CVE-2022-50512

MEDIUM EPSS 3.9%
Published Oct 7, 20258mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 7, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential memory leak in ext4_fc_record_regions() As krealloc may return NULL, in this case 'state->fc_regions' may not be freed by krealloc, but 'state->fc_regions' already set NULL. Then will lead to 'state->fc_regions' memory leak.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
3.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥5.10  –  <5.10.150
linuxlinux_kernel*≥5.11  –  <5.15.75
linuxlinux_kernel*≥5.16  –  <5.19.17
linuxlinux_kernel*≥6.0  –  <6.0.3

References 5

  • git.kernel.org https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/417b0455a0b6d0f60a2930592731d1f8340e24be
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2cfb769d60a2a57eb3566765428b6131cd16dcfe
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/417b0455a0b6d0f60a2930592731d1f8340e24be
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/518566e71ad86b7c2f1bf6d9caee9588bb7ac158
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7069d105c1f15c442b68af43f7fde784f3126739
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a4058b869e6c5e517c79e30532a350d0f3115c3e
    Patch