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

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

https://cvefeed.io/rssfeed/latest.atom / Sat, 01/31/2026 - 14:00
CVE ID : CVE-2026-23019
Published : Jan. 31, 2026, 11:39 a.m. | 8 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
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