Search: CVE-2026-64053

A vulnerability in the Linux kernel block layer was resolved involving improper handling of the bip_vcnt field in bio_integrity_copy_user(). This flaw could cause out-of-bounds reads due to overwriting bip_vcnt, potentially leading to memory corruption. The issue affects multiple specific Linux kernel versions and was fixed in updated releases. The vulnerability has a CVSS score of 7.8, indicating high impact on confidentiality, integrity, and availability. No known exploits are reported in the wild. A patch is available and should be applied to affected systems.