CVE-2024-40921: net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state
In the Linux kernel, the following vulnerability has been resolved:
net: bridge: mst: pass vlan group directly to brmstvlansetstate
Pass the already obtained vlan group pointer to brmstvlansetstate() instead of dereferencing it again. Each caller has already correctly dereferenced it for their context. This change is required for the following suspicious RCU dereference fix. No functional changes intended.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-40921?
CVE-2024-40921 is considered a moderate severity vulnerability in the Linux kernel.
How do I fix CVE-2024-40921?
To mitigate CVE-2024-40921, upgrade to the patched versions of the Linux packages: 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.128-1, 6.12.12-1, 6.12.13-1 or 6.1.119-1~deb11u1.
Which versions of the Linux kernel are affected by CVE-2024-40921?
CVE-2024-40921 affects specific versions of the Linux kernel including those prior to the aforementioned patched versions.
Where can I find more details about CVE-2024-40921?
Detailed information about CVE-2024-40921 can typically be found in the Linux kernel changelog or security advisories.
Is CVE-2024-40921 related to network functionalities in Linux?
Yes, CVE-2024-40921 specifically impacts the network bridge functionality within the Linux kernel.