CVE-2022-50512

ext4: fix potential memory leak in ext4_fc_record_regions()

State
Published
Severity
Not scored
Published
Oct 7, 2025
Updated
May 11, 2026
Reserved
Oct 7, 2025

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 to before 2cfb769d60a2a57eb3566765428b6131cd16dcfeAffected
  • 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 to before 417b0455a0b6d0f60a2930592731d1f8340e24beAffected
  • 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 to before a4058b869e6c5e517c79e30532a350d0f3115c3eAffected
  • 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 to before 518566e71ad86b7c2f1bf6d9caee9588bb7ac158Affected
  • 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 to before 7069d105c1f15c442b68af43f7fde784f3126739Affected
LinuxLinux
  • 5.10Affected
  • before 5.10Not affected
  • 5.10.150 through 5.10.*Not affected
  • 5.15.75 through 5.15.*Not affected
  • 5.19.17 through 5.19.*Not affected
  • 6.0.3 through 6.0.*Not affected
  • 6.1 and laterNot affected

References

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