5.15.63 | ≥ 5.16, < 5.19.4

  • netapp•h300s_firmware

    na

  • netapp•h410c_firmware

    na

  • netapp•h410s_firmware

    na

  • netapp•h500s_firmware

    na

  • netapp•h700s_firmware

    na

References (5)