Out-of-bounds read in Linux kernel - CVE-2026-97529
Published: September 28, 2026
Vulnerability identifier: #VU152670
CSH Severity: Low
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97529
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to cause a denial of service.
The vulnerability exists due to an out-of-bounds read in the qla2xxx FC BSG vendor command handling when processing a short FC_BSG_HST_VENDOR request. A local privileged user can submit a short request with a matching vendor ID to trigger an out-of-bounds heap read.
Exploitation requires the CAP_SYS_RAWIO capability.
Affected software
Linux kernel
How to mitigate CVE-2026-97529
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3