NULL pointer dereference in Linux kernel - CVE-2026-97506
Published: September 24, 2026
Vulnerability identifier: #VU151979
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97506
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger a null-pointer dereference.
The vulnerability exists due to improper handling of an allocation failure in chainup_buffers() in the ixp4xx crypto driver when constructing a buffer descriptor chain for a scatterlist. A local user can submit a crypto request that encounters an allocation failure to trigger a null-pointer dereference.
Affected software
Linux kernel
How to mitigate CVE-2026-97506
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3