The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Oct 16, 2023 · NIST NVD

   Detected

   The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.

2. Oct 15, 2026 · NIST NVD

   Updated

   The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.

Affected

• cpe linux/linux kernelversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2023-45898

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2023-45898

  30-day exploitation probability 0.3%

  first.org
• NIST NVDVulnerability recordCVE-2023-45898

  The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.

  nvd.nist.gov

References

• Release Notes · cdn.kernel.org
• Patch · github.com
• Mailing List · lkml.org
• Third Party Advisory · lore.kernel.org
• Mailing List · spinics.net