CVE-2024-39502

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ionic: fix use after netif_napi_del() When queues are started, netif_napi_add() and napi_enable() are called. If there are 4 queues and only 3 queues are used for the current configuration, only 3 queues' napi should be registered and enabled. The ionic_qcq_enable() checks whether the .poll pointer is not NULL for enabling only the using queue' napi. Unused queues' napi will not be registered by netif_napi_add(), so the .poll pointer indicates NULL. But it couldn't distinguish whether the napi was unregistered or not becaus...

Affected product and versions

Product

Linux Linux, RUGGEDCOM RST2428P, SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family

Affected versions

>= 0f3154e6bcb354968cc04f7cd86ce466f7b9a814 < 0d19267cb150e8f76ade210e16ee820a77f684e7, >= 0f3154e6bcb354968cc04f7cd86ce466f7b9a814 < ff9c2a9426ecf5b9631e9fd74993b357262387d6, >= 0f3154e6bcb354968cc04f7cd86ce466f7b9a814 < 8edd18dab443863e9e48f084e7f123fca3065e4e, >= 0f3154e6bcb354968cc04f7cd86ce466f7b9a814 < 60cd714871cd5a683353a355cbb17a685245cf84, >= 0f3154e6bcb354968cc04f7cd86ce466f7b9a814 < 183ebc167a8a19e916b885d4bb61a3491991bfa5, >= 0f3154e6bcb354968cc04f7cd86ce466f7b9a814 < a87d72b37b9ec2c1e18fe36b09241d8b30334a2e, >= 0f3154e6bcb354968cc04f7cd86ce466f7b9a814 < 79f18a41dd056115d685f3b0a419c7cd40055e13, >= 5.4, < V3.1, >= 5.4 < 5.4.279, >= 5.5 < 5.10.221, >= 5.11 < 5.15.162, >= 5.16 < 6.1.95, >= 6.2 < 6.6.35, >= 6.7 < 6.9.6, 6.10

Fixed versions

5.4.279, 5.10.221, 5.15.162, 6.1.95, 6.6.35, 6.9.6

Technical data

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416