Type Confusion in Linux kernel - CVE-2026-97530
Published: September 28, 2026
Vulnerability identifier: #VU152671
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97530
CWE-ID: CWE-843
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper interpretation of continuation IOCB payload data in the qla2xxx driver's qla27xx_copy_multiple_pkt() and qla27xx_copy_fpin_pkt() functions when processing a crafted Fibre Channel frame. A remote attacker can send a frame with payload bytes matching the RESPONSE_PROCESSED value to cause a denial of service.
The affected processing occurs in interrupt/DPC context.
Affected software
Linux kernel
How to mitigate CVE-2026-97530
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3