CVE-2026-23019 - net: marvell: prestera: fix NULL dereference on devlink_alloc() failure

CVE ID : CVE-2026-23019 Published : Jan. 31, 2026, 12:16 p.m. | 29 minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix NULL dereference on devlink_alloc() failure devlink_alloc() may return NULL on allocation failure, but prestera_devlink_alloc() unconditionally calls devlink_priv() on the returned pointer. This leads to a NULL pointer dereference if devlink allocation fails. Add a check for a NULL devlink pointer and return NULL early to avoid the crash. Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...